./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.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_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 b17d8b704c4d90069798a3313de2551dfcebcaee ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:29:16,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:29:16,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:29:16,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:29:16,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:29:16,682 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:29:16,683 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:29:16,685 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:29:16,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:29:16,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:29:16,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:29:16,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:29:16,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:29:16,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:29:16,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:29:16,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:29:16,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:29:16,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:29:16,694 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:29:16,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:29:16,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:29:16,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:29:16,698 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:29:16,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:29:16,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:29:16,699 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:29:16,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:29:16,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:29:16,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:29:16,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:29:16,702 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:29:16,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:29:16,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:29:16,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:29:16,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:29:16,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:29:16,705 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:29:16,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:29:16,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:29:16,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:29:16,717 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:29:16,717 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:29:16,717 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:29:16,718 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:29:16,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:29:16,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:29:16,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:29:16,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:29:16,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:29:16,722 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:29:16,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:29:16,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:29:16,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:29:16,723 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:29:16,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:29:16,723 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:29:16,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:29:16,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:29:16,724 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:29:16,724 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_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 -> b17d8b704c4d90069798a3313de2551dfcebcaee [2018-11-23 02:29:16,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:29:16,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:29:16,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:29:16,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:29:16,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:29:16,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-23 02:29:16,807 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/data/91f83fddb/0f75e495c9524d29950e6a5e6e82fbf4/FLAGc2920c126 [2018-11-23 02:29:17,267 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:29:17,267 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-23 02:29:17,277 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/data/91f83fddb/0f75e495c9524d29950e6a5e6e82fbf4/FLAGc2920c126 [2018-11-23 02:29:17,783 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/data/91f83fddb/0f75e495c9524d29950e6a5e6e82fbf4 [2018-11-23 02:29:17,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:29:17,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:29:17,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:29:17,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:29:17,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:29:17,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:17" (1/1) ... [2018-11-23 02:29:17,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108971e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:17, skipping insertion in model container [2018-11-23 02:29:17,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:17" (1/1) ... [2018-11-23 02:29:17,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:29:17,839 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:29:18,083 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:29:18,086 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:29:18,167 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:29:18,179 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:29:18,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18 WrapperNode [2018-11-23 02:29:18,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:29:18,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:29:18,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:29:18,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:29:18,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:29:18,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:29:18,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:29:18,260 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:29:18,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... [2018-11-23 02:29:18,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:29:18,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:29:18,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:29:18,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:29:18,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:29:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:29:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:29:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:29:18,360 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 02:29:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 02:29:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:29:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:29:18,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:29:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:29:19,260 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:29:19,261 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 02:29:19,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:19 BoogieIcfgContainer [2018-11-23 