./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:40:44,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:40:44,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:40:44,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:40:44,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:40:44,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:40:44,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:40:44,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:40:44,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:40:44,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:40:44,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:40:44,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:40:44,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:40:44,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:40:44,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:40:44,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:40:44,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:40:44,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:40:44,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:40:44,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:40:44,475 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:40:44,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:40:44,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:40:44,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:40:44,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:40:44,478 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:40:44,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:40:44,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:40:44,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:40:44,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:40:44,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:40:44,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:40:44,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:40:44,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:40:44,483 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:40:44,483 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:40:44,483 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:40:44,493 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:40:44,493 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:40:44,493 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:40:44,493 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:40:44,494 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:40:44,494 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:40:44,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:40:44,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:40:44,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:40:44,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:40:44,496 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:40:44,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:44,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:40:44,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:40:44,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:40:44,498 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:40:44,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:40:44,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:40:44,498 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:40:44,498 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_ee9d0144-0260-44f8-9127-fd29407670f6/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-11-23 13:40:44,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:40:44,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:40:44,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:40:44,534 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:40:44,534 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:40:44,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 13:40:44,573 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/data/8b92b6e60/56fbbf45bbcb47d8a224954f588c7d3e/FLAG4e5f71670 [2018-11-23 13:40:45,063 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:40:45,064 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 13:40:45,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/data/8b92b6e60/56fbbf45bbcb47d8a224954f588c7d3e/FLAG4e5f71670 [2018-11-23 13:40:45,551 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/data/8b92b6e60/56fbbf45bbcb47d8a224954f588c7d3e [2018-11-23 13:40:45,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:40:45,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:40:45,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:45,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:40:45,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:40:45,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:45,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45, skipping insertion in model container [2018-11-23 13:40:45,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:45,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:40:45,604 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:40:45,842 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:45,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:40:45,913 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:45,979 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:40:45,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45 WrapperNode [2018-11-23 13:40:45,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:45,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:45,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:40:45,980 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:40:45,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:45,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:46,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:40:46,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:40:46,005 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:40:46,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... [2018-11-23 13:40:46,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:40:46,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:40:46,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:40:46,056 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:40:46,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:40:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:40:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:40:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 13:40:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 13:40:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:40:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:40:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:40:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:40:47,004 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:40:47,005 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:40:47,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:47 BoogieIcfgContainer [2018-11-23 13:40:47,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:40:47,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:40:47,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:40:47,007 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:40:47,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:40:45" (1/3) ... [2018-11-23 13:40:47,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6957169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:47, skipping insertion in model container [2018-11-23 13:40:47,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:45" (2/3) ... [2018-11-23 13:40:47,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6957169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:47, skipping