./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/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 9c94245f83a700fdfe2d62d007b32e9e3ae1452d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:51:26,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:51:26,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:51:26,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:51:26,022 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:51:26,023 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:51:26,024 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:51:26,025 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:51:26,026 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:51:26,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:51:26,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:51:26,028 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:51:26,029 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:51:26,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:51:26,030 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:51:26,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:51:26,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:51:26,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:51:26,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:51:26,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:51:26,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:51:26,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:51:26,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:51:26,040 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:51:26,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:51:26,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:51:26,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:51:26,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:51:26,042 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:51:26,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:51:26,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:51:26,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:51:26,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:51:26,044 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:51:26,045 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:51:26,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:51:26,046 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:51:26,056 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:51:26,056 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:51:26,057 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:51:26,057 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:51:26,057 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:51:26,057 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:51:26,057 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:51:26,057 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:51:26,058 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:51:26,058 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:51:26,058 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:51:26,058 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:51:26,058 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:51:26,059 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:51:26,059 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:51:26,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:51:26,060 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:51:26,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:51:26,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:51:26,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:51:26,062 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_ee32fda3-2ab9-4b67-b178-cf1644a01056/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 -> 9c94245f83a700fdfe2d62d007b32e9e3ae1452d [2018-11-23 03:51:26,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:51:26,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:51:26,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:51:26,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:51:26,098 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:51:26,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-11-23 03:51:26,150 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/data/dcb99b3cc/a2fc126becc54809b1b5bb28c259754c/FLAGe7f8c7db3 [2018-11-23 03:51:26,607 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:51:26,608 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-11-23 03:51:26,623 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/data/dcb99b3cc/a2fc126becc54809b1b5bb28c259754c/FLAGe7f8c7db3 [2018-11-23 03:51:26,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/data/dcb99b3cc/a2fc126becc54809b1b5bb28c259754c [2018-11-23 03:51:26,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:51:26,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:51:26,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:51:26,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:51:26,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:51:26,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:26" (1/1) ... [2018-11-23 03:51:26,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e21522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:26, skipping insertion in model container [2018-11-23 03:51:26,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:26" (1/1) ... [2018-11-23 03:51:26,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:51:26,728 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:51:27,177 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:51:27,181 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:51:27,330 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:51:27,342 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:51:27,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27 WrapperNode [2018-11-23 03:51:27,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:51:27,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:51:27,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:51:27,343 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:51:27,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:51:27,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:51:27,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:51:27,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:51:27,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... [2018-11-23 03:51:27,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:51:27,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:51:27,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:51:27,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:51:27,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:51:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:51:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:51:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:51:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 03:51:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 03:51:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:51:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:51:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:51:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:51:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:51:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:51:29,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:51:29,211 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:51:29,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:29 BoogieIcfgContainer [2018-11-23 03:51:29,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:51:29,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:51:29,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:51:29,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:51:29,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:26" (1/3) ... [2018-11-23 03:51:29,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578433e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:29, skipping insertion in model container [2018-11-23 03:51:29,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:27" (2/3) ... [2018-11-23 03:51:29,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578433e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:29, skipping insertion in model container [2018-11-23 03:51:29,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:29" (3/3) ... [2018-11-23 03:51:29,218 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label07_true-unreach-call.c [2018-11-23 03:51:29,225 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:51:29,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:51:29,265 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:51:29,293 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:51:29,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:51:29,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:51:29,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:51:29,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:51:29,294 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:51:29,294 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:51:29,295 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:51:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 03:51:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 03:51:29,325 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:51:29,326 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] [2018-11-23 03:51:29,328 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:51:29,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:29,333 INFO L82 PathProgramCache]: Analyzing trace with hash -586545963, now seen corresponding path program 1 times [2018-11-23 03:51:29,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:51:29,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:29,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:29,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:29,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:51:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:29,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:51:29,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:51:29,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:51:29,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:51:29,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:51:29,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:51:29,645 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 03:51:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:31,035 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 03:51:31,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:51:31,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 03:51:31,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:51:31,056 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 03:51:31,056 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 03:51:31,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:51:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 03:51:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 