02:29:19,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:29:19,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:29:19,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:29:19,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:29:19,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:29:17" (1/3) ... [2018-11-23 02:29:19,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e18b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:19, skipping insertion in model container [2018-11-23 02:29:19,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:18" (2/3) ... [2018-11-23 02:29:19,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e18b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:19, skipping insertion in model container [2018-11-23 02:29:19,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:19" (3/3) ... [2018-11-23 02:29:19,266 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label32_true-unreach-call_false-termination.c [2018-11-23 02:29:19,272 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:29:19,277 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:29:19,286 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:29:19,310 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:29:19,310 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:29:19,310 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:29:19,310 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:29:19,310 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:29:19,310 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:29:19,310 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:29:19,310 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:29:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 02:29:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 02:29:19,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:29:19,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:29:19,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:29:19,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:19,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1416126934, now seen corresponding path program 1 times [2018-11-23 02:29:19,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:29:19,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:19,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:29:19,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:19,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:29:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:19,547 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 02:29:19,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:29:19,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:29:19,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:29:19,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:29:19,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:29:19,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:29:19,562 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-23 02:29:20,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:29:20,581 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-11-23 02:29:20,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:29:20,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 02:29:20,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:29:20,592 INFO L225 Difference]: With dead ends: 890 [2018-11-23 02:29:20,593 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 02:29:20,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:29:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 02:29:20,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2018-11-23 02:29:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-11-23 02:29:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 959 transitions. [2018-11-23 02:29:20,651 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 959 transitions. Word has length 61 [2018-11-23 02:29:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:29:20,652 INFO L480 AbstractCegarLoop]: Abstraction has 630 states and 959 transitions. [2018-11-23 02:29:20,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:29:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 959 transitions. [2018-11-23 02:29:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 02:29:20,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:29:20,657 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:20,657 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:29:20,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:20,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1588363546, now seen corresponding path program 1 times [2018-11-23 02:29:20,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:29:20,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:20,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:29:20,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:20,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:29:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:29:20,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:29:20,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:29:20,843 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:29:20,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:29:20,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:29:20,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:29:20,845 INFO L87 Difference]: Start difference. First operand 630 states and 959 transitions. Second operand 4 states. [2018-11-23 02:29:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:29:21,734 INFO L93 Difference]: Finished difference Result 2159 states and 3479 transitions. [2018-11-23 02:29:21,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:29:21,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-23 02:29:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:29:21,745 INFO L225 Difference]: With dead ends: 2159 [2018-11-23 02:29:21,745 INFO L226 Difference]: Without dead ends: 1535 [2018-11-23 02:29:21,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:29:21,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2018-11-23 02:29:21,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1535. [2018-11-23 02:29:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-11-23 02:29:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2263 transitions. [2018-11-23 02:29:21,802 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2263 transitions. Word has length 173 [2018-11-23 02:29:21,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:29:21,803 INFO L480 AbstractCegarLoop]: Abstraction has 1535 states and 2263 transitions. [2018-11-23 02:29:21,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:29:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2263 transitions. [2018-11-23 02:29:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-23 02:29:21,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:29:21,810 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:29:21,811 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:29:21,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:21,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1017976546, now seen corresponding path program 1 times [2018-11-23 02:29:21,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:29:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:21,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:29:21,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:21,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:29:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:29:22,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:29:22,054 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:29:22,054 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-23 