insertion in model container [2018-11-23 13:40:47,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:47" (3/3) ... [2018-11-23 13:40:47,010 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-23 13:40:47,016 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:40:47,022 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:40:47,032 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:40:47,055 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:40:47,055 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:40:47,055 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:40:47,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:40:47,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:40:47,055 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:40:47,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:40:47,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:40:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 13:40:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 13:40:47,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:47,081 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:47,083 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:47,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:47,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2018-11-23 13:40:47,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:47,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:47,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:47,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:47,119 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:47,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:47,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:40:47,393 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:47,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:40:47,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:40:47,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:40:47,407 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 13:40:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:47,946 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 13:40:47,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:40:47,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-23 13:40:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:47,958 INFO L225 Difference]: With dead ends: 547 [2018-11-23 13:40:47,958 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 13:40:47,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:40:47,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 13:40:48,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 13:40:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 13:40:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 551 transitions. [2018-11-23 13:40:48,007 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 551 transitions. Word has length 119 [2018-11-23 13:40:48,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:48,007 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 551 transitions. [2018-11-23 13:40:48,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:40:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 551 transitions. [2018-11-23 13:40:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 13:40:48,012 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:48,012 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:48,012 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:48,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:48,013 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2018-11-23 13:40:48,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:48,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:48,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:48,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:48,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:48,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:48,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:40:48,115 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:48,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:40:48,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:40:48,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:40:48,117 INFO L87 Difference]: Start difference. First operand 338 states and 551 transitions. Second operand 6 states. [2018-11-23 13:40:48,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:48,807 INFO L93 Difference]: Finished difference Result 1067 states and 1827 transitions. [2018-11-23 13:40:48,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:40:48,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 13:40:48,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:48,814 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 13:40:48,814 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 13:40:48,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:40:48,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 13:40:48,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 13:40:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 13:40:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1141 transitions. [2018-11-23 13:40:48,850 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1141 transitions. Word has length 129 [2018-11-23 13:40:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:48,850 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1141 transitions. [2018-11-23 13:40:48,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:40:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1141 transitions. [2018-11-23 13:40:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 13:40:48,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:48,855 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:48,855 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:48,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:48,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2018-11-23 13:40:48,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:48,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:48,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:48,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:48,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:49,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:49,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:40:49,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:49,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:40:49,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:40:49,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:40:49,074 INFO L87 Difference]: Start difference. First operand 720 states and 1141 transitions. Second operand 5 states. [2018-11-23 13:40:49,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:49,552 INFO L93 Difference]: Finished difference Result 1569 states and 2524 transitions. [2018-11-23 13:40:49,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:40:49,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-23 13:40:49,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:49,558 INFO L225 Difference]: With dead ends: 1569 [2018-11-23 13:40:49,558 INFO L226 Difference]: Without dead ends: 717 [2018-11-23 13:40:49,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:40:49,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-23 13:40:49,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-11-23 13:40:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-23 13:40:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1065 transitions. [2018-11-23 13:40:49,585 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1065 transitions. Word has length 