03:51:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 03:51:31,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1315 transitions. [2018-11-23 03:51:31,142 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1315 transitions. Word has length 60 [2018-11-23 03:51:31,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:51:31,143 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1315 transitions. [2018-11-23 03:51:31,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:51:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1315 transitions. [2018-11-23 03:51:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 03:51:31,149 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:51:31,149 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] [2018-11-23 03:51:31,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:51:31,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:31,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1735550147, now seen corresponding path program 1 times [2018-11-23 03:51:31,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:51:31,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:31,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:31,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:31,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:51:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:31,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:51:31,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:51:31,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:51:31,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:51:31,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:51:31,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:51:31,315 INFO L87 Difference]: Start difference. First operand 742 states and 1315 transitions. Second operand 6 states. [2018-11-23 03:51:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:36,931 INFO L93 Difference]: Finished difference Result 2941 states and 5474 transitions. [2018-11-23 03:51:36,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 03:51:36,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-23 03:51:36,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:51:36,945 INFO L225 Difference]: With dead ends: 2941 [2018-11-23 03:51:36,946 INFO L226 Difference]: Without dead ends: 2205 [2018-11-23 03:51:36,952 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 [2018-11-23 03:51:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2018-11-23 03:51:37,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 2162. [2018-11-23 03:51:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2162 states. [2018-11-23 03:51:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3662 transitions. [2018-11-23 03:51:37,015 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3662 transitions. Word has length 135 [2018-11-23 03:51:37,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:51:37,015 INFO L480 AbstractCegarLoop]: Abstraction has 2162 states and 3662 transitions. [2018-11-23 03:51:37,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:51:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3662 transitions. [2018-11-23 03:51:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 03:51:37,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:51:37,019 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] [2018-11-23 03:51:37,020 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:51:37,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:37,020 INFO L82 PathProgramCache]: Analyzing trace with hash -98267403, now seen corresponding path program 1 times [2018-11-23 03:51:37,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:51:37,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:37,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:37,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:37,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:51:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:37,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:51:37,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:51:37,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:51:37,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:51:37,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:51:37,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:51:37,145 INFO L87 Difference]: Start difference. First operand 2162 states and 3662 transitions. Second operand 6 states. [2018-11-23 03:51:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:39,182 INFO L93 Difference]: Finished difference Result 8005 states and 14187 transitions. [2018-11-23 03:51:39,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:51:39,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 03:51:39,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:51:39,215 INFO L225 Difference]: With dead ends: 8005 [2018-11-23 03:51:39,215 INFO L226 Difference]: Without dead ends: 5849 [2018-11-23 03:51:39,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:51:39,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5849 states. [2018-11-23 03:51:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5849 to 5799. [2018-11-23 03:51:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5799 states. [2018-11-23 03:51:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5799 states to 5799 states and 8912 transitions. [2018-11-23 03:51:39,353 INFO L78 Accepts]: Start accepts. Automaton has 5799 states and 8912 transitions. Word has length 139 [2018-11-23 03:51:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:51:39,353 INFO L480 AbstractCegarLoop]: Abstraction has 5799 states and 8912 transitions. [2018-11-23 03:51:39,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:51:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5799 states and 8912 transitions. [2018-11-23 03:51:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 03:51:39,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:51:39,357 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] [2018-11-23 03:51:39,357 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:51:39,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:39,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1876426643, now seen corresponding path program 1 times [2018-11-23 03:51:39,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:51:39,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:39,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:39,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:39,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:51:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:51:39,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:51:39,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:51:39,472 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:51:39,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:51:39,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:51:39,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:51:39,472 INFO L87 Difference]: Start difference. First operand 5799 states and 8912 transitions. Second operand 6 states. [2018-11-23 03:51:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:51:40,969 INFO L93 Difference]: Finished difference Result 13465 states and 21951 transitions. [2018-11-23 03:51:40,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:51:40,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2018-11-23 03:51:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:51:40,995 INFO L225 Difference]: With dead ends: 13465 [2018-11-23 03:51:40,995 INFO L226 Difference]: Without dead ends: 7672 [2018-11-23 03:51:41,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:51:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7672 states. [2018-11-23 03:51:41,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7672 to 7613. [2018-11-23 03:51:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7613 states. [2018-11-23 03:51:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 11460 transitions. [2018-11-23 03:51:41,148 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 11460 transitions. Word has length 175 [2018-11-23 03:51:41,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:51:41,148 INFO L480 AbstractCegarLoop]: Abstraction has 7613 states and 11460 transitions. [2018-11-23 03:51:41,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:51:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 11460 transitions. [2018-11-23 03:51:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 03:51:41,155 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:51:41,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:51:41,156 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:51:41,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:41,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1318797007, now seen corresponding path program 1 times [2018-11-23 03:51:41,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:51:41,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:41,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:51:41,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:51:41,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:51:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:51:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 106 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:51:41,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:51:41,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:51:41,347 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-23 03:51:41,348 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:51:41,386 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:51:41,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:51:41,664 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:51:41,665 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 734 root evaluator evaluations with a maximum evaluation depth of 8. Performed 734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 03:51:41,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:51:41,694 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:51:41,974 INFO L227 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 78.17% of their original sizes. [2018-11-23 03:51:41,975 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:51:42,010 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-23 03:51:42,010 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:51:42,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:51:42,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 03:51:42,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:51:42,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:51:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:51:42,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:51:42,012 INFO L87 Difference]: Start difference. First operand 7613 states and 11460 transitions. Second operand 6 states. [2018-11-23 03:52:03,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:52:03,089 INFO L93 Difference]: Finished difference Result 15558 states and 23405 transitions. [2018-11-23 