02:29:22,056 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:29:22,086 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:29:22,086 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:29:24,046 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:29:24,047 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1046 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 02:29:24,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:24,057 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:29:25,890 INFO L227 lantSequenceWeakener]: Weakened 238 states. On average, predicates are now at 78.1% of their original sizes. [2018-11-23 02:29:25,891 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:29:25,920 INFO L415 sIntCurrentIteration]: We unified 246 AI predicates to 246 [2018-11-23 02:29:25,920 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:29:25,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:29:25,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 02:29:25,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:29:25,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:29:25,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:29:25,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:29:25,923 INFO L87 Difference]: Start difference. First operand 1535 states and 2263 transitions. Second operand 6 states. [2018-11-23 02:29:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:29:33,196 INFO L93 Difference]: Finished difference Result 3247 states and 4758 transitions. [2018-11-23 02:29:33,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 02:29:33,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 247 [2018-11-23 02:29:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:29:33,200 INFO L225 Difference]: With dead ends: 3247 [2018-11-23 02:29:33,200 INFO L226 Difference]: Without dead ends: 1718 [2018-11-23 02:29:33,203 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 242 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 02:29:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-11-23 02:29:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1717. [2018-11-23 02:29:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1717 states. [2018-11-23 02:29:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2452 transitions. [2018-11-23 02:29:33,228 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2452 transitions. Word has length 247 [2018-11-23 02:29:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:29:33,228 INFO L480 AbstractCegarLoop]: Abstraction has 1717 states and 2452 transitions. [2018-11-23 02:29:33,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:29:33,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2452 transitions. [2018-11-23 02:29:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-23 02:29:33,233 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:29:33,233 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:33,234 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:29:33,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:33,234 INFO L82 PathProgramCache]: Analyzing trace with hash 2086987158, now seen corresponding path program 1 times [2018-11-23 02:29:33,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:29:33,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:33,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:29:33,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:29:33,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:29:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:29:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 248 proven. 142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:29:33,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:29:33,686 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:29:33,686 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-23 02:29:33,687 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:29:33,690 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:29:33,690 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:29:36,720 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:29:36,720 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 2157 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 02:29:36,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:29:36,722 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:29:38,320 INFO L227 lantSequenceWeakener]: Weakened 328 states. On average, predicates are now at 77.93% of their original sizes. [2018-11-23 02:29:38,320 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:29:38,371 INFO L415 sIntCurrentIteration]: We unified 330 AI predicates to 330 [2018-11-23 02:29:38,371 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:29:38,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:29:38,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-23 02:29:38,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:29:38,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:29:38,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:29:38,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:29:38,372 INFO L87 Difference]: Start difference. First operand 1717 states and 2452 transitions. Second operand 10 states. [2018-11-23 02:30:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:30:14,744 INFO L93 Difference]: Finished difference Result 3989 states and 5658 transitions. [2018-11-23 02:30:14,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 02:30:14,744 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 331 [2018-11-23 02:30:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:30:14,754 INFO L225 Difference]: With dead ends: 3989 [2018-11-23 02:30:14,754 INFO L226 Difference]: Without dead ends: 2460 [2018-11-23 02:30:14,758 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 339 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:30:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2018-11-23 02:30:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2458. [2018-11-23 02:30:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2458 states. [2018-11-23 02:30:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3281 transitions. [2018-11-23 02:30:14,803 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3281 transitions. Word has length 331 [2018-11-23 02:30:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:30:14,803 INFO L480 AbstractCegarLoop]: Abstraction has 2458 states and 3281 transitions. [2018-11-23 02:30:14,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:30:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3281 transitions. [2018-11-23 02:30:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-23 02:30:14,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:30:14,812 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:14,812 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:30:14,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:14,812 INFO L82 PathProgramCache]: Analyzing trace with hash -443954311, now seen corresponding path program 1 times [2018-11-23 02:30:14,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:30:14,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:14,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:30:14,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:14,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:30:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:30:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 173 proven. 