130 [2018-11-23 13:40:49,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:49,586 INFO L480 AbstractCegarLoop]: Abstraction has 717 states and 1065 transitions. [2018-11-23 13:40:49,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:40:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1065 transitions. [2018-11-23 13:40:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 13:40:49,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:49,589 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:49,589 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:49,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1052025540, now seen corresponding path program 1 times [2018-11-23 13:40:49,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:49,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:49,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:49,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:49,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:49,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:49,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:40:49,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:49,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:40:49,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:40:49,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:40:49,865 INFO L87 Difference]: Start difference. First operand 717 states and 1065 transitions. Second operand 5 states. [2018-11-23 13:40:50,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:50,348 INFO L93 Difference]: Finished difference Result 1563 states and 2356 transitions. [2018-11-23 13:40:50,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:40:50,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-23 13:40:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:50,353 INFO L225 Difference]: With dead ends: 1563 [2018-11-23 13:40:50,353 INFO L226 Difference]: Without dead ends: 716 [2018-11-23 13:40:50,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:40:50,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2018-11-23 13:40:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2018-11-23 13:40:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2018-11-23 13:40:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1058 transitions. [2018-11-23 13:40:50,373 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1058 transitions. Word has length 131 [2018-11-23 13:40:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:50,373 INFO L480 AbstractCegarLoop]: Abstraction has 716 states and 1058 transitions. [2018-11-23 13:40:50,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:40:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1058 transitions. [2018-11-23 13:40:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 13:40:50,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:50,376 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:50,376 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:50,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:50,376 INFO L82 PathProgramCache]: Analyzing trace with hash -866015874, now seen corresponding path program 1 times [2018-11-23 13:40:50,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:50,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:50,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:50,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:50,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:50,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:50,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:40:50,450 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:50,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:40:50,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:40:50,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:40:50,451 INFO L87 Difference]: Start difference. First operand 716 states and 1058 transitions. Second operand 3 states. [2018-11-23 13:40:50,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:50,742 INFO L93 Difference]: Finished difference Result 1871 states and 2809 transitions. [2018-11-23 13:40:50,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:40:50,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-23 13:40:50,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:50,747 INFO L225 Difference]: With dead ends: 1871 [2018-11-23 13:40:50,747 INFO L226 Difference]: Without dead ends: 1161 [2018-11-23 13:40:50,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:40:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2018-11-23 13:40:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1157. [2018-11-23 13:40:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2018-11-23 13:40:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1585 transitions. [2018-11-23 13:40:50,777 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1585 transitions. Word has length 134 [2018-11-23 13:40:50,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:50,778 INFO L480 AbstractCegarLoop]: Abstraction has 1157 states and 1585 transitions. [2018-11-23 13:40:50,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:40:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1585 transitions. [2018-11-23 13:40:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 13:40:50,783 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:50,783 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:50,783 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:50,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:50,783 INFO L82 PathProgramCache]: Analyzing trace with hash -494413009, now seen corresponding path program 1 times [2018-11-23 13:40:50,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:50,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:50,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:50,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:50,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:50,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:40:50,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:40:50,887 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 13:40:50,889 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:40:50,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:40:50,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:40:51,297 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:40:51,298 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1586 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1586 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-23 13:40:51,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:51,321 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:40:51,698 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 80.43% of their original sizes. [2018-11-23 13:40:51,698 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:40:51,718 INFO L415 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-11-23 13:40:51,718 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:40:51,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:40:51,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 13:40:51,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:51,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:40:51,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:40:51,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:40:51,720 INFO L87 Difference]: Start difference. First operand 1157 states and 1585 transitions. Second operand 6 states. [2018-11-23 13:40:54,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:54,247 INFO L93 Difference]: Finished difference Result 2444 states and 3334 transitions. [2018-11-23 13:40:54,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:40:54,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-23 