03:52:03,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:52:03,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-11-23 03:52:03,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:52:03,113 INFO L225 Difference]: With dead ends: 15558 [2018-11-23 03:52:03,114 INFO L226 Difference]: Without dead ends: 7951 [2018-11-23 03:52:03,128 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 224 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:52:03,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7951 states. [2018-11-23 03:52:03,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7951 to 7950. [2018-11-23 03:52:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7950 states. [2018-11-23 03:52:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7950 states to 7950 states and 11806 transitions. [2018-11-23 03:52:03,252 INFO L78 Accepts]: Start accepts. Automaton has 7950 states and 11806 transitions. Word has length 224 [2018-11-23 03:52:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:52:03,252 INFO L480 AbstractCegarLoop]: Abstraction has 7950 states and 11806 transitions. [2018-11-23 03:52:03,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:52:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states and 11806 transitions. [2018-11-23 03:52:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 03:52:03,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:52:03,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:52:03,257 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:52:03,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:52:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash 396142693, now seen corresponding path program 1 times [2018-11-23 03:52:03,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:52:03,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:52:03,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:52:03,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:52:03,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:52:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:52:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 107 proven. 14 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 03:52:03,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:52:03,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:52:03,382 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-23 03:52:03,383 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:52:03,386 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:52:03,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:52:03,522 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:52:03,522 INFO L272 AbstractInterpreter]: Visited 99 different actions 284 times. Merged at 4 different actions 7 times. Never widened. Performed 2587 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 03:52:03,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:52:03,530 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:52:03,745 INFO L227 lantSequenceWeakener]: Weakened 231 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-23 03:52:03,745 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:52:03,811 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-11-23 03:52:03,811 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:52:03,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:52:03,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:52:03,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:52:03,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:52:03,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:52:03,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:52:03,812 INFO L87 Difference]: Start difference. First operand 7950 states and 11806 transitions. Second operand 10 states. [2018-11-23 03:53:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:53:22,239 INFO L93 Difference]: Finished difference Result 20048 states and 31332 transitions. [2018-11-23 03:53:22,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:53:22,239 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 234 [2018-11-23 03:53:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:53:22,297 INFO L225 Difference]: With dead ends: 20048 [2018-11-23 03:53:22,297 INFO L226 Difference]: Without dead ends: 12413 [2018-11-23 03:53:22,346 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 03:53:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12413 states. [2018-11-23 03:53:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12413 to 12343. [2018-11-23 03:53:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12343 states. [2018-11-23 03:53:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12343 states to 12343 states and 16762 transitions. [2018-11-23 03:53:22,615 INFO L78 Accepts]: Start accepts. Automaton has 12343 states and 16762 transitions. Word has length 234 [2018-11-23 03:53:22,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:53:22,616 INFO L480 AbstractCegarLoop]: Abstraction has 12343 states and 16762 transitions. [2018-11-23 03:53:22,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:53:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12343 states and 16762 transitions. [2018-11-23 03:53:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-11-23 03:53:22,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:53:22,634 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, 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] [2018-11-23 03:53:22,634 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:53:22,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:53:22,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1357705233, now seen corresponding path program 1 times [2018-11-23 03:53:22,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:53:22,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:53:22,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:53:22,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:53:22,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:53:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:53:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 242 proven. 81 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 03:53:22,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:53:22,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:53:22,931 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 464 with the following transitions: [2018-11-23 03:53:22,931 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:53:22,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:53:22,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:53:23,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:53:23,096 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5205 root evaluator evaluations with a maximum evaluation depth of 8. Performed 5205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 03:53:23,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:53:23,102 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:53:23,445 INFO L227 lantSequenceWeakener]: Weakened 460 states. On average, predicates are now at 77.73% of their original sizes. [2018-11-23 03:53:23,445 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:53:23,541 INFO L415 sIntCurrentIteration]: We unified 462 AI predicates to 462 [2018-11-23 03:53:23,542 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:53:23,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:53:23,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:53:23,542 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:53:23,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:53:23,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:53:23,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:53:23,543 INFO L87 Difference]: Start difference. First operand 12343 states and 16762 transitions. Second operand 10 states. [2018-11-23 03:54:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:54:42,351 INFO L93 Difference]: Finished difference Result 24684 states and 33677 transitions. [2018-11-23 03:54:42,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 03:54:42,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 463 [2018-11-23 03:54:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:54:42,387 INFO L225 Difference]: With dead ends: 24684 [2018-11-23 03:54:42,387 INFO L226 Difference]: Without dead ends: 12684 [2018-11-23 03:54:42,410 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 470 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:54:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12684 states. [2018-11-23 03:54:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12684 to 12682. [2018-11-23 03:54:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12682 states. [2018-11-23 03:54:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12682 states to 12682 states and 17119 transitions. [2018-11-23 03:54:42,586 INFO L78 Accepts]: Start accepts. Automaton has 12682 states and 17119 transitions. Word has length 463 [2018-11-23 03:54:42,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:54:42,587 INFO L480 AbstractCegarLoop]: Abstraction has 12682 states and 17119 transitions. [2018-11-23 03:54:42,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:54:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12682 states and 17119 transitions. [2018-11-23 03:54:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-11-23 03:54:42,605 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:54:42,605 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, 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] [2018-11-23 03:54:42,605 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:54:42,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:42,606 INFO L82 PathProgramCache]: Analyzing trace with hash -2073496119, now seen corresponding path program 1 times [2018-11-23 03:54:42,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:54:42,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:42,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:42,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:42,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:54:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-11-23 03:54:43,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:43,372 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:54:43,373 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-11-23 03:54:43,373 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:54:43,377 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:54:43,377 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:54:43,704 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:54:43,705 INFO L272 AbstractInterpreter]: Visited 250 different actions 992 times. Merged at 6 different actions 25 times. Never widened. Performed 11811 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 03:54:43,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:43,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:54:43,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:43,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:54:43,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:43,714 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:54:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:43,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:54:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 521 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-23 03:54:44,062 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:54:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 309 proven. 