243 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:30:15,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:30:15,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:30:15,516 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-11-23 02:30:15,516 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:30:15,518 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:30:15,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:30:15,603 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:30:15,603 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 2650 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2650 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 02:30:15,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:15,609 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:30:15,779 INFO L227 lantSequenceWeakener]: Weakened 375 states. On average, predicates are now at 77.85% of their original sizes. [2018-11-23 02:30:15,779 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:30:15,828 INFO L415 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-11-23 02:30:15,828 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:30:15,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:30:15,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 02:30:15,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:30:15,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:30:15,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:30:15,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:30:15,829 INFO L87 Difference]: Start difference. First operand 2458 states and 3281 transitions. Second operand 10 states. [2018-11-23 02:30:34,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:30:34,483 INFO L93 Difference]: Finished difference Result 4914 states and 6603 transitions. [2018-11-23 02:30:34,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:30:34,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 378 [2018-11-23 02:30:34,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:30:34,490 INFO L225 Difference]: With dead ends: 4914 [2018-11-23 02:30:34,491 INFO L226 Difference]: Without dead ends: 2644 [2018-11-23 02:30:34,496 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 385 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 02:30:34,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2018-11-23 02:30:34,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2642. [2018-11-23 02:30:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2642 states. [2018-11-23 02:30:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 3479 transitions. [2018-11-23 02:30:34,541 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 3479 transitions. Word has length 378 [2018-11-23 02:30:34,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:30:34,542 INFO L480 AbstractCegarLoop]: Abstraction has 2642 states and 3479 transitions. [2018-11-23 02:30:34,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:30:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3479 transitions. [2018-11-23 02:30:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-11-23 02:30:34,552 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:30:34,552 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, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:30:34,553 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:30:34,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:34,553 INFO L82 PathProgramCache]: Analyzing trace with hash 2101608302, now seen corresponding path program 1 times [2018-11-23 02:30:34,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:30:34,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:34,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:30:34,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:34,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:30:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:30:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 360 proven. 257 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 02:30:34,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:30:34,829 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:30:34,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 458 with the following transitions: [2018-11-23 02:30:34,829 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [630], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:30:34,831 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:30:34,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:30:38,260 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:30:38,260 INFO L272 AbstractInterpreter]: Visited 120 different actions 357 times. Merged at 6 different actions 17 times. Never widened. Performed 3448 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3448 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 02:30:38,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:38,262 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:30:38,889 INFO L227 lantSequenceWeakener]: Weakened 454 states. On average, predicates are now at 80.38% of their original sizes. [2018-11-23 02:30:38,889 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:30:38,925 INFO L415 sIntCurrentIteration]: We unified 456 AI predicates to 456 [2018-11-23 02:30:38,925 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:30:38,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:30:38,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 02:30:38,926 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:30:38,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:30:38,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:30:38,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:30:38,926 INFO L87 Difference]: Start difference. First operand 2642 states and 3479 transitions. Second operand 10 states. [2018-11-23 02:30:52,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:30:52,331 INFO L93 Difference]: Finished difference Result 6141 states and 8594 transitions. [2018-11-23 02:30:52,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 02:30:52,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 457 [2018-11-23 02:30:52,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:30:52,341 INFO L225 Difference]: With dead ends: 6141 [2018-11-23 02:30:52,341 INFO L226 Difference]: Without dead ends: 3871 [2018-11-23 02:30:52,346 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 467 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 02:30:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2018-11-23 02:30:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3846. [2018-11-23 02:30:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3846 states. [2018-11-23 02:30:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 4942 transitions. [2018-11-23 02:30:52,410 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 4942 transitions. Word has length 457 [2018-11-23 02:30:52,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:30:52,411 INFO L480 AbstractCegarLoop]: Abstraction has 3846 states and 4942 transitions. [2018-11-23 02:30:52,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:30:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4942 transitions. [2018-11-23 02:30:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-11-23 02:30:52,425 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:30:52,425 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, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:30:52,425 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:30:52,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:52,426 INFO L82 PathProgramCache]: Analyzing trace with hash -329202759, now seen corresponding path program 1 times [2018-11-23 