./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 0.1.23-5842f4b [2018-11-18 11:28:29,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:28:29,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:28:29,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:28:29,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:28:29,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:28:29,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:28:29,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:28:29,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:28:29,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:28:29,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:28:29,616 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:28:29,617 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:28:29,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:28:29,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:28:29,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:28:29,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:28:29,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:28:29,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:28:29,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:28:29,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:28:29,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:28:29,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:28:29,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:28:29,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:28:29,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:28:29,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:28:29,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:28:29,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:28:29,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:28:29,629 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:28:29,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:28:29,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:28:29,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:28:29,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:28:29,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:28:29,631 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:28:29,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:28:29,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:28:29,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:28:29,641 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:28:29,641 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:28:29,642 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:28:29,642 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:28:29,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:28:29,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:28:29,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:28:29,643 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:28:29,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:28:29,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:28:29,644 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:28:29,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:28:29,645 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:28:29,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:28:29,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:28:29,645 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:28:29,645 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_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:28:29,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:28:29,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:28:29,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:28:29,680 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:28:29,680 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:28:29,681 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-18 11:28:29,727 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/data/c13687f50/6da47d40eb604f56a6d1c64c66c7250a/FLAG1afc83515 [2018-11-18 11:28:30,140 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:28:30,141 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-11-18 11:28:30,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/data/c13687f50/6da47d40eb604f56a6d1c64c66c7250a/FLAG1afc83515 [2018-11-18 11:28:30,162 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/data/c13687f50/6da47d40eb604f56a6d1c64c66c7250a [2018-11-18 11:28:30,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:28:30,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:28:30,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:28:30,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:28:30,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:28:30,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30, skipping insertion in model container [2018-11-18 11:28:30,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:28:30,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:28:30,476 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:28:30,479 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:28:30,569 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:28:30,582 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:28:30,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30 WrapperNode [2018-11-18 11:28:30,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:28:30,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:28:30,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:28:30,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:28:30,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:28:30,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:28:30,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:28:30,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:28:30,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... [2018-11-18 11:28:30,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:28:30,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:28:30,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:28:30,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:28:30,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:28:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:28:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:28:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:28:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:28:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:28:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:28:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:28:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:28:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:28:31,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:28:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:31 BoogieIcfgContainer [2018-11-18 11:28:31,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:28:31,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:28:31,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:28:31,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:28:31,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:28:30" (1/3) ... [2018-11-18 11:28:31,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:28:31, skipping insertion in model container [2018-11-18 11:28:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:28:30" (2/3) ... [2018-11-18 11:28:31,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:28:31, skipping insertion in model container [2018-11-18 11:28:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:31" (3/3) ... [2018-11-18 11:28:31,619 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label32_true-unreach-call_false-termination.c [2018-11-18 11:28:31,625 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:28:31,631 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:28:31,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:28:31,663 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:28:31,663 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:28:31,663 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:28:31,663 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:28:31,663 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:28:31,663 