162 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-11-23 03:54:44,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:54:44,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 03:54:44,374 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:54:44,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:54:44,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:54:44,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:54:44,378 INFO L87 Difference]: Start difference. First operand 12682 states and 17119 transitions. Second operand 15 states. [2018-11-23 03:54:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:54:49,915 INFO L93 Difference]: Finished difference Result 28496 states and 39151 transitions. [2018-11-23 03:54:49,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 03:54:49,915 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 554 [2018-11-23 03:54:49,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:54:49,949 INFO L225 Difference]: With dead ends: 28496 [2018-11-23 03:54:49,949 INFO L226 Difference]: Without dead ends: 13257 [2018-11-23 03:54:49,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1192 GetRequests, 1136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=2576, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 03:54:50,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13257 states. [2018-11-23 03:54:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13257 to 12725. [2018-11-23 03:54:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12725 states. [2018-11-23 03:54:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 14934 transitions. [2018-11-23 03:54:50,219 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 14934 transitions. Word has length 554 [2018-11-23 03:54:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:54:50,220 INFO L480 AbstractCegarLoop]: Abstraction has 12725 states and 14934 transitions. [2018-11-23 03:54:50,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:54:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 14934 transitions. [2018-11-23 03:54:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2018-11-23 03:54:50,248 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:54:50,248 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:54:50,248 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:54:50,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:50,249 INFO L82 PathProgramCache]: Analyzing trace with hash 685204324, now seen corresponding path program 1 times [2018-11-23 03:54:50,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:54:50,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:50,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:50,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:50,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:54:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 451 proven. 307 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 03:54:50,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:50,978 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:54:50,978 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 652 with the following transitions: [2018-11-23 03:54:50,979 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:54:50,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:54:50,983 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:54:51,495 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:54:51,495 INFO L272 AbstractInterpreter]: Visited 258 different actions 1285 times. Merged at 8 different actions 38 times. Widened at 1 different actions 1 times. Performed 15676 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15676 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 03:54:51,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:51,506 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:54:51,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:51,506 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:54:51,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:51,512 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:54:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:51,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:54:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-11-23 03:54:51,804 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:54:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 546 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2018-11-23 03:54:52,183 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:54:52,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 03:54:52,183 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:54:52,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:54:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:54:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:54:52,185 INFO L87 Difference]: Start difference. First operand 12725 states and 14934 transitions. Second operand 15 states. [2018-11-23 03:54:57,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:54:57,815 INFO L93 Difference]: Finished difference Result 37662 states and 46617 transitions. [2018-11-23 03:54:57,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 03:54:57,816 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 651 [2018-11-23 03:54:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:54:57,872 INFO L225 Difference]: With dead ends: 37662 [2018-11-23 03:54:57,872 INFO L226 Difference]: Without dead ends: 25619 [2018-11-23 03:54:57,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1338 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=741, Invalid=3041, Unknown=0, NotChecked=0, Total=3782 [2018-11-23 03:54:57,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25619 states. [2018-11-23 03:54:58,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25619 to 25115. [2018-11-23 03:54:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25115 states. [2018-11-23 03:54:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25115 states to 25115 states and 28689 transitions. [2018-11-23 03:54:58,294 INFO L78 Accepts]: Start accepts. Automaton has 25115 states and 28689 transitions. Word has length 651 [2018-11-23 03:54:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:54:58,294 INFO L480 AbstractCegarLoop]: Abstraction has 25115 states and 28689 transitions. [2018-11-23 03:54:58,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:54:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 25115 states and 28689 transitions. [2018-11-23 03:54:58,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2018-11-23 03:54:58,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:54:58,327 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:54:58,327 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:54:58,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:58,327 INFO L82 PathProgramCache]: Analyzing trace with hash -2093574483, now seen corresponding path program 1 times [2018-11-23 03:54:58,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:54:58,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:58,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:58,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:58,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:54:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 442 proven. 513 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-23 03:54:59,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:59,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:54:59,018 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 816 with the following transitions: [2018-11-23 03:54:59,018 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:54:59,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:54:59,022 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:54:59,498 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:54:59,498 INFO L272 AbstractInterpreter]: Visited 251 different actions 749 times. Merged at 7 different actions 18 times. Never widened. Performed 8436 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8436 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 03:54:59,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:59,499 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:54:59,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:54:59,500 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:54:59,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:59,506 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:54:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:59,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:54:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 788 proven. 2 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2018-11-23 03:54:59,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 524 proven. 81 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-11-23 03:55:00,115 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:00,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-23 03:55:00,116 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:00,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 03:55:00,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 03:55:00,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:55:00,117 INFO L87 Difference]: Start difference. First operand 25115 states and 28689 transitions. Second operand 11 states. [2018-11-23 03:55:03,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:03,219 INFO L93 Difference]: Finished difference Result 51973 states and 60114 transitions. [2018-11-23 03:55:03,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:55:03,219 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 815 [2018-11-23 03:55:03,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:03,274 INFO L225 Difference]: With dead ends: 51973 [2018-11-23 03:55:03,274 INFO L226 Difference]: Without dead ends: 27582 [2018-11-23 03:55:03,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1668 GetRequests, 1638 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:55:03,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27582 states. [2018-11-23 03:55:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27582 to 25851. [2018-11-23 03:55:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25851 states. [2018-11-23 03:55:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25851 states to 25851 states and 28123 transitions. [2018-11-23 03:55:03,646 INFO L78 Accepts]: Start accepts. Automaton has 25851 states and 28123 transitions. Word has length 815 [2018-11-23 03:55:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:03,647 INFO L480 AbstractCegarLoop]: Abstraction has 25851 states and 28123 transitions. [2018-11-23 03:55:03,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 03:55:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 