02:30:52,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:30:52,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:52,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:30:52,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:30:52,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:30:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:30:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 364 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-11-23 02:30:52,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:30:52,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:30:52,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 515 with the following transitions: [2018-11-23 02:30:52,692 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:30:52,695 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:30:52,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:30:57,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:30:57,101 INFO L272 AbstractInterpreter]: Visited 124 different actions 499 times. Merged at 9 different actions 36 times. Never widened. Performed 4760 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4760 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 02:30:57,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:30:57,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:30:57,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:30:57,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:30:57,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:30:57,116 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:30:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:30:57,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:30:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 675 proven. 2 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-11-23 02:30:57,348 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:30:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 364 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-11-23 02:30:57,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:30:57,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 02:30:57,542 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:30:57,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:30:57,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:30:57,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:30:57,543 INFO L87 Difference]: Start difference. First operand 3846 states and 4942 transitions. Second operand 9 states. [2018-11-23 02:30:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:30:59,972 INFO L93 Difference]: Finished difference Result 9857 states and 14056 transitions. [2018-11-23 02:30:59,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 02:30:59,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 514 [2018-11-23 02:30:59,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:30:59,989 INFO L225 Difference]: With dead ends: 9857 [2018-11-23 02:30:59,989 INFO L226 Difference]: Without dead ends: 6016 [2018-11-23 02:30:59,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1078 GetRequests, 1045 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2018-11-23 02:31:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6016 states. [2018-11-23 02:31:00,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6016 to 5989. [2018-11-23 02:31:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5989 states. [2018-11-23 02:31:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5989 states to 5989 states and 7676 transitions. [2018-11-23 02:31:00,093 INFO L78 Accepts]: Start accepts. Automaton has 5989 states and 7676 transitions. Word has length 514 [2018-11-23 02:31:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:00,094 INFO L480 AbstractCegarLoop]: Abstraction has 5989 states and 7676 transitions. [2018-11-23 02:31:00,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:31:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5989 states and 7676 transitions. [2018-11-23 02:31:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-11-23 02:31:00,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:00,105 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, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:31:00,105 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:00,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:00,105 INFO L82 PathProgramCache]: Analyzing trace with hash -817045398, now seen corresponding path program 1 times [2018-11-23 02:31:00,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:31:00,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:00,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:00,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:00,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:31:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 582 proven. 427 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 02:31:00,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:00,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:31:00,900 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-11-23 02:31:00,900 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:31:00,902 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:31:00,902 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:31:07,864 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:31:07,864 INFO L272 AbstractInterpreter]: Visited 124 different actions 487 times. Merged at 8 different actions 24 times. Never widened. Performed 4738 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4738 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 02:31:07,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:07,865 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:31:07,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:07,865 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:31:07,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:07,872 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:31:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:07,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-11-23 02:31:08,085 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:31:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-11-23 02:31:08,218 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:31:08,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2018-11-23 02:31:08,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:31:08,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:31:08,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:31:08,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-23 02:31:08,220 INFO L87 Difference]: Start difference. First operand 5989 states and 7676 transitions. Second operand 3 states. [2018-11-23 02:31:08,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:08,700 INFO L93 Difference]: Finished difference Result 14059 states and 18774 transitions. [2018-11-23 02:31:08,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:31:08,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 559 [2018-11-23 02:31:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:08,720 INFO L225 Difference]: With dead ends: 14059 [2018-11-23 02:31:08,720 INFO L226 Difference]: Without dead ends: 8442 [2018-11-23 02:31:08,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1118 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-23 02:31:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8442 states. [2018-11-23 02:31:08,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8442 to 8258. [2018-11-23 02:31:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8258 states. [2018-11-23 02:31:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 10854 transitions. [2018-11-23 02:31:08,824 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 10854 transitions. Word has length 559 [2018-11-23 02:31:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:08,825 INFO L480 AbstractCegarLoop]: Abstraction has 8258 states and 10854 transitions. [2018-11-23 02:31:08,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:31:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 10854 transitions. [2018-11-23 02:31:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2018-11-23 02:31:08,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:08,838 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, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-23 02:31:08,838 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:08,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:08,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1368296906, now seen corresponding path program 1 times [2018-11-23 02:31:08,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:31:08,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:08,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:08,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:08,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:31:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 582 proven. 