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:28:31,663 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:28:31,664 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:28:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 11:28:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:28:31,686 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:28:31,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:31,689 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:28:31,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1019361724, now seen corresponding path program 1 times [2018-11-18 11:28:31,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:28:31,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:31,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:31,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:31,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:28:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:28:31,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:28:31,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:28:31,927 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:28:31,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:28:31,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:28:31,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:28:31,940 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-18 11:28:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:28:32,958 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-11-18 11:28:32,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:28:32,959 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 11:28:32,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:28:32,970 INFO L225 Difference]: With dead ends: 894 [2018-11-18 11:28:32,970 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 11:28:32,974 INFO L604 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 [2018-11-18 11:28:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 11:28:33,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-11-18 11:28:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-11-18 11:28:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 962 transitions. [2018-11-18 11:28:33,026 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 962 transitions. Word has length 62 [2018-11-18 11:28:33,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:28:33,027 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 962 transitions. [2018-11-18 11:28:33,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:28:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 962 transitions. [2018-11-18 11:28:33,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 11:28:33,032 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:28:33,032 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:28:33,033 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:28:33,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:33,033 INFO L82 PathProgramCache]: Analyzing trace with hash 585274651, now seen corresponding path program 1 times [2018-11-18 11:28:33,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:28:33,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:33,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:33,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:33,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:28:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:28:33,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:28:33,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:28:33,180 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:28:33,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:28:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:28:33,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:28:33,182 INFO L87 Difference]: Start difference. First operand 633 states and 962 transitions. Second operand 4 states. [2018-11-18 11:28:34,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:28:34,071 INFO L93 Difference]: Finished difference Result 2170 states and 3490 transitions. [2018-11-18 11:28:34,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:28:34,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 175 [2018-11-18 11:28:34,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:28:34,081 INFO L225 Difference]: With dead ends: 2170 [2018-11-18 11:28:34,082 INFO L226 Difference]: Without dead ends: 1543 [2018-11-18 11:28:34,086 INFO L604 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 [2018-11-18 11:28:34,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2018-11-18 11:28:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1543. [2018-11-18 11:28:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2018-11-18 11:28:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2271 transitions. [2018-11-18 11:28:34,137 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2271 transitions. Word has length 175 [2018-11-18 11:28:34,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:28:34,138 INFO L480 AbstractCegarLoop]: Abstraction has 1543 states and 2271 transitions. [2018-11-18 11:28:34,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:28:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2271 transitions. [2018-11-18 11:28:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 11:28:34,144 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:28:34,145 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 11:28:34,145 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:28:34,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:34,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2093465648, now seen corresponding path program 1 times [2018-11-18 11:28:34,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:28:34,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:34,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:34,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:34,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:28:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 132 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:28:34,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:28:34,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:28:34,435 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-11-18 11:28:34,437 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:28:34,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:28:34,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:28:37,009 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:28:37,010 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 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. [2018-11-18 11:28:37,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:37,015 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:28:39,084 INFO L227 lantSequenceWeakener]: Weakened 241 states. On average, predicates are now at 78.14% of their original sizes. [2018-11-18 11:28:39,084 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:28:39,122 INFO L415 sIntCurrentIteration]: We unified 249 AI predicates to 249 [2018-11-18 11:28:39,122 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:28:39,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:28:39,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 11:28:39,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:28:39,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:28:39,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:28:39,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:28:39,125 INFO L87 Difference]: Start difference. First operand 1543 states and 2271 transitions. Second operand 6 states. [2018-11-18 11:28:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:28:49,982 INFO L93 Difference]: Finished difference Result 3265 states and 4776 transitions. [2018-11-18 11:28:49,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:28:49,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 250 [2018-11-18 11:28:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:28:49,989 INFO L225 Difference]: With dead ends: 3265 [2018-11-18 11:28:49,989 INFO L226 Difference]: Without dead ends: 1728 [2018-11-18 11:28:49,993 