25851 states and 28123 transitions. [2018-11-23 03:55:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-11-23 03:55:03,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:03,668 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:55:03,668 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:03,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:03,669 INFO L82 PathProgramCache]: Analyzing trace with hash 418830997, now seen corresponding path program 1 times [2018-11-23 03:55:03,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:03,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:03,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:03,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:03,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-11-23 03:55:04,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:04,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:04,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 836 with the following transitions: [2018-11-23 03:55:04,327 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:04,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:04,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:04,769 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:04,769 INFO L272 AbstractInterpreter]: Visited 251 different actions 1007 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 11857 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11857 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 03:55:04,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:04,774 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:04,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:04,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:04,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:04,780 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:04,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-11-23 03:55:05,087 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 686 proven. 2 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2018-11-23 03:55:05,366 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:05,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:55:05,366 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:05,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:55:05,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:55:05,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:55:05,367 INFO L87 Difference]: Start difference. First operand 25851 states and 28123 transitions. Second operand 9 states. [2018-11-23 03:55:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:07,228 INFO L93 Difference]: Finished difference Result 52994 states and 58254 transitions. [2018-11-23 03:55:07,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 03:55:07,228 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 835 [2018-11-23 03:55:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:07,276 INFO L225 Difference]: With dead ends: 52994 [2018-11-23 03:55:07,276 INFO L226 Difference]: Without dead ends: 28880 [2018-11-23 03:55:07,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1687 GetRequests, 1671 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:55:07,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28880 states. [2018-11-23 03:55:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28880 to 28770. [2018-11-23 03:55:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28770 states. [2018-11-23 03:55:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28770 states to 28770 states and 31090 transitions. [2018-11-23 03:55:07,626 INFO L78 Accepts]: Start accepts. Automaton has 28770 states and 31090 transitions. Word has length 835 [2018-11-23 03:55:07,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:07,627 INFO L480 AbstractCegarLoop]: Abstraction has 28770 states and 31090 transitions. [2018-11-23 03:55:07,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:55:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28770 states and 31090 transitions. [2018-11-23 03:55:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-11-23 03:55:07,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:07,640 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:55:07,640 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:07,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash 403872498, now seen corresponding path program 1 times [2018-11-23 03:55:07,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:07,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:07,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:07,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:07,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 270 proven. 538 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-11-23 03:55:08,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:08,395 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:08,396 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 837 with the following transitions: [2018-11-23 03:55:08,396 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:08,398 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:08,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:08,898 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:08,898 INFO L272 AbstractInterpreter]: Visited 251 different actions 1012 times. Merged at 9 different actions 40 times. Widened at 1 different actions 1 times. Performed 11834 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 03:55:08,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:08,906 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:08,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:08,906 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:08,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:08,912 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:09,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:09,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-23 03:55:09,209 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-23 03:55:09,445 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:55:09,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 03:55:09,445 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:55:09,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:55:09,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:55:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:55:09,446 INFO L87 Difference]: Start difference. First operand 28770 states and 31090 transitions. Second operand 3 states. [2018-11-23 03:55:10,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:10,341 INFO L93 Difference]: Finished difference Result 58598 states and 63871 transitions. [2018-11-23 03:55:10,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:55:10,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 836 [2018-11-23 03:55:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:10,384 INFO L225 Difference]: With dead ends: 58598 [2018-11-23 03:55:10,384 INFO L226 Difference]: Without dead ends: 31565 [2018-11-23 03:55:10,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1682 GetRequests, 1672 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:55:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31565 states. [2018-11-23 03:55:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31565 to 31243. [2018-11-23 03:55:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31243 states. [2018-11-23 03:55:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31243 states to 31243 states and 33487 transitions. [2018-11-23 03:55:10,718 INFO L78 Accepts]: Start accepts. Automaton has 31243 states and 33487 transitions. Word has length 836 [2018-11-23 03:55:10,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:10,719 INFO L480 AbstractCegarLoop]: Abstraction has 31243 states and 33487 transitions. [2018-11-23 03:55:10,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:55:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 31243 states and 33487 transitions. [2018-11-23 03:55:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2018-11-23 03:55:10,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:10,742 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 03:55:10,742 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:10,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:10,743 INFO L82 PathProgramCache]: Analyzing trace with hash -2084138431, now seen corresponding path program 1 times [2018-11-23 03:55:10,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:10,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:10,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:10,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:10,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 215 proven. 6 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2018-11-23 03:55:11,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:11,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:11,389 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 991 with the following transitions: [2018-11-23 03:55:11,389 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:11,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:11,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:11,951 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:11,951 INFO L272 AbstractInterpreter]: Visited 313 different actions 1246 times. Merged at 7 different actions 26 times. Never widened. Performed 15048 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 03:55:11,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:11,962 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:11,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:11,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:11,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:11,979 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:12,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-11-23 03:55:12,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 841 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-11-23 03:55:13,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:13,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 03:55:13,017 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:13,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:55:13,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:55:13,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:55:13,018 INFO L87 Difference]: Start difference. First operand 31243 states and 33487 transitions. Second operand 9 states. [2018-11-23 03:55:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:15,066 INFO L93 Difference]: Finished difference Result 60869 states and 65660 transitions. [2018-11-23 03:55:15,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 03:55:15,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 990 [2018-11-23 03:55:15,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:15,117 INFO L225 Difference]: With dead ends: 60869 [2018-11-23 03:55:15,117 INFO L226 Difference]: Without dead ends: 25608 [2018-11-23 03:55:15,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2015 GetRequests, 1989 