13:40:54,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:54,250 INFO L225 Difference]: With dead ends: 2444 [2018-11-23 13:40:54,251 INFO L226 Difference]: Without dead ends: 1293 [2018-11-23 13:40:54,252 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:40:54,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2018-11-23 13:40:54,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1292. [2018-11-23 13:40:54,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2018-11-23 13:40:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 1726 transitions. [2018-11-23 13:40:54,275 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 1726 transitions. Word has length 165 [2018-11-23 13:40:54,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:54,275 INFO L480 AbstractCegarLoop]: Abstraction has 1292 states and 1726 transitions. [2018-11-23 13:40:54,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:40:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1726 transitions. [2018-11-23 13:40:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 13:40:54,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:54,278 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:54,278 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:54,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:54,279 INFO L82 PathProgramCache]: Analyzing trace with hash 267773236, now seen corresponding path program 1 times [2018-11-23 13:40:54,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:54,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:54,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:54,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:54,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 13:40:54,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:40:54,358 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:40:54,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-23 13:40:54,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:40:54,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:40:54,363 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:40:54,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:40:54,555 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3170 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3170 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 13:40:54,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:54,565 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:40:54,836 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 81.86% of their original sizes. [2018-11-23 13:40:54,836 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:40:54,905 INFO L415 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-11-23 13:40:54,905 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:40:54,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:40:54,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 13:40:54,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:54,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:40:54,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:40:54,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:40:54,906 INFO L87 Difference]: Start difference. First operand 1292 states and 1726 transitions. Second operand 10 states. [2018-11-23 13:40:56,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:56,634 INFO L93 Difference]: Finished difference Result 2582 states and 3504 transitions. [2018-11-23 13:40:56,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 13:40:56,635 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-11-23 13:40:56,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:56,640 INFO L225 Difference]: With dead ends: 2582 [2018-11-23 13:40:56,640 INFO L226 Difference]: Without dead ends: 1431 [2018-11-23 13:40:56,643 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 13:40:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2018-11-23 13:40:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1429. [2018-11-23 13:40:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2018-11-23 13:40:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1873 transitions. [2018-11-23 13:40:56,671 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1873 transitions. Word has length 173 [2018-11-23 13:40:56,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:56,671 INFO L480 AbstractCegarLoop]: Abstraction has 1429 states and 1873 transitions. [2018-11-23 13:40:56,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:40:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1873 transitions. [2018-11-23 13:40:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 13:40:56,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:56,677 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:56,677 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:56,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:56,678 INFO L82 PathProgramCache]: Analyzing trace with hash -208954254, now seen corresponding path program 1 times [2018-11-23 13:40:56,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:56,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:56,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:56,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:56,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 95 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 13:40:56,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:40:56,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:40:56,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-23 13:40:56,795 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:40:56,799 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:40:56,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:40:56,993 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:40:56,993 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3233 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 13:40:56,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:56,995 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:40:57,253 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 81.82% of their original sizes. [2018-11-23 13:40:57,253 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:40:57,302 INFO L415 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2018-11-23 13:40:57,302 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:40:57,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:40:57,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 13:40:57,303 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:40:57,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:40:57,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:40:57,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:40:57,304 INFO L87 Difference]: Start difference. First operand 1429 states and 1873 transitions. Second operand 10 states. [2018-11-23 13:40:59,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:59,779 INFO L93 Difference]: Finished difference Result 2857 states and 3801 transitions. [2018-11-23 13:40:59,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 13:40:59,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2018-11-23 13:40:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:59,785 INFO L225 Difference]: With dead ends: 2857 [2018-11-23 13:40:59,785 INFO L226 Difference]: Without dead ends: 1706 [2018-11-23 13:40:59,788 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:40:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2018-11-23 13:40:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1704. [2018-11-23 13:40:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2018-11-23 