460 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-23 02:31:09,539 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:09,539 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:31:09,539 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 608 with the following transitions: [2018-11-23 02:31:09,539 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:31:09,541 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:31:09,541 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:31:16,590 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:31:16,590 INFO L272 AbstractInterpreter]: Visited 154 different actions 607 times. Merged at 7 different actions 24 times. Never widened. Performed 6496 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6496 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 02:31:16,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:16,591 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:31:16,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:16,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:31:16,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:16,597 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:31:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:16,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 891 proven. 2 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-11-23 02:31:16,794 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:31:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 433 proven. 144 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2018-11-23 02:31:17,120 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:31:17,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-23 02:31:17,120 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:31:17,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 02:31:17,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 02:31:17,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:31:17,121 INFO L87 Difference]: Start difference. First operand 8258 states and 10854 transitions. Second operand 17 states. [2018-11-23 02:31:20,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:20,700 INFO L93 Difference]: Finished difference Result 21308 states and 30571 transitions. [2018-11-23 02:31:20,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 02:31:20,701 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 607 [2018-11-23 02:31:20,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:20,744 INFO L225 Difference]: With dead ends: 21308 [2018-11-23 02:31:20,744 INFO L226 Difference]: Without dead ends: 12364 [2018-11-23 02:31:20,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1293 GetRequests, 1234 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=652, Invalid=2770, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 02:31:20,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12364 states. [2018-11-23 02:31:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12364 to 12126. [2018-11-23 02:31:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12126 states. [2018-11-23 02:31:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12126 states to 12126 states and 14304 transitions. [2018-11-23 02:31:21,007 INFO L78 Accepts]: Start accepts. Automaton has 12126 states and 14304 transitions. Word has length 607 [2018-11-23 02:31:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:21,008 INFO L480 AbstractCegarLoop]: Abstraction has 12126 states and 14304 transitions. [2018-11-23 02:31:21,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 02:31:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 12126 states and 14304 transitions. [2018-11-23 02:31:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-11-23 02:31:21,026 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:21,027 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:21,027 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:21,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:21,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2135941382, now seen corresponding path program 1 times [2018-11-23 02:31:21,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:31:21,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:21,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:21,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:21,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:31:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 885 proven. 887 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-11-23 02:31:22,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:22,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:31:22,778 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 878 with the following transitions: [2018-11-23 02:31:22,778 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:31:22,780 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:31:22,780 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:31:26,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:31:26,674 INFO L272 AbstractInterpreter]: Visited 192 different actions 772 times. Merged at 9 different actions 37 times. Widened at 1 different actions 2 times. Performed 8586 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8586 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 02:31:26,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:26,675 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:31:26,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:26,675 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:31:26,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:26,681 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:31:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:26,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 1391 proven. 2 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2018-11-23 02:31:27,106 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:31:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 842 proven. 