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 250 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:28:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2018-11-18 11:28:50,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1726. [2018-11-18 11:28:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1726 states. [2018-11-18 11:28:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2461 transitions. [2018-11-18 11:28:50,028 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2461 transitions. Word has length 250 [2018-11-18 11:28:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:28:50,028 INFO L480 AbstractCegarLoop]: Abstraction has 1726 states and 2461 transitions. [2018-11-18 11:28:50,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:28:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2461 transitions. [2018-11-18 11:28:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 11:28:50,035 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:28:50,035 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 11:28:50,035 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:28:50,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2144924513, now seen corresponding path program 1 times [2018-11-18 11:28:50,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:28:50,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:50,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:28:50,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:28:50,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:28:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:28:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 253 proven. 142 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:28:50,757 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:28:50,757 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:28:50,757 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-11-18 11:28:50,758 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:28:50,762 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:28:50,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:28:54,553 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:28:54,553 INFO L272 AbstractInterpreter]: Visited 122 different actions 237 times. Merged at 4 different actions 4 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. [2018-11-18 11:28:54,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:28:54,560 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:28:56,143 INFO L227 lantSequenceWeakener]: Weakened 332 states. On average, predicates are now at 77.98% of their original sizes. [2018-11-18 11:28:56,143 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:28:56,204 INFO L415 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2018-11-18 11:28:56,205 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:28:56,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:28:56,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-18 11:28:56,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:28:56,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:28:56,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:28:56,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:28:56,206 INFO L87 Difference]: Start difference. First operand 1726 states and 2461 transitions. Second operand 10 states. [2018-11-18 11:29:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:26,285 INFO L93 Difference]: Finished difference Result 4011 states and 5680 transitions. [2018-11-18 11:29:26,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:29:26,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 335 [2018-11-18 11:29:26,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:26,291 INFO L225 Difference]: With dead ends: 4011 [2018-11-18 11:29:26,291 INFO L226 Difference]: Without dead ends: 2474 [2018-11-18 11:29:26,294 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 343 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:29:26,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2018-11-18 11:29:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2471. [2018-11-18 11:29:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2471 states. [2018-11-18 11:29:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 3294 transitions. [2018-11-18 11:29:26,326 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 3294 transitions. Word has length 335 [2018-11-18 11:29:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:26,326 INFO L480 AbstractCegarLoop]: Abstraction has 2471 states and 3294 transitions. [2018-11-18 11:29:26,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:29:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 3294 transitions. [2018-11-18 11:29:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-18 11:29:26,331 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:26,331 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 11:29:26,331 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:26,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:26,332 INFO L82 PathProgramCache]: Analyzing trace with hash 2090809000, now seen corresponding path program 1 times [2018-11-18 11:29:26,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:26,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:26,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:26,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:26,333 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 316 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 11:29:26,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:26,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:26,472 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 383 with the following transitions: [2018-11-18 11:29:26,472 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:29:26,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:26,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:26,557 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:29:26,557 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 times. Merged at 5 different actions 5 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. [2018-11-18 11:29:26,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:26,564 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:29:26,732 INFO L227 lantSequenceWeakener]: Weakened 379 states. On average, predicates are now at 77.89% of their original sizes. [2018-11-18 11:29:26,732 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:29:26,785 INFO L415 sIntCurrentIteration]: We unified 381 AI predicates to 381 [2018-11-18 11:29:26,785 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:29:26,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:29:26,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 11:29:26,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:29:26,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:29:26,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:29:26,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:29:26,787 INFO L87 Difference]: Start difference. First operand 2471 states and 3294 transitions. Second operand 10 states. [2018-11-18 11:29:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:43,712 INFO L93 Difference]: Finished difference Result 4941 states and 6630 transitions. [2018-11-18 11:29:43,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:29:43,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 382 [2018-11-18 11:29:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:43,719 INFO L225 Difference]: With dead ends: 4941 [2018-11-18 11:29:43,719 INFO L226 Difference]: Without dead ends: 2659 [2018-11-18 11:29:43,723 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 389 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 11:29:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-18 11:29:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2656. [2018-11-18 11:29:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2656 states. [2018-11-18 11:29:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3493 transitions. [2018-11-18 11:29:43,771 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3493 transitions. Word has length 382 [2018-11-18 11:29:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:43,772 INFO L480 AbstractCegarLoop]: Abstraction has 2656 states and 3493 transitions. [2018-11-18 11:29:43,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:29:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3493 transitions. [2018-11-18 11:29:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2018-11-18 11:29:43,784 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:43,784 INFO L375 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, 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] [2018-11-18 11:29:43,785 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:43,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:43,785 INFO L82 PathProgramCache]: Analyzing trace with hash 737515992, now seen corresponding path program 1 times [2018-11-18 11:29:43,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:43,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:43,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:43,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:43,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 368 proven. 