13:40:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2170 transitions. [2018-11-23 13:40:59,824 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2170 transitions. Word has length 206 [2018-11-23 13:40:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:59,824 INFO L480 AbstractCegarLoop]: Abstraction has 1704 states and 2170 transitions. [2018-11-23 13:40:59,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:40:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2170 transitions. [2018-11-23 13:40:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 13:40:59,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:59,830 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:40:59,830 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:59,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:59,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1391123469, now seen corresponding path program 1 times [2018-11-23 13:40:59,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:59,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:59,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:59,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:59,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 13:40:59,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:40:59,943 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:40:59,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-11-23 13:40:59,943 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:40:59,947 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:40:59,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:00,357 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:41:00,357 INFO L272 AbstractInterpreter]: Visited 126 different actions 505 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Performed 7100 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7100 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 13:41:00,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:00,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:41:00,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:00,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:41:00,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:00,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:41:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:00,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 13:41:00,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 44 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 13:41:00,736 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:41:00,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 13:41:00,737 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:41:00,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:41:00,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:41:00,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:41:00,738 INFO L87 Difference]: Start difference. First operand 1704 states and 2170 transitions. Second operand 11 states. [2018-11-23 13:41:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:01,663 INFO L93 Difference]: Finished difference Result 3566 states and 4686 transitions. [2018-11-23 13:41:01,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 13:41:01,664 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 214 [2018-11-23 13:41:01,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:01,668 INFO L225 Difference]: With dead ends: 3566 [2018-11-23 13:41:01,669 INFO L226 Difference]: Without dead ends: 2278 [2018-11-23 13:41:01,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 429 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-23 13:41:01,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2018-11-23 13:41:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2270. [2018-11-23 13:41:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-11-23 13:41:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2848 transitions. [2018-11-23 13:41:01,701 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2848 transitions. Word has length 214 [2018-11-23 13:41:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:01,701 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 2848 transitions. [2018-11-23 13:41:01,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:41:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2848 transitions. [2018-11-23 13:41:01,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 13:41:01,705 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:01,706 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:01,706 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:01,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:01,706 INFO L82 PathProgramCache]: Analyzing trace with hash -745426057, now seen corresponding path program 2 times [2018-11-23 13:41:01,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:01,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:01,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:01,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:01,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 13:41:01,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:01,783 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:01,783 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 13:41:01,783 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 13:41:01,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:01,784 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:41:01,793 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 13:41:01,794 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 13:41:01,833 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 13:41:01,834 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 13:41:01,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 13:41:01,886 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 13:41:01,943 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:41:01,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 13:41:01,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:01,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:41:01,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:41:01,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:41:01,944 INFO L87 Difference]: Start difference. First operand 2270 states and 2848 transitions. Second operand 3 states. [2018-11-23 13:41:02,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:02,244 INFO L93 Difference]: Finished difference Result 4533 states and 5942 transitions. [2018-11-23 13:41:02,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:41:02,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-11-23 13:41:02,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:02,249 INFO L225 Difference]: With dead ends: 4533 [2018-11-23 13:41:02,249 INFO L226 Difference]: Without dead ends: 2816 [2018-11-23 13:41:02,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:41:02,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2018-11-23 13:41:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2681. [2018-11-23 13:41:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2018-11-23 13:41:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3308 transitions. [2018-11-23 13:41:02,285 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3308 transitions. Word has length 214 [2018-11-23 13:41:02,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:02,285 INFO L480 AbstractCegarLoop]: Abstraction has 2681 states and 3308 transitions. [2018-11-23 13:41:02,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:41:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3308 transitions. [2018-11-23 13:41:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 13:41:02,290 