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:55:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25608 states. [2018-11-23 03:55:15,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25608 to 23965. [2018-11-23 03:55:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23965 states. [2018-11-23 03:55:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23965 states to 23965 states and 24968 transitions. [2018-11-23 03:55:15,382 INFO L78 Accepts]: Start accepts. Automaton has 23965 states and 24968 transitions. Word has length 990 [2018-11-23 03:55:15,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:15,383 INFO L480 AbstractCegarLoop]: Abstraction has 23965 states and 24968 transitions. [2018-11-23 03:55:15,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:55:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 23965 states and 24968 transitions. [2018-11-23 03:55:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2018-11-23 03:55:15,413 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:15,413 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:55:15,413 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:15,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:15,414 INFO L82 PathProgramCache]: Analyzing trace with hash -556423041, now seen corresponding path program 1 times [2018-11-23 03:55:15,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:15,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:15,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:15,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:15,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:16,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-11-23 03:55:16,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:16,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:16,599 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1404 with the following transitions: [2018-11-23 03:55:16,599 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:16,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:16,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:17,394 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:17,394 INFO L272 AbstractInterpreter]: Visited 319 different actions 1264 times. Merged at 10 different actions 29 times. Never widened. Performed 15409 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 03:55:17,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:17,398 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:17,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:17,398 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:17,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:17,404 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:17,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 2303 proven. 2 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2018-11-23 03:55:18,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3514 backedges. 965 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-11-23 03:55:19,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:19,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 03:55:19,490 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:19,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:55:19,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:55:19,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 03:55:19,491 INFO L87 Difference]: Start difference. First operand 23965 states and 24968 transitions. Second operand 10 states. [2018-11-23 03:55:21,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:21,631 INFO L93 Difference]: Finished difference Result 47296 states and 49291 transitions. [2018-11-23 03:55:21,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 03:55:21,632 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1403 [2018-11-23 03:55:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:21,664 INFO L225 Difference]: With dead ends: 47296 [2018-11-23 03:55:21,664 INFO L226 Difference]: Without dead ends: 24394 [2018-11-23 03:55:21,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2837 GetRequests, 2813 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:55:21,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24394 states. [2018-11-23 03:55:21,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24394 to 23968. [2018-11-23 03:55:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23968 states. [2018-11-23 03:55:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23968 states to 23968 states and 24879 transitions. [2018-11-23 03:55:21,899 INFO L78 Accepts]: Start accepts. Automaton has 23968 states and 24879 transitions. Word has length 1403 [2018-11-23 03:55:21,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:21,900 INFO L480 AbstractCegarLoop]: Abstraction has 23968 states and 24879 transitions. [2018-11-23 03:55:21,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:55:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 23968 states and 24879 transitions. [2018-11-23 03:55:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1425 [2018-11-23 03:55:21,919 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:21,920 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:55:21,920 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:21,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:21,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1041894745, now seen corresponding path program 1 times [2018-11-23 03:55:21,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:21,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:21,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:21,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:21,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 03:55:22,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:22,819 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:22,819 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1425 with the following transitions: [2018-11-23 03:55:22,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:22,822 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:22,822 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:23,803 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:23,803 INFO L272 AbstractInterpreter]: Visited 318 different actions 1260 times. Merged at 9 different actions 29 times. Never widened. Performed 15349 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15349 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 03:55:23,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:23,806 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:23,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:23,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:23,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:23,814 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:23,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 03:55:24,616 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3163 backedges. 1387 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 03:55:25,414 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:25,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:55:25,414 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:25,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:55:25,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:55:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:55:25,415 INFO L87 Difference]: Start difference. First operand 23968 states and 24879 transitions. Second operand 9 states. [2018-11-23 03:55:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:27,772 INFO L93 Difference]: Finished difference Result 54608 states and 57072 transitions. [2018-11-23 03:55:27,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 03:55:27,773 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1424 [2018-11-23 03:55:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:27,805 INFO L225 Difference]: With dead ends: 54608 [2018-11-23 03:55:27,805 INFO L226 Difference]: Without dead ends: 23570 [2018-11-23 03:55:27,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2877 GetRequests, 2854 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:55:27,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23570 states. [2018-11-23 03:55:28,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23570 to 20876. [2018-11-23 03:55:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20876 states. [2018-11-23 03:55:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20876 states to 20876 states and 21511 transitions. [2018-11-23 03:55:28,034 INFO L78 Accepts]: Start accepts. Automaton has 20876 states and 21511 transitions. Word has length 1424 [2018-11-23 03:55:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:28,035 INFO L480 AbstractCegarLoop]: Abstraction has 20876 states and 21511 transitions. [2018-11-23 03:55:28,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:55:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 20876 states and 21511 transitions. [2018-11-23 03:55:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2018-11-23 03:55:28,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:28,057 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:55:28,057 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:28,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:28,057 INFO L82 PathProgramCache]: Analyzing trace with hash -975837139, now seen corresponding path program 1 times [2018-11-23 03:55:28,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:28,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:28,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:28,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:28,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-11-23 03:55:29,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:29,054 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:29,054 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1638 with the following transitions: [2018-11-23 03:55:29,055 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:29,058 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:29,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:29,866 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:29,866 INFO L272 AbstractInterpreter]: Visited 321 different actions 1279 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 15579 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15579 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 03:55:29,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:29,874 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:29,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:29,874 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:29,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:29,880 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:30,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3468 proven. 2 refuted. 0 times theorem prover too weak. 1727 trivial. 0 not checked. [2018-11-23 03:55:30,777 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1035 proven. 534 refuted. 0 times theorem prover too weak. 3628 trivial. 