257 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:29:44,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:44,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:44,124 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 463 with the following transitions: [2018-11-18 11:29:44,124 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:29:44,128 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:44,128 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:47,692 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:29:47,692 INFO L272 AbstractInterpreter]: Visited 121 different actions 362 times. Merged at 7 different actions 21 times. Never widened. Performed 3436 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3436 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:29:47,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:47,693 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:29:48,396 INFO L227 lantSequenceWeakener]: Weakened 459 states. On average, predicates are now at 80.44% of their original sizes. [2018-11-18 11:29:48,396 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:29:48,429 INFO L415 sIntCurrentIteration]: We unified 461 AI predicates to 461 [2018-11-18 11:29:48,429 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:29:48,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:29:48,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-18 11:29:48,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:29:48,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:29:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:29:48,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:29:48,430 INFO L87 Difference]: Start difference. First operand 2656 states and 3493 transitions. Second operand 9 states. [2018-11-18 11:29:58,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:58,743 INFO L93 Difference]: Finished difference Result 5623 states and 7744 transitions. [2018-11-18 11:29:58,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:29:58,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 462 [2018-11-18 11:29:58,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:58,752 INFO L225 Difference]: With dead ends: 5623 [2018-11-18 11:29:58,752 INFO L226 Difference]: Without dead ends: 3341 [2018-11-18 11:29:58,757 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 468 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:29:58,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2018-11-18 11:29:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3311. [2018-11-18 11:29:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3311 states. [2018-11-18 11:29:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4296 transitions. [2018-11-18 11:29:58,815 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4296 transitions. Word has length 462 [2018-11-18 11:29:58,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:58,816 INFO L480 AbstractCegarLoop]: Abstraction has 3311 states and 4296 transitions. [2018-11-18 11:29:58,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:29:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4296 transitions. [2018-11-18 11:29:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-11-18 11:29:58,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:58,824 INFO L375 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, 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] [2018-11-18 11:29:58,824 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:58,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:58,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1478583272, now seen corresponding path program 1 times [2018-11-18 11:29:58,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:58,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:58,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:58,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:58,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 373 proven. 253 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2018-11-18 11:29:59,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:59,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:59,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 521 with the following transitions: [2018-11-18 11:29:59,059 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:29:59,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:59,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:30:04,300 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:30:04,300 INFO L272 AbstractInterpreter]: Visited 125 different actions 502 times. Merged at 10 different actions 38 times. Never widened. Performed 4724 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4724 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:30:04,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:04,302 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:30:04,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:04,302 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:30:04,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:04,309 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:30:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:04,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:30:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2018-11-18 11:30:04,577 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:30:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 373 proven. 253 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2018-11-18 11:30:04,791 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:30:04,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 11:30:04,791 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:30:04,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:30:04,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:30:04,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:30:04,792 INFO L87 Difference]: Start difference. First operand 3311 states and 4296 transitions. Second operand 9 states. [2018-11-18 11:30:07,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:07,498 INFO L93 Difference]: Finished difference Result 8977 states and 12987 transitions. [2018-11-18 11:30:07,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 11:30:07,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 520 [2018-11-18 11:30:07,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:30:07,514 INFO L225 Difference]: With dead ends: 8977 [2018-11-18 11:30:07,514 INFO L226 Difference]: Without dead ends: 5671 [2018-11-18 11:30:07,523 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1090 GetRequests, 1057 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2018-11-18 11:30:07,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2018-11-18 11:30:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 5642. [2018-11-18 11:30:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5642 states. [2018-11-18 11:30:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 7258 transitions. [2018-11-18 11:30:07,618 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 7258 transitions. Word has length 520 [2018-11-18 11:30:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:30:07,618 INFO L480 AbstractCegarLoop]: Abstraction has 5642 states and 7258 transitions. [2018-11-18 11:30:07,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:30:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 7258 transitions. [2018-11-18 11:30:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2018-11-18 11:30:07,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:30:07,630 INFO L375 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, 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] [2018-11-18 11:30:07,630 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:30:07,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:07,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1162330899, now seen corresponding path program 1 times [2018-11-18 11:30:07,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:30:07,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:07,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:07,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:07,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:30:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 595 proven. 