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:02,290 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:02,290 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:02,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:02,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1531847136, now seen corresponding path program 1 times [2018-11-23 13:41:02,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:02,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:02,291 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:41:02,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:02,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:41:02,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:02,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:02,417 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-23 13:41:02,417 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:41:02,420 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:02,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:02,866 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:41:02,866 INFO L272 AbstractInterpreter]: Visited 124 different actions 491 times. Merged at 7 different actions 25 times. Never widened. Performed 6759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 13:41:02,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:02,873 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:41:03,092 INFO L227 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 83.73% of their original sizes. [2018-11-23 13:41:03,092 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:41:03,153 INFO L415 sIntCurrentIteration]: We unified 225 AI predicates to 225 [2018-11-23 13:41:03,154 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:41:03,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:41:03,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-23 13:41:03,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:03,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:41:03,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:41:03,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:41:03,155 INFO L87 Difference]: Start difference. First operand 2681 states and 3308 transitions. Second operand 10 states. [2018-11-23 13:41:06,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:06,326 INFO L93 Difference]: Finished difference Result 6540 states and 8350 transitions. [2018-11-23 13:41:06,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 13:41:06,326 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2018-11-23 13:41:06,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:06,335 INFO L225 Difference]: With dead ends: 6540 [2018-11-23 13:41:06,335 INFO L226 Difference]: Without dead ends: 4412 [2018-11-23 13:41:06,338 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 238 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2018-11-23 13:41:06,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2018-11-23 13:41:06,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4238. [2018-11-23 13:41:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4238 states. [2018-11-23 13:41:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5065 transitions. [2018-11-23 13:41:06,387 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5065 transitions. Word has length 226 [2018-11-23 13:41:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:06,388 INFO L480 AbstractCegarLoop]: Abstraction has 4238 states and 5065 transitions. [2018-11-23 13:41:06,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:41:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5065 transitions. [2018-11-23 13:41:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 13:41:06,394 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:06,394 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:06,394 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:06,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1500835844, now seen corresponding path program 1 times [2018-11-23 13:41:06,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:06,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:06,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:06,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:06,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 140 proven. 83 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 13:41:06,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:06,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:06,531 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-11-23 13:41:06,531 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:41:06,534 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:06,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:06,944 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:41:06,945 INFO L272 AbstractInterpreter]: Visited 127 different actions 511 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 7137 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7137 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-23 13:41:06,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:06,952 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:41:06,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:06,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:41:07,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:07,041 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:41:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:07,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-11-23 13:41:07,149 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 145 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 13:41:07,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:41:07,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 13:41:07,229 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:41:07,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 13:41:07,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 13:41:07,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 13:41:07,230 INFO L87 Difference]: Start difference. First operand 4238 states and 5065 transitions. Second operand 12 states. [2018-11-23 13:41:09,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:09,318 INFO L93 Difference]: Finished difference Result 14101 states and 18227 transitions. [2018-11-23 13:41:09,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 13:41:09,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 261 [2018-11-23 13:41:09,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:09,349 INFO L225 Difference]: With dead ends: 14101 [2018-11-23 13:41:09,349 INFO L226 Difference]: Without dead ends: 10141 [2018-11-23 13:41:09,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 553 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 13:41:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10141 states. [2018-11-23 13:41:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10141 to 9480. [2018-11-23 13:41:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9480 states. [2018-11-23 13:41:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9480 states to 9480 states and 11605 transitions. [2018-11-23 13:41:09,555 INFO L78 Accepts]: Start accepts. Automaton has 9480 states and 11605 transitions. Word has length 261 [2018-11-23 13:41:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:09,555 INFO L480 AbstractCegarLoop]: Abstraction has 9480 states and 11605 transitions. [2018-11-23 13:41:09,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 13:41:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 9480 states and 11605 transitions. [2018-11-23 13:41:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 13:41:09,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:09,583 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:09,583 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:09,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:09,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1701515942, now seen corresponding path program 1 times [2018-11-23 13:41:09,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:09,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:09,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:09,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:09,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 164 proven. 