0 not checked. [2018-11-23 03:55:31,598 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:31,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 03:55:31,599 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:31,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:55:31,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:55:31,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:55:31,600 INFO L87 Difference]: Start difference. First operand 20876 states and 21511 transitions. Second operand 9 states. [2018-11-23 03:55:33,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:33,276 INFO L93 Difference]: Finished difference Result 41296 states and 42746 transitions. [2018-11-23 03:55:33,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 03:55:33,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1637 [2018-11-23 03:55:33,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:33,307 INFO L225 Difference]: With dead ends: 41296 [2018-11-23 03:55:33,307 INFO L226 Difference]: Without dead ends: 21483 [2018-11-23 03:55:33,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3297 GetRequests, 3278 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:55:33,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21483 states. [2018-11-23 03:55:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21483 to 20880. [2018-11-23 03:55:33,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20880 states. [2018-11-23 03:55:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20880 states to 20880 states and 21470 transitions. [2018-11-23 03:55:33,517 INFO L78 Accepts]: Start accepts. Automaton has 20880 states and 21470 transitions. Word has length 1637 [2018-11-23 03:55:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:33,518 INFO L480 AbstractCegarLoop]: Abstraction has 20880 states and 21470 transitions. [2018-11-23 03:55:33,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:55:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20880 states and 21470 transitions. [2018-11-23 03:55:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2018-11-23 03:55:33,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:55:33,540 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:55:33,540 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:55:33,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:33,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812407, now seen corresponding path program 1 times [2018-11-23 03:55:33,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:55:33,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:33,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:33,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:55:33,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:55:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1150 proven. 548 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2018-11-23 03:55:35,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:35,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:55:35,419 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1640 with the following transitions: [2018-11-23 03:55:35,419 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 03:55:35,424 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:55:35,424 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:55:36,527 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:55:36,527 INFO L272 AbstractInterpreter]: Visited 319 different actions 1269 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 15479 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15479 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 03:55:36,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:55:36,529 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:55:36,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:55:36,529 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:55:36,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:55:36,537 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:55:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:55:36,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:55:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 3084 proven. 2 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2018-11-23 03:55:37,675 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:55:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4400 backedges. 1196 proven. 486 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2018-11-23 03:55:39,932 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:55:39,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 03:55:39,932 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:55:39,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:55:39,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:55:39,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:55:39,934 INFO L87 Difference]: Start difference. First operand 20880 states and 21470 transitions. Second operand 15 states. [2018-11-23 03:55:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:55:45,351 INFO L93 Difference]: Finished difference Result 40912 states and 42143 transitions. [2018-11-23 03:55:45,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 03:55:45,352 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1639 [2018-11-23 03:55:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:55:45,353 INFO L225 Difference]: With dead ends: 40912 [2018-11-23 03:55:45,353 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:55:45,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3340 GetRequests, 3297 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1344, Unknown=0, NotChecked=0, Total=1640 [2018-11-23 03:55:45,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:55:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:55:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:55:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:55:45,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1639 [2018-11-23 03:55:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:55:45,385 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:55:45,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:55:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:55:45,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:55:45,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:55:45,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,113 WARN L180 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 540 [2018-11-23 03:55:46,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:46,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:47,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:47,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:47,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:55:47,690 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 570 [2018-11-23 03:55:49,548 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 535 DAG size of output: 87 [2018-11-23 03:55:50,705 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 369 DAG size of output: 84 [2018-11-23 03:55:52,516 WARN L180 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 532 DAG size of output: 96 [2018-11-23 03:55:54,985 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 529 DAG size of output: 116 [2018-11-23 03:55:56,959 WARN L180 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 561 DAG size of output: 83 [2018-11-23 03:55:56,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:55:56,961 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 03:55:56,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:55:56,961 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,961 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 03:55:56,961 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,962 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse19 (< |old(~a12~0)| 7)) (.cse10 (= 7 |old(~a12~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (< 7 |old(~a12~0)|)) (.cse3 (not (= 8 |old(~a16~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse8 (< |old(~a16~0)| 12)) (.cse9 (= 12 |old(~a16~0)|)) (.cse11 (= 5 |old(~a12~0)|)) (.cse18 (< |old(~a15~0)| 4)) (.cse20 (not (= 8 |old(~a12~0)|))) (.cse0 (and .cse15 .cse13 .cse14 .cse16)) (.cse7 (= 4 |old(~a15~0)|)) (.cse21 (or .cse19 (or .cse10 (< 8 |old(~a16~0)|)))) (.cse5 (and (and (and (= |old(~a16~0)| ~a16~0) .cse14) .cse15) .cse16)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse6 (<= (+ |old(~a18~0)| 156) 0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse17 (not .cse10)) (.cse22 (not (= 11 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (< 0 (+ |old(~a18~0)| 87)) .cse6) (or .cse7 .cse8 .cse0 .cse1) (or .cse9 .cse10 .cse11 .cse0 .cse12) (or .cse3 (and (and .cse13 .cse14) .cse15 .cse16) .cse17 .cse18) (or .cse10 .cse7 .cse11 .cse0 .cse12) (or (and (and .cse15 .cse13 .cse14) .cse16) .cse17 .cse2) (or .cse0 (or .cse19 .cse7) .cse2) (or .cse3 .cse20 .cse0) (or .cse4 (not (= |old(~a12~0)| 5)) (= 0 |old(~a16~0)|) .cse0) (or .cse0 .cse20 .cse2) (or .cse4 .cse17 .cse8 .cse6 .cse0) (or .cse9 (not .cse11) .cse18 .cse0) (or .cse7 .cse0 .cse20) (or .cse0 .cse21 .cse1) (or .cse0 .cse7 .cse21) (or .cse5 .cse1 (or .cse4 .cse22)) (or (and (and .cse13 (= 3 ~a15~0) .cse14) .cse16) .cse6 (or .cse4 .cse17 .cse22))))) [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,963 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse19 (= |old(~a16~0)| ~a16~0)) (.cse8 (= ~a18~0 |old(~a18~0)|))) (let ((.cse17 (= 7 |old(~a12~0)|)) (.cse16 (and .cse19 .cse8)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0))) (let ((.cse7 (= 11 ~a16~0)) (.cse13 (< |old(~a12~0)| 7)) (.cse12 (< 8 |old(~a16~0)|)) (.cse15 (and (and .cse6 .cse22 .cse8) .cse9)) (.cse24 (< |old(~a15~0)| 4)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse14 (= 4 |old(~a15~0)|)) (.cse18 (not (= 8 |old(~a16~0)|))) (.cse11 (and .cse16 .cse6 .cse9)) (.cse26 (not (= 8 |old(~a12~0)|))) (.cse23 (= |calculate_output_#in~input| 0)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse20 (+ |old(~a18~0)| 87)) (.cse21 (not (= calculate_output_~input 0))) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse0 (and .cse6 .cse22 .cse8 .cse9)) (.cse4 (not .cse17)) (.cse25 (< |old(~a16~0)| 12)) (.cse10 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) (and (and .cse6 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 79))) .cse7 .cse8) .cse9) .cse10) (or .cse11 .cse12 .cse1) (or .cse13 .cse14 .cse15 .cse2) (or (or .cse3 .cse5) (and (and .cse7 (= 3 ~a15~0) .cse8) .cse9) .cse1) (or .cse13 (and (and .cse16 .cse9) .cse6) .cse17 .cse14 .cse12) (or .cse18 .cse3 .cse4 (and (and (and .cse8 .cse6) .cse19) .cse9) (< 0 .cse20) .cse10) (or .cse15 .cse4 .cse2) (or .cse3 (and .cse6 .cse21 .cse22 .cse8 .cse9) (not (= |old(~a12~0)| 5)) .cse23 (= 0 |old(~a16~0)|)) (or .cse0 (= 12 |old(~a16~0)|) .cse17 (< 7 |old(~a12~0)|) .cse24) (or .cse18 .cse4 .cse24 .cse11) (or .cse14 .cse0 .cse25 .cse1) (or .cse0 .cse26 .cse2) (or .cse0 .cse17 .cse14 (= 5 |old(~a12~0)|) (< 8 |old(~a12~0)|)) (or .cse18 .cse11 .cse26) (or .cse23 (or .cse3 (not (= 6 |old(~a12~0)|)) .cse5) (not (= .cse20 0)) .cse21) (or .cse3 .cse0 .cse4 .cse25 .cse10))))) [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,964 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,965 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,966 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,967 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,968 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= 7 |old(~a12~0)|)) (.