427 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-18 11:30:08,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:08,317 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:30:08,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 566 with the following transitions: [2018-11-18 11:30:08,317 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:30:08,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:30:08,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:30:15,810 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:30:15,811 INFO L272 AbstractInterpreter]: Visited 125 different actions 493 times. Merged at 10 different actions 29 times. Never widened. Performed 4763 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4763 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:30:15,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:15,816 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:30:15,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:15,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:30:15,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:15,823 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:30:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:15,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:30:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2018-11-18 11:30:16,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:30:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2018-11-18 11:30:16,184 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:30:16,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2018-11-18 11:30:16,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:30:16,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:30:16,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:30:16,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:30:16,186 INFO L87 Difference]: Start difference. First operand 5642 states and 7258 transitions. Second operand 3 states. [2018-11-18 11:30:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:16,680 INFO L93 Difference]: Finished difference Result 13374 states and 17959 transitions. [2018-11-18 11:30:16,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:30:16,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 565 [2018-11-18 11:30:16,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:30:16,704 INFO L225 Difference]: With dead ends: 13374 [2018-11-18 11:30:16,705 INFO L226 Difference]: Without dead ends: 8106 [2018-11-18 11:30:16,718 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1145 GetRequests, 1130 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:30:16,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8106 states. [2018-11-18 11:30:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8106 to 8104. [2018-11-18 11:30:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8104 states. [2018-11-18 11:30:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8104 states to 8104 states and 10670 transitions. [2018-11-18 11:30:16,839 INFO L78 Accepts]: Start accepts. Automaton has 8104 states and 10670 transitions. Word has length 565 [2018-11-18 11:30:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:30:16,840 INFO L480 AbstractCegarLoop]: Abstraction has 8104 states and 10670 transitions. [2018-11-18 11:30:16,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:30:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 8104 states and 10670 transitions. [2018-11-18 11:30:16,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2018-11-18 11:30:16,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:30:16,860 INFO L375 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, 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] [2018-11-18 11:30:16,860 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:30:16,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:16,861 INFO L82 PathProgramCache]: Analyzing trace with hash 27258291, now seen corresponding path program 1 times [2018-11-18 11:30:16,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:30:16,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:16,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:16,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:16,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:30:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 595 proven. 460 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-18 11:30:17,764 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:17,764 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:30:17,764 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 614 with the following transitions: [2018-11-18 11:30:17,764 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:30:17,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:30:17,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:30:25,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:30:25,153 INFO L272 AbstractInterpreter]: Visited 155 different actions 614 times. Merged at 9 different actions 30 times. Never widened. Performed 6499 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6499 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:30:25,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:25,160 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:30:25,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:25,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:30:25,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:25,166 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:30:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:25,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:30:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 902 proven. 2 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-11-18 11:30:25,359 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:30:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1236 backedges. 444 proven. 