142 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2018-11-23 02:31:27,460 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:31:27,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 22 [2018-11-23 02:31:27,461 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:31:27,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 02:31:27,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 02:31:27,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-11-23 02:31:27,462 INFO L87 Difference]: Start difference. First operand 12126 states and 14304 transitions. Second operand 20 states. [2018-11-23 02:31:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:35,583 INFO L93 Difference]: Finished difference Result 30394 states and 36817 transitions. [2018-11-23 02:31:35,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-11-23 02:31:35,583 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 877 [2018-11-23 02:31:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:35,619 INFO L225 Difference]: With dead ends: 30394 [2018-11-23 02:31:35,619 INFO L226 Difference]: Without dead ends: 18640 [2018-11-23 02:31:35,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1964 GetRequests, 1839 SyntacticMatches, 5 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5241 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1935, Invalid=12827, Unknown=0, NotChecked=0, Total=14762 [2018-11-23 02:31:35,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18640 states. [2018-11-23 02:31:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18640 to 17943. [2018-11-23 02:31:35,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17943 states. [2018-11-23 02:31:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 20699 transitions. [2018-11-23 02:31:35,834 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 20699 transitions. Word has length 877 [2018-11-23 02:31:35,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:35,835 INFO L480 AbstractCegarLoop]: Abstraction has 17943 states and 20699 transitions. [2018-11-23 02:31:35,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 02:31:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 20699 transitions. [2018-11-23 02:31:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2018-11-23 02:31:35,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:35,853 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:31:35,853 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:35,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2008873634, now seen corresponding path program 1 times [2018-11-23 02:31:35,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:31:35,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:35,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:35,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:35,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:31:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 817 proven. 1395 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2018-11-23 02:31:37,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:37,575 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:31:37,575 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1044 with the following transitions: [2018-11-23 02:31:37,575 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-11-23 02:31:37,577 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:31:37,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:31:41,457 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:31:41,457 INFO L272 AbstractInterpreter]: Visited 193 different actions 775 times. Merged at 11 different actions 36 times. Never widened. Performed 8495 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8495 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 02:31:41,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:41,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:31:41,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:31:41,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/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 02:31:41,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:41,465 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:31:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:41,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 1216 proven. 2 refuted. 0 times theorem prover too weak. 1996 trivial. 0 not checked. [2018-11-23 02:31:41,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:31:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 1216 proven. 2 refuted. 0 times theorem prover too weak. 1996 trivial. 0 not checked. [2018-11-23 02:31:42,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:31:42,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 19 [2018-11-23 02:31:42,609 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:31:42,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 02:31:42,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 02:31:42,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:31:42,610 INFO L87 Difference]: Start difference. First operand 17943 states and 20699 transitions. Second operand 18 states. [2018-11-23 02:31:46,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:46,348 INFO L93 Difference]: Finished difference Result 35933 states and 41868 transitions. [2018-11-23 02:31:46,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-23 02:31:46,349 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1043 [2018-11-23 02:31:46,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:46,349 INFO L225 Difference]: With dead ends: 35933 [2018-11-23 02:31:46,349 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:31:46,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2147 GetRequests, 2102 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=474, Invalid=1596, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 02:31:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:31:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:31:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:31:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:31:46,390 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1043 [2018-11-23 02:31:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:46,390 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:31:46,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 02:31:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:31:46,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:31:46,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:31:46,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,682 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 233 [2018-11-23 02:31:46,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:31:46,826 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 217 [2018-11-23 02:31:47,425 WARN L180 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 71 [2018-11-23 02:31:47,928 WARN L180 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2018-11-23 02:31:48,306 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 62 [2018-11-23 02:31:48,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 02:31:48,308 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,309 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 02:31:48,310 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,311 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,312 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 02:31:48,313 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse11 (= ~a15~0 |old(~a15~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= 8 |old(~a15~0)|))) (let ((.cse4 (= 0 |old(~a21~0)|)) (.cse1 (not .cse7)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse3 (and .cse9 .cse12 (= 8 ~a15~0) (= ~a24~0 1))) (.cse8 (< 6 |old(~a21~0)|)) (.cse0 (not (= 1 |old(~a24~0)|))) (.cse6 (and .cse9 .cse10 .cse12 .cse11)) (.cse5 (= 6 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 8 |old(~a21~0)|)) .cse3) (or .cse4 .cse3 (< 76 |old(~a12~0)|) .cse0 .cse1 .cse2) (or (< 0 (+ |old(~a12~0)| 49)) .cse5 .cse6 .cse7 .cse8) (or .cse6 .cse0 (< 11 |old(~a12~0)|) .cse7) (or (and (or (not (= 7 |old(~a21~0)|)) .cse1) (or (not (= 10 |old(~a21~0)|)) .cse1)) .cse0 .cse2 .cse3) (or (not (= 9 |old(~a21~0)|)) .cse0 (and .cse9 .cse10 (= ~a21~0 9) .cse11) (<= |old(~a12~0)| 80) .cse7) (or .cse4 .