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (< |old(~a12~0)| 7)) (.cse5 (and .cse17 (= 3 ~a15~0) .cse18 .cse19)) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse9 (not (= 8 |old(~a16~0)|))) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse7 (< 7 |old(~a12~0)|)) (.cse8 (< |old(~a15~0)| 4)) (.cse14 (< 8 |old(~a16~0)|)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse13 (= 4 |old(~a15~0)|)) (.cse16 (not (= 8 |old(~a12~0)|))) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse0 (and (= |old(~a15~0)| ~a15~0) .cse17 .cse18 .cse19)) (.cse10 (not .cse6)) (.cse15 (< |old(~a16~0)| 12)) (.cse11 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse1 .cse5) (or (= 12 |old(~a16~0)|) .cse6 .cse0 .cse7 .cse8) (or .cse9 .cse3 .cse10 (< 0 (+ |old(~a18~0)| 87)) .cse11 .cse5) (or .cse12 .cse13 .cse0 .cse2) (or .cse12 .cse6 .cse13 .cse0 .cse14) (or .cse13 .cse15 .cse1 .cse0) (or .cse9 .cse0 .cse7 .cse8) (or .cse5 (or .cse3 .cse10 .cse4) .cse11) (or .cse6 .cse13 (= 5 |old(~a12~0)|) .cse0 .cse7) (or .cse9 .cse0 .cse16) (or .cse0 .cse16 .cse2) (or .cse0 .cse2 .cse7 .cse8) (or .cse3 (not (= |old(~a12~0)| 5)) (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0) .cse0) (or .cse0 .cse14 .cse1) (or .cse13 .cse0 .cse16) (or .cse3 .cse0 .cse10 .cse15 .cse11)))) [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,969 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 03:55:56,970 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 03:55:56,971 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 03:55:56,972 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,973 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,974 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,975 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,976 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 03:55:56,977 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,978 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,979 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 03:55:56,980 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 03:55:56,981 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:55:56,981 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-11-23 03:55:56,981 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 03:55:56,982 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse9 (= 3 ~a15~0)) (.cse8 (= ~a16~0 8)) (.cse16 (not (= ~a12~0 7)))) (let ((.cse15 (<= 7 ~a12~0)) (.cse13 (<= 4 ~a15~0)) (.cse2 (and (not .cse8) (not (= ~a16~0 12)) .cse16)) (.cse11 (and (= 11 ~a16~0) .cse9)) (.cse5 (= ~a12~0 9)) (.cse6 (= 9 ~a16~0)) (.cse0 (not (= ~a12~0 5))) (.cse4 (not (= ~a15~0 4))) (.cse1 (<= ~a12~0 7)) (.cse3 (<= 12 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse10 (< 0 (+ ~a18~0 156))) (.cse14 (= 8 ~a12~0)) (.cse12 (= 8 ~a16~0)) (.cse17 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse3 .cse4) .cse5) (and .cse6 .cse7) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse9 .cse7 (<= (+ ~a18~0 87) 0) .cse10) (and .cse11 .cse7 .cse10) (and .cse12 (and .cse13 .cse1)) (not (= 5 |old(~a12~0)|)) (and .cse14 .cse4) (and .cse6 .cse15 .cse4) (and (<= ~a16~0 9) .cse5) (and .cse15 .cse4 .cse16 (<= ~a16~0 8)) (and .cse13 (= 5 ~a12~0) .cse2) (and .cse11 .cse5) (and .cse6 .cse14) (and .cse0 .cse4 (and .cse16 .cse1)) (and (and .cse3 .cse7) .cse17 .cse10) (and .cse14 .cse12) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse17 (= |old(~a12~0)| ~a12~0))))) [2018-11-23 03:55:56,982 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 03:55:56,982 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 03:55:56,982 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (= ~a12~0 5)) (.cse9 (= 3 ~a15~0)) (.cse8 (= ~a16~0 8)) (.cse18 (not (= ~a12~0 7)))) (let ((.cse17 (<= 7 ~a12~0)) (.cse15 (<= 4 ~a15~0)) (.cse2 (and (not .cse8) (not (= ~a16~0 12)) .cse18)) (.cse13 (and (= 11 ~a16~0) .cse9)) (.cse5 (= ~a12~0 9)) (.cse6 (= 9 ~a16~0)) (.cse0 (not .cse12)) (.cse4 (not (= ~a15~0 4))) (.cse1 (<= ~a12~0 7)) (.cse3 (<= 12 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse11 (= ~a15~0 3)) (.cse10 (< 0 (+ ~a18~0 156))) (.cse16 (= 8 ~a12~0)) (.cse14 (= 8 ~a16~0))) (or (and .cse0 .cse1 .cse2) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse3 .cse4) .cse5) (and .cse6 .cse7) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse9 (<= (+ ~a18~0 87) 0) .cse10) (and (not (= ~a16~0 0)) .cse11 .cse12) (and .cse13 .cse7 .cse10) (and .cse14 (and .cse15 .cse1)) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse4) (and .cse6 .cse17 .cse4) (and (<= ~a16~0 9) .cse5) (and .cse17 .cse4 .cse18 (<= ~a16~0 8)) (and .cse15 (= 5 ~a12~0) .cse2) (and .cse13 .cse5) (and .cse6 .cse16) (and .cse0 .cse4 (and .cse18 .cse1)) (and (and .cse3 .cse7) .cse11 .cse10) (and .cse16 .cse14)))) [2018-11-23 03:55:56,982 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 03:55:56,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:55:56 BoogieIcfgContainer [2018-11-23 03:55:56,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:55:56,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:55:56,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:55:56,992 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:55:56,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:29" (3/4) ... [2018-11-23 03:55:56,995 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:55:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:55:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 03:55:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:55:56,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:55:57,013 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 03:55:57,014 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:55:57,035 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((!(a12 == 5) && a12 <= 7) && (!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || (9 == a16 && 7 == a12)) || !(3 == \old(a15))) || (((a16 == 8 && 3 == a15) && a18 + 87 <= 0) && 0 < a18 + 156)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || (((11 == a16 && 3 == a15) && 7 == a12) && 0 < a18 + 156)) || (8 == a16 && 4 <= a15 && a12 <= 7)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || (a16 <= 9 && a12 == 9)) || (((7 <= a12 && !(a15 == 4)) && !(a12 == 7)) && a16 <= 8)) || ((4 <= a15 && 5 == a12) && (!(a16 == 8) && !(a16 == 12)) && !(a12 == 7))) || ((11 == a16 && 3 == a15) && a12 == 9)) || (9 == a16 && 8 == a12)) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (((12 <= a16 && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || (8 == a12 && 8 == a16) [2018-11-23 03:55:57,173 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee32fda3-2ab9-4b67-b178-cf1644a01056/bin-2019/utaipan/witness.graphml [2018-11-23 03:55:57,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:55:57,174 INFO L168 Benchmark]: Toolchain (without parser) took 270532.46 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 953.9 MB in the beginning and 1.6 GB in the end (delta: -635.9 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,175 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:55:57,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 876.0 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -220.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,175 INFO L168 Benchmark]: Boogie Preprocessor took 94.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,176 INFO L168 Benchmark]: RCFGBuilder took 1649.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.8 MB in the end (delta: 246.1 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,176 INFO L168 Benchmark]: TraceAbstraction took 267778.73 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 837.8 MB in the beginning and 1.6 GB in the end (delta: -751.9 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,176 INFO L168 Benchmark]: Witness Printer took 182.11 ms. Allocated memory is still 4.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-11-23 03:55:57,178 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.00 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 876.0 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -220.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1649.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.8 MB in the end (delta: 246.1 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 267778.73 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 837.8 MB in the beginning and 1.6 GB in the end (delta: -751.9 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 182.11 ms. Allocated memory is still 4.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. * 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a12 == 5) && a12 <= 7) && (!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || (9 == a16 && 7 == a12)) || !(3 == \old(a15))) || (((a16 == 8 && 3 == a15) && a18 + 87 <= 0) && 0 < a18 + 156)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || (((11 == a16 && 3 == a15) && 7 == a12) && 0 < a18 + 156)) || (8 == a16 && 4 <= a15 && a12 <= 7)) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || (a16 <= 9 && a12 == 9)) || (((7 <= a12 && !(a15 == 4)) && !(a12 == 7)) && a16 <= 8)) || ((4 <= a15 && 5 == a12) && (!(a16 == 8) && !(a16 == 12)) && !(a12 == 7))) || ((11 == a16 && 3 == a15) && a12 == 9)) || (9 == a16 && 8 == a12)) || ((!(a12 == 5) && !(a15 == 4)) && !(a12 == 7) && a12 <= 7)) || (((12 <= a16 && 7 == a12) && a15 == 3) && 0 < a18 + 156)) || (8 == a12 && 8 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 267.6s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 220.5s AutomataDifference, 0.0s DeadEndRemovalTime, 11.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3148 SDtfs, 43966 SDslu, 4360 SDs, 0 SdLazy, 81093 SolverSat, 10183 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 194.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 22968 GetRequests, 22593 SyntacticMatches, 34 SemanticMatches, 341 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2980 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31243occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.2s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9974535997049124 AbsIntWeakeningRatio, 0.0915032679738562 AbsIntAvgWeakeningVarsNumRemoved, 16.33769063180828 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 8790 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2344 PreInvPairs, 3210 NumberOfFragments, 1952 HoareAnnotationTreeSize, 2344 FomulaSimplifications, 123238 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 151514 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 22998 NumberOfCodeBlocks, 22998 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 33745 ConstructedInterpolants, 0 QuantifiedInterpolants, 95441437 SizeOfPredicates, 5 NumberOfNonLiveVariables, 14163 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 37 InterpolantComputations, 6 PerfectInterpolantSequences, 66266/70839 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...