144 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-11-18 11:30:25,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:30:25,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-18 11:30:25,636 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:30:25,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 11:30:25,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 11:30:25,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:30:25,637 INFO L87 Difference]: Start difference. First operand 8104 states and 10670 transitions. Second operand 17 states. [2018-11-18 11:30:29,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:29,159 INFO L93 Difference]: Finished difference Result 20861 states and 30005 transitions. [2018-11-18 11:30:29,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 11:30:29,160 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 613 [2018-11-18 11:30:29,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:30:29,195 INFO L225 Difference]: With dead ends: 20861 [2018-11-18 11:30:29,195 INFO L226 Difference]: Without dead ends: 12061 [2018-11-18 11:30:29,222 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1305 GetRequests, 1248 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=652, Invalid=2770, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 11:30:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12061 states. [2018-11-18 11:30:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12061 to 11797. [2018-11-18 11:30:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11797 states. [2018-11-18 11:30:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11797 states to 11797 states and 13959 transitions. [2018-11-18 11:30:29,354 INFO L78 Accepts]: Start accepts. Automaton has 11797 states and 13959 transitions. Word has length 613 [2018-11-18 11:30:29,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:30:29,354 INFO L480 AbstractCegarLoop]: Abstraction has 11797 states and 13959 transitions. [2018-11-18 11:30:29,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 11:30:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 11797 states and 13959 transitions. [2018-11-18 11:30:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2018-11-18 11:30:29,366 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:30:29,366 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:29,367 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:30:29,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:29,367 INFO L82 PathProgramCache]: Analyzing trace with hash 766546503, now seen corresponding path program 1 times [2018-11-18 11:30:29,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:30:29,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:29,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:29,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:29,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:30:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 702 proven. 897 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-11-18 11:30:30,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:30,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:30:30,558 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 852 with the following transitions: [2018-11-18 11:30:30,558 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], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [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], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:30:30,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:30:30,560 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:30:34,717 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:30:34,717 INFO L272 AbstractInterpreter]: Visited 192 different actions 772 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 8445 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8445 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:30:34,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:34,720 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:30:34,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:34,720 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:30:34,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:34,726 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:30:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:34,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:30:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 1356 proven. 2 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2018-11-18 11:30:35,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:30:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 823 proven. 142 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2018-11-18 11:30:35,658 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:30:35,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 20 [2018-11-18 11:30:35,659 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:30:35,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 11:30:35,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 11:30:35,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:30:35,660 INFO L87 Difference]: Start difference. First operand 11797 states and 13959 transitions. Second operand 18 states. [2018-11-18 11:30:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:42,370 INFO L93 Difference]: Finished difference Result 25672 states and 31400 transitions. [2018-11-18 11:30:42,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 11:30:42,370 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 851 [2018-11-18 11:30:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:30:42,396 INFO L225 Difference]: With dead ends: 25672 [2018-11-18 11:30:42,396 INFO L226 Difference]: Without dead ends: 14064 [2018-11-18 11:30:42,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1799 GetRequests, 1724 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1519 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=917, Invalid=3775, Unknown=0, NotChecked=0, Total=4692 [2018-11-18 11:30:42,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14064 states. [2018-11-18 11:30:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14064 to 13773. [2018-11-18 11:30:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13773 states. [2018-11-18 11:30:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13773 states to 13773 states and 16299 transitions. [2018-11-18 11:30:42,559 INFO L78 Accepts]: Start accepts. Automaton has 13773 states and 16299 transitions. Word has length 851 [2018-11-18 11:30:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:30:42,560 INFO L480 AbstractCegarLoop]: Abstraction has 13773 states and 16299 transitions. [2018-11-18 11:30:42,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 11:30:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 13773 states and 16299 transitions. [2018-11-18 11:30:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2018-11-18 11:30:42,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:30:42,573 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2018-11-18 11:30:42,573 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:30:42,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:42,573 INFO L82 PathProgramCache]: Analyzing trace with hash -430718764, now seen corresponding path program 1 times [2018-11-18 11:30:42,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:30:42,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:42,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:42,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:42,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:30:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 899 proven. 891 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 11:30:44,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:44,203 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:30:44,203 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 885 with the following transitions: [2018-11-18 11:30:44,203 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], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:30:44,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:30:44,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:30:48,327 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:30:48,327 INFO L272 AbstractInterpreter]: Visited 193 different actions 780 times. Merged at 10 different actions 44 times. Widened at 1 different actions 2 times. Performed 8598 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8598 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 11:30:48,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:48,332 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:30:48,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:48,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/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 [2018-11-18 11:30:48,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:48,338 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:30:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:48,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:30:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 1405 proven. 2 refuted. 0 times theorem prover too weak. 717 trivial. 