101 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 13:41:09,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:09,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:09,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-11-23 13:41:09,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 13:41:09,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:09,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:10,046 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:41:10,046 INFO L272 AbstractInterpreter]: Visited 127 different actions 630 times. Merged at 9 different actions 39 times. Never widened. Performed 8759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 13:41:10,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:10,049 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:41:10,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:10,049 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:41:10,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:10,057 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:41:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:10,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 13:41:10,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 13:41:10,263 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:41:10,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 13:41:10,264 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:41:10,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:41:10,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:41:10,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:41:10,265 INFO L87 Difference]: Start difference. First operand 9480 states and 11605 transitions. Second operand 9 states. [2018-11-23 13:41:11,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:11,390 INFO L93 Difference]: Finished difference Result 20090 states and 26728 transitions. [2018-11-23 13:41:11,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 13:41:11,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2018-11-23 13:41:11,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:11,392 INFO L225 Difference]: With dead ends: 20090 [2018-11-23 13:41:11,392 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:41:11,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 549 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2018-11-23 13:41:11,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:41:11,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:41:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:41:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:41:11,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2018-11-23 13:41:11,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:11,433 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:41:11,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:41:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:41:11,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:41:11,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:41:11,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:11,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,414 WARN L180 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 184 [2018-11-23 13:41:12,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:12,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:13,099 WARN L180 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 204 [2018-11-23 13:41:14,279 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 276 DAG size of output: 99 [2018-11-23 13:41:14,892 WARN L180 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 79 [2018-11-23 13:41:15,514 WARN L180 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 80 [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,516 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 13:41:15,517 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,518 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 13:41:15,519 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,520 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 13:41:15,521 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse37 (= ~a8~0 13)) (.cse15 (= 1 |old(~a21~0)|)) (.cse1 (= 13 |old(~a8~0)|))) (let ((.cse23 (not (= 4 |old(~a16~0)|))) (.cse30 (not .cse1)) (.cse7 (not (= 0 |old(~a7~0)|))) (.cse8 (not .cse15)) (.cse10 (not (= 8 ~a12~0))) (.cse21 (= 1 |old(~a17~0)|)) (.cse5 (= ~a8~0 15)) (.cse36 (= 1 |old(~a7~0)|)) (.cse24 (= 1 ~a7~0)) (.cse31 (= |old(~a20~0)| ~a20~0)) (.cse32 (not (= ~a8~0 0))) (.cse27 (= |old(~a16~0)| ~a16~0)) (.cse33 (= ~a21~0 1)) (.cse12 (not .cse37)) (.cse34 (= ~a7~0 |old(~a7~0)|)) (.cse35 (= ~a17~0 |old(~a17~0)|))) (let ((.cse9 (and .cse31 .cse32 .cse27 .cse33 .cse12 .cse34 .cse35)) (.cse20 (and .cse24 .cse31 .cse35 .cse27 .cse12)) (.cse17 (< 0 |old(~a17~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse14 (and (not .cse33) .cse24 .cse31 .cse35 .cse27)) (.cse16 (not .cse36)) (.cse19 (and .cse31 .cse27 (or .cse5 (and (= ~a16~0 4) .cse37)) .cse33 .cse34 .cse35)) (.cse11 (= 0 |old(~a8~0)|)) (.cse4 (not (= 1 |old(~a20~0)|))) (.cse25 (= 1 ~a20~0)) (.cse26 (= 13 ~a8~0)) (.cse28 (= 1 ~a21~0)) (.cse29 (= 1 ~a17~0)) (.cse13 (not .cse21)) (.cse3 (and (or .cse7 .cse8 .cse23 .cse10 .cse30) (or .cse7 .cse8 (not (= 15 |old(~a8~0)|)) .cse10))) (.cse22 (and .cse5 .cse31 .cse27 .cse33 .cse34 .cse35)) (.cse6 (= 0 |old(~a16~0)|)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse18 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse4 .cse9 .cse1 .cse6 .cse10 .cse2 .cse11) (or .cse7 .cse8 .cse4 .cse12 .cse1 .cse6 .cse10 .cse2 .cse11 .cse13) (or .cse14 (or .cse4 .cse15 .cse10) .cse16) (or .cse0 .cse7 .cse8 .cse1 .cse6 .cse10 .cse17 .cse2 .cse11 .cse9 .cse18) (or .cse3 .cse4 .cse6 .cse19 .cse17 .cse2) (or .cse0 .cse1 .cse20 .cse10 .cse16 .cse17 .cse18) (or (or .cse3 .cse4 .cse1 .cse6 .cse2) .cse21 .cse22) (or .cse0 .cse20 (not (= |old(~a20~0)| 1)) .cse1 .cse10 .cse16 .cse17) (or .cse0 .cse15 .cse10 .cse16 .cse18 .cse14) (or .cse8 .cse4 .cse23 (and .