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse6 (< 8 |old(~a21~0)|) .cse0 .cse7) (or .cse0 .cse6 .cse5 .cse7)))) [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 02:31:48,314 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 02:31:48,315 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 02:31:48,316 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 02:31:48,317 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 02:31:48,318 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 02:31:48,319 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 02:31:48,320 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 02:31:48,321 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 02:31:48,322 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-23 02:31:48,323 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= 6 ~a15~0))) (.cse5 (= 1 ~a24~0)) (.cse0 (not (= ~a15~0 8))) (.cse6 (not (= ~a21~0 0))) (.cse3 (not (= main_~input~0 0))) (.cse4 (= ~a24~0 1)) (.cse2 (<= ~a21~0 6))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 (<= (+ ~a12~0 49) 0) .cse2) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse3 (or (= ~a21~0 7) (= ~a21~0 10)) .cse4 (= ~a15~0 |old(~a15~0)|)) (and .cse5 .cse0 (<= ~a12~0 11)) (and .cse5 .cse0 .cse1) (and .cse3 (= ~a21~0 8) .cse4) (and .cse6 .cse3 (<= ~a12~0 76) .cse4 .cse1) (and .cse5 (<= ~a21~0 8) .cse0) (and .cse5 .cse0 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 1 |old(~a24~0)|)) (and .cse6 .cse3 .cse4 .cse2))) [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 02:31:48,323 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 02:31:48,324 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse4 (= ~a15~0 8))) (let ((.cse1 (not (= 6 ~a15~0))) (.cse6 (not (= ~a21~0 0))) (.cse3 (= ~a24~0 1)) (.cse2 (<= ~a21~0 6)) (.cse5 (= 1 ~a24~0)) (.cse0 (not .cse4))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 (<= (+ ~a12~0 49) 0) .cse2) (not (= 7 |old(~a21~0)|)) (or (and .cse3 (= ~a21~0 7)) (and .cse4 .cse3 (= ~a21~0 10))) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse3 (= ~a21~0 8)) (and .cse5 .cse0 (<= ~a12~0 11)) (and .cse6 (<= ~a12~0 76) .cse3 .cse1) (and .cse5 .cse0 .cse1) (and .cse6 .cse3 .cse2) (and .cse5 (<= ~a21~0 8) .cse0) (and .cse5 .cse0 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 1 |old(~a24~0)|))))) [2018-11-23 02:31:48,324 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 02:31:48,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:31:48 BoogieIcfgContainer [2018-11-23 02:31:48,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:31:48,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:31:48,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:31:48,335 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:31:48,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:19" (3/4) ... [2018-11-23 02:31:48,338 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:31:48,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:31:48,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 02:31:48,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:31:48,354 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:31:48,355 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:31:48,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(8 == \old(a15)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || !(7 == \old(a21))) || (a24 == 1 && a21 == 7) || ((a15 == 8 && a24 == 1) && a21 == 10)) || !(0 == \old(a12) + 49)) || (a24 == 1 && a21 == 8)) || ((1 == a24 && !(a15 == 8)) && a12 <= 11)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || ((1 == a24 && !(a15 == 8)) && !(6 == a15))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6)) || ((1 == a24 && a21 <= 8) && !(a15 == 8))) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(1 == \old(a24)) [2018-11-23 02:31:48,446 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b9d8317-d534-4fd1-aeca-3fdaee905e95/bin-2019/utaipan/witness.graphml [2018-11-23 02:31:48,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:31:48,447 INFO L168 Benchmark]: Toolchain (without parser) took 150661.01 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 948.9 MB in the beginning and 1.5 GB in the end (delta: -528.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,447 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:48,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.37 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 905.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 905.9 MB in the beginning and 1.2 GB in the end (delta: -252.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,448 INFO L168 Benchmark]: Boogie Preprocessor took 53.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,448 INFO L168 Benchmark]: RCFGBuilder took 947.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,448 INFO L168 Benchmark]: TraceAbstraction took 149072.96 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -446.5 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-23 02:31:48,449 INFO L168 Benchmark]: Witness Printer took 111.70 ms. Allocated memory is still 5.0 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:48,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.37 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 905.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 905.9 MB in the beginning and 1.2 GB in the end (delta: -252.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 947.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 149072.96 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -446.5 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 111.70 ms. Allocated memory is still 5.0 GB. Free memory is still 1.5 GB. There was no memory consumed. 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: 880]: Loop Invariant Derived loop invariant: (((((((((((!(8 == \old(a15)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || !(7 == \old(a21))) || (a24 == 1 && a21 == 7) || ((a15 == 8 && a24 == 1) && a21 == 10)) || !(0 == \old(a12) + 49)) || (a24 == 1 && a21 == 8)) || ((1 == a24 && !(a15 == 8)) && a12 <= 11)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || ((1 == a24 && !(a15 == 8)) && !(6 == a15))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6)) || ((1 == a24 && a21 <= 8) && !(a15 == 8))) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 149.0s OverallTime, 11 OverallIterations, 9 TraceHistogramMax, 96.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1873 SDtfs, 27475 SDslu, 3494 SDs, 0 SdLazy, 36605 SolverSat, 5315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 9064 GetRequests, 8726 SyntacticMatches, 13 SemanticMatches, 325 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7119 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17943occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 34.7s AbstIntTime, 9 AbstIntIterations, 4 AbstIntStrong, 0.997232125188237 AbsIntWeakeningRatio, 0.0908445706174592 AbsIntAvgWeakeningVarsNumRemoved, 16.119233498935415 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1176 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 272 PreInvPairs, 414 NumberOfFragments, 612 HoareAnnotationTreeSize, 272 FomulaSimplifications, 12534 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16354 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 8847 NumberOfCodeBlocks, 8847 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 12426 ConstructedInterpolants, 0 QuantifiedInterpolants, 46370604 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5230 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 23453/28119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...