0 not checked. [2018-11-18 11:30:48,668 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:30:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 856 proven. 142 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2018-11-18 11:30:49,151 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:30:49,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 22 [2018-11-18 11:30:49,151 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:30:49,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 11:30:49,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 11:30:49,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-11-18 11:30:49,153 INFO L87 Difference]: Start difference. First operand 13773 states and 16299 transitions. Second operand 20 states. [2018-11-18 11:30:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:30:57,363 INFO L93 Difference]: Finished difference Result 34124 states and 41407 transitions. [2018-11-18 11:30:57,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-11-18 11:30:57,363 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 884 [2018-11-18 11:30:57,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:30:57,410 INFO L225 Difference]: With dead ends: 34124 [2018-11-18 11:30:57,410 INFO L226 Difference]: Without dead ends: 20542 [2018-11-18 11:30:57,440 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1976 GetRequests, 1852 SyntacticMatches, 5 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5133 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1922, Invalid=12598, Unknown=0, NotChecked=0, Total=14520 [2018-11-18 11:30:57,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20542 states. [2018-11-18 11:30:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20542 to 19949. [2018-11-18 11:30:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19949 states. [2018-11-18 11:30:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19949 states to 19949 states and 23123 transitions. [2018-11-18 11:30:57,702 INFO L78 Accepts]: Start accepts. Automaton has 19949 states and 23123 transitions. Word has length 884 [2018-11-18 11:30:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:30:57,702 INFO L480 AbstractCegarLoop]: Abstraction has 19949 states and 23123 transitions. [2018-11-18 11:30:57,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 11:30:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 19949 states and 23123 transitions. [2018-11-18 11:30:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2018-11-18 11:30:57,728 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:30:57,728 INFO L375 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:30:57,728 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:30:57,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:30:57,729 INFO L82 PathProgramCache]: Analyzing trace with hash -41743705, now seen corresponding path program 1 times [2018-11-18 11:30:57,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:30:57,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:57,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:30:57,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:30:57,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:30:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:30:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 1230 proven. 997 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2018-11-18 11:30:59,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:30:59,245 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:30:59,245 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1060 with the following transitions: [2018-11-18 11:30:59,245 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], [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], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 11:30:59,248 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:30:59,248 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:31:03,412 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:31:03,412 INFO L272 AbstractInterpreter]: Visited 195 different actions 783 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 8651 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8651 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 11:31:03,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:31:03,415 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:31:03,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:31:03,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:31:03,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:31:03,461 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:31:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:31:03,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:31:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 1238 proven. 2 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2018-11-18 11:31:03,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:31:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3271 backedges. 1238 proven. 2 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2018-11-18 11:31:04,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:31:04,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 21 [2018-11-18 11:31:04,573 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:31:04,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 11:31:04,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 11:31:04,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2018-11-18 11:31:04,574 INFO L87 Difference]: Start difference. First operand 19949 states and 23123 transitions. Second operand 20 states. [2018-11-18 11:31:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:31:08,155 INFO L93 Difference]: Finished difference Result 39112 states and 47431 transitions. [2018-11-18 11:31:08,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 11:31:08,155 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1059 [2018-11-18 11:31:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:31:08,156 INFO L225 Difference]: With dead ends: 39112 [2018-11-18 11:31:08,157 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:31:08,199 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2198 GetRequests, 2142 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=660, Invalid=2310, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 11:31:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:31:08,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:31:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:31:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:31:08,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1059 [2018-11-18 11:31:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:31:08,200 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:31:08,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 11:31:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:31:08,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:31:08,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:31:08,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:08,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,008 WARN L180 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 287 [2018-11-18 11:31:09,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:31:09,633 WARN L180 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 302 [2018-11-18 11:31:10,272 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 65 [2018-11-18 11:31:10,842 WARN L180 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 61 [2018-11-18 11:31:11,488 WARN L180 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 58 [2018-11-18 11:31:11,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L421 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)|)) [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:31:11,490 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 11:31:11,491 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,492 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 11:31:11,493 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,494 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:31:11,495 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a24~0 |old(~a24~0)|)) (.