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) .cse10 .cse16 .cse30 .cse13) (or .cse3 .cse6 .cse21 .cse2 .cse19 .cse18) (or .cse7 .cse8 .cse4 (and .cse31 .cse32 .cse27 .cse33 .cse34 .cse35) .cse6 .cse10 .cse2 .cse11 .cse13) (or .cse8 .cse36 .cse4 .cse23 .cse10 (and (not (= ~a7~0 1)) .cse25 .cse26 .cse27 .cse28 .cse29) .cse30 .cse13) (or .cse3 .cse22 .cse1 .cse6 .cse2 .cse18))))) [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 13:41:15,522 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 13:41:15,523 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,524 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:41:15,525 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 13:41:15,525 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:41:15,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:41:15,526 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 13:41:15,526 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 13:41:15,526 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse14 (= ~a8~0 13)) (.cse1 (= ~a7~0 0)) (.cse2 (not (= ~a16~0 0))) (.cse5 (= ~a21~0 1))) (let ((.cse0 (= 1 ~a20~0)) (.cse9 (not .cse5)) (.cse10 (= 1 ~a7~0)) (.cse12 (<= ~a17~0 0)) (.cse6 (or (and .cse1 (= ~a16~0 4) .cse14) (and .cse1 .cse2 (= ~a8~0 15)))) (.cse7 (<= ~a20~0 0)) (.cse3 (not (= main_~input~0 0))) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse4 (not (= ~a8~0 0))) (.cse8 (not .cse14)) (.cse11 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (and .cse1 .cse2 .cse3 .cse0 (= ~a17~0 |old(~a17~0)|) .cse4 .cse5) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse3 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse0) (and .cse3 .cse0 .cse5 .cse6 .cse8) (and .cse10 .cse0 .cse11 .cse12 .cse8) (and .cse9 .cse10 .cse11 .cse7) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse13 .cse12 .cse5 .cse6) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse11 .cse12 .cse8 .cse7) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse12 .cse5 .cse8 .cse7) (and .cse3 .cse5 .cse6 (not (= ~a17~0 1)) .cse7) (and .cse2 .cse3 .cse13 .cse4 .cse5 .cse8 .cse1 .cse11)))) [2018-11-23 13:41:15,526 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 13:41:15,526 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 13:41:15,526 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse14 (= ~a8~0 13)) (.cse1 (= ~a7~0 0)) (.cse2 (not (= ~a16~0 0))) (.cse6 (= ~a21~0 1))) (let ((.cse0 (= 1 ~a20~0)) (.cse12 (not (= main_~input~0 0))) (.cse11 (or (and .cse1 (= ~a16~0 4) .cse14 .cse6) (and .cse1 .cse2 (= ~a8~0 15) .cse6))) (.cse9 (not .cse6)) (.cse10 (= 1 ~a7~0)) (.cse4 (not (= ~a16~0 6))) (.cse5 (<= ~a17~0 0)) (.cse7 (not .cse14)) (.cse8 (<= ~a20~0 0)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse3 (not (= ~a8~0 0)))) (or (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse0) (and .cse10 .cse0 .cse4 .cse5 .cse7) (and .cse11 .cse8 .cse7) (and (and .cse0 .cse4 .cse11) .cse5) (and .cse12 .cse0 .cse11 .cse7) (and .cse12 .cse11 (not (= ~a17~0 1)) .cse8) (and .cse9 .cse10 .cse4 .cse8) (and .cse1 .cse2 .cse13 .cse3 .cse4 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse4 .cse5 .cse7 .cse8) (and .cse1 .cse2 .cse13 (= ~a17~0 |old(~a17~0)|) .cse3 .cse6)))) [2018-11-23 13:41:15,526 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 13:41:15,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:41:15 BoogieIcfgContainer [2018-11-23 13:41:15,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:41:15,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:41:15,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:41:15,540 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:41:15,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:47" (3/4) ... [2018-11-23 13:41:15,547 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:41:15,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:41:15,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 13:41:15,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:41:15,563 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:41:15,564 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:41:15,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == \old(a20)) || !(5 == \old(a16))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(1 == \old(a21))) || !(8 == a12)) || (((((((a7 == 0 && !(a16 == 0)) && !(a8 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a21 == 1) && 1 == a7) && 1 == a20)) || ((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && !(a8 == 13))) || ((((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1)) && a20 <= 0) && !(a8 == 13))) || (((1 == a20 && !(a16 == 6)) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && a17 <= 0)) || (((!(input == 0) && 1 == a20) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && !(a8 == 13))) || (((!(input == 0) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && !(a17 == 1)) && a20 <= 0)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && !(a8 == 13))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && !(a8 == 13)) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && a17 == \old(a17)) && !(a8 == 0)) && a21 == 1) [2018-11-23 13:41:15,644 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee9d0144-0260-44f8-9127-fd29407670f6/bin-2019/utaipan/witness.graphml [2018-11-23 13:41:15,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:41:15,645 INFO L168 Benchmark]: Toolchain (without parser) took 30091.23 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -291.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,645 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-23 13:41:15,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.56 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,646 INFO L168 Benchmark]: Boogie Preprocessor took 50.38 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,646 INFO L168 Benchmark]: RCFGBuilder took 949.03 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,646 INFO L168 Benchmark]: TraceAbstraction took 28534.16 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -274.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,647 INFO L168 Benchmark]: Witness Printer took 104.45 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:15,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.56 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.38 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 949.03 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28534.16 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -274.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 104.45 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == \old(a20)) || !(5 == \old(a16))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(1 == \old(a21))) || !(8 == a12)) || (((((((a7 == 0 && !(a16 == 0)) && !(a8 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a21 == 1) && 1 == a7) && 1 == a20)) || ((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && !(a8 == 13))) || ((((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1)) && a20 <= 0) && !(a8 == 13))) || (((1 == a20 && !(a16 == 6)) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && a17 <= 0)) || (((!(input == 0) && 1 == a20) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && !(a8 == 13))) || (((!(input == 0) && ((((a7 == 0 && a16 == 4) && a8 == 13) && a21 == 1) || (((a7 == 0 && !(a16 == 0)) && a8 == 15) && a21 == 1))) && !(a17 == 1)) && a20 <= 0)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && !(a8 == 13))) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && !(a8 == 13)) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && \old(a20) == a20) && a17 == \old(a17)) && !(a8 == 0)) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 28.4s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 17.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1677 SDtfs, 11063 SDslu, 2296 SDs, 0 SdLazy, 13603 SolverSat, 2515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2887 GetRequests, 2710 SyntacticMatches, 12 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9480occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9973553009729057 AbsIntWeakeningRatio, 0.206266318537859 AbsIntAvgWeakeningVarsNumRemoved, 28.986945169712794 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1002 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 488 PreInvPairs, 1008 NumberOfFragments, 1583 HoareAnnotationTreeSize, 488 FomulaSimplifications, 51372 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22266 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3331 NumberOfCodeBlocks, 3267 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4269 ConstructedInterpolants, 0 QuantifiedInterpolants, 2395055 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2394 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 2793/3233 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...