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= 8 |old(~a15~0)|))) (let ((.cse8 (= 0 |old(~a21~0)|)) (.cse5 (not .cse1)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse7 (and .cse2 .cse4 (= 8 ~a15~0) (= ~a24~0 1))) (.cse11 (< 6 |old(~a21~0)|)) (.cse0 (not (= 1 |old(~a24~0)|))) (.cse10 (and .cse2 .cse3 .cse4 (= ~a15~0 |old(~a15~0)|))) (.cse9 (= 6 |old(~a15~0)|))) (and (or (not (= 9 |old(~a21~0)|)) (< |old(~a12~0)| 81) .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~a15~0)| ~a15~0))) (or .cse0 .cse5 .cse6 (not (= 8 |old(~a21~0)|)) .cse7) (or .cse8 .cse7 (< 76 |old(~a12~0)|) .cse0 .cse5 .cse6) (or (not (= 10 |old(~a21~0)|)) .cse0 .cse5 .cse7 .cse6) (or (< 0 (+ |old(~a12~0)| 49)) .cse9 .cse10 .cse1 .cse11) (or .cse10 .cse0 (< 11 |old(~a12~0)|) .cse1) (or .cse8 .cse0 .cse5 .cse6 .cse7 .cse11) (or .cse10 (< 8 |old(~a21~0)|) .cse0 .cse1) (or .cse0 .cse10 .cse9 .cse1)))) [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:31:11,496 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 11:31:11,497 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,498 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 11:31:11,499 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:31:11,500 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,501 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 11:31:11,502 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,503 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 11:31:11,504 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:31:11,505 INFO L421 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)) [2018-11-18 11:31:11,505 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:31:11,505 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:31:11,506 INFO L421 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)))) [2018-11-18 11:31:11,506 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:31:11,506 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse5 (<= ~a21~0 6)) (.cse0 (= 1 ~a24~0)) (.cse1 (not (= ~a15~0 8))) (.cse2 (not (= ~a21~0 0))) (.cse3 (not (= main_~input~0 0))) (.cse4 (= ~a24~0 1)) (.cse6 (not (= 6 ~a15~0)))) (or (not (= 7 |old(~a21~0)|)) (and .cse0 .cse1 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 1 |old(~a24~0)|)) (and .cse2 .cse3 .cse4 .cse5) (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) .cse1 (<= ~a12~0 11)) (and .cse1 .cse6 (<= (+ ~a12~0 49) 0) .cse5) (and .cse0 (<= ~a21~0 8) .cse1) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse0 .cse1 .cse6) (and .cse3 (= ~a21~0 8) .cse4) (and .cse3 (= ~a21~0 10) (= 8 ~a15~0) .cse4) (and .cse2 .cse3 (<= ~a12~0 76) .cse4 .cse6))) [2018-11-18 11:31:11,506 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 11:31:11,506 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 11:31:11,506 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 11:31:11,506 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse4 (= ~a15~0 8))) (let ((.cse0 (= 1 ~a24~0)) (.cse1 (not .cse4)) (.cse2 (not (= 6 ~a15~0))) (.cse6 (not (= ~a21~0 0))) (.cse5 (= ~a24~0 1)) (.cse3 (<= ~a21~0 6))) (or (not (= 7 |old(~a21~0)|)) (and .cse0 .cse1 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (and (= ~a24~0 |old(~a24~0)|) .cse1 (<= ~a12~0 11)) (and .cse1 .cse2 (<= (+ ~a12~0 49) 0) .cse3) (and .cse0 (<= ~a21~0 8) .cse1) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse0 .cse1 .cse2) (and (= ~a21~0 10) (and .cse4 .cse5)) (and .cse5 (= ~a21~0 8)) (and .cse6 (<= ~a12~0 76) .cse5 .cse2) (and .cse6 .cse5 .cse3)))) [2018-11-18 11:31:11,506 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 11:31:11,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:31:11 BoogieIcfgContainer [2018-11-18 11:31:11,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:31:11,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:31:11,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:31:11,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:31:11,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:28:31" (3/4) ... [2018-11-18 11:31:11,519 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:31:11,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:31:11,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:31:11,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:31:11,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:31:11,535 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:31:11,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(7 == \old(a21)) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(1 == \old(a24))) || !(8 == \old(a15))) || ((a24 == \old(a24) && !(a15 == 8)) && a12 <= 11)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || ((1 == a24 && a21 <= 8) && !(a15 == 8))) || !(0 == \old(a12) + 49)) || ((1 == a24 && !(a15 == 8)) && !(6 == a15))) || (a21 == 10 && a15 == 8 && a24 == 1)) || (a24 == 1 && a21 == 8)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6) [2018-11-18 11:31:11,646 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_582816ea-aa22-47f8-b0b8-48efd3a259dd/bin-2019/utaipan/witness.graphml [2018-11-18 11:31:11,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:31:11,647 INFO L168 Benchmark]: Toolchain (without parser) took 161482.11 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 956.4 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,647 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:11,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -226.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,648 INFO L168 Benchmark]: Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,648 INFO L168 Benchmark]: RCFGBuilder took 894.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,648 INFO L168 Benchmark]: TraceAbstraction took 159900.76 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 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:31:11,649 INFO L168 Benchmark]: Witness Printer took 130.48 ms. Allocated memory is still 5.0 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:31:11,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 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 81.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -226.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 894.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.6 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 159900.76 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 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 130.48 ms. Allocated memory is still 5.0 GB. Free memory is still 2.8 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: (((((((((((!(7 == \old(a21)) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(1 == \old(a24))) || !(8 == \old(a15))) || ((a24 == \old(a24) && !(a15 == 8)) && a12 <= 11)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || ((1 == a24 && a21 <= 8) && !(a15 == 8))) || !(0 == \old(a12) + 49)) || ((1 == a24 && !(a15 == 8)) && !(6 == a15))) || (a21 == 10 && a15 == 8 && a24 == 1)) || (a24 == 1 && a21 == 8)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 159.8s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 95.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1992 SDtfs, 33565 SDslu, 3661 SDs, 0 SdLazy, 40747 SolverSat, 6488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 10974 GetRequests, 10558 SyntacticMatches, 21 SemanticMatches, 395 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8813 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19949occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 42.6s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9972632030808604 AbsIntWeakeningRatio, 0.08982456140350877 AbsIntAvgWeakeningVarsNumRemoved, 16.033684210526317 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 1217 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 377 PreInvPairs, 641 NumberOfFragments, 590 HoareAnnotationTreeSize, 377 FomulaSimplifications, 37647 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22402 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 10650 NumberOfCodeBlocks, 10650 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 15118 ConstructedInterpolants, 0 QuantifiedInterpolants, 52503664 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6456 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 29646/34718 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...