./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_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_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:00:48,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:00:48,383 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:00:48,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:00:48,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:00:48,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:00:48,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:00:48,395 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:00:48,396 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:00:48,397 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:00:48,398 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:00:48,398 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:00:48,399 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:00:48,400 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:00:48,401 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:00:48,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:00:48,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:00:48,404 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:00:48,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:00:48,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:00:48,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:00:48,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:00:48,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:00:48,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:00:48,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:00:48,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:00:48,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:00:48,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:00:48,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:00:48,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:00:48,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:00:48,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:00:48,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:00:48,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:00:48,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:00:48,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:00:48,419 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:00:48,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:00:48,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:00:48,431 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:00:48,431 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:00:48,431 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:00:48,431 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:00:48,431 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:00:48,431 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:00:48,432 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:00:48,432 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:00:48,432 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:00:48,432 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:00:48,432 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:00:48,433 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:00:48,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:00:48,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:00:48,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:00:48,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:00:48,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:00:48,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:00:48,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:00:48,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:00:48,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:00:48,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:00:48,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:00:48,436 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:00:48,436 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_890a6e54-6485-4147-a935-bc853cef61bc/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-23 00:00:48,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:00:48,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:00:48,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:00:48,473 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:00:48,474 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:00:48,474 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-23 00:00:48,515 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/data/90501a42a/581fc286135644039052164eea6caf3f/FLAGbcbf0a1b3 [2018-11-23 00:00:48,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:00:48,923 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-23 00:00:48,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/data/90501a42a/581fc286135644039052164eea6caf3f/FLAGbcbf0a1b3 [2018-11-23 00:00:49,290 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/data/90501a42a/581fc286135644039052164eea6caf3f [2018-11-23 00:00:49,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:00:49,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:00:49,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:00:49,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:00:49,298 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:00:49,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49, skipping insertion in model container [2018-11-23 00:00:49,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:00:49,349 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:00:49,602 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:00:49,606 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:00:49,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:00:49,690 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:00:49,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49 WrapperNode [2018-11-23 00:00:49,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:00:49,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:00:49,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:00:49,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:00:49,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:00:49,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:00:49,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:00:49,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:00:49,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... [2018-11-23 00:00:49,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:00:49,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:00:49,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:00:49,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:00:49,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/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 00:00:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:00:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:00:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:00:49,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 00:00:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 00:00:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:00:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:00:49,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:00:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:00:50,801 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:00:50,801 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:00:50,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:50 BoogieIcfgContainer [2018-11-23 00:00:50,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:00:50,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:00:50,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:00:50,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:00:50,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:00:49" (1/3) ... [2018-11-23 00:00:50,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:00:50, skipping insertion in model container [2018-11-23 00:00:50,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:00:49" (2/3) ... [2018-11-23 00:00:50,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:00:50, skipping insertion in model container [2018-11-23 00:00:50,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:50" (3/3) ... [2018-11-23 00:00:50,808 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-11-23 00:00:50,814 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:00:50,820 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:00:50,830 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:00:50,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:00:50,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:00:50,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:00:50,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:00:50,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:00:50,857 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:00:50,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:00:50,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:00:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 00:00:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 00:00:50,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:50,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:50,890 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:50,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:50,894 INFO L82 PathProgramCache]: Analyzing trace with hash -152148385, now seen corresponding path program 1 times [2018-11-23 00:00:50,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:50,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:50,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:50,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:50,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:51,269 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 00:00:51,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:51,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:00:51,272 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:51,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:00:51,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:00:51,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:00:51,288 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-11-23 00:00:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:52,223 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-11-23 00:00:52,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:00:52,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-11-23 00:00:52,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:52,239 INFO L225 Difference]: With dead ends: 698 [2018-11-23 00:00:52,240 INFO L226 Difference]: Without dead ends: 485 [2018-11-23 00:00:52,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:00:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-23 00:00:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 338. [2018-11-23 00:00:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 00:00:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 569 transitions. [2018-11-23 00:00:52,297 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 569 transitions. Word has length 131 [2018-11-23 00:00:52,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:52,298 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 569 transitions. [2018-11-23 00:00:52,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:00:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 569 transitions. [2018-11-23 00:00:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 00:00:52,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:52,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:52,304 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:52,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:52,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1159631208, now seen corresponding path program 1 times [2018-11-23 00:00:52,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:52,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:52,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:52,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:52,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:52,402 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 00:00:52,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:52,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:00:52,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:52,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:00:52,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:00:52,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:00:52,405 INFO L87 Difference]: Start difference. First operand 338 states and 569 transitions. Second operand 6 states. [2018-11-23 00:00:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:53,046 INFO L93 Difference]: Finished difference Result 875 states and 1506 transitions. [2018-11-23 00:00:53,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:00:53,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-23 00:00:53,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:53,054 INFO L225 Difference]: With dead ends: 875 [2018-11-23 00:00:53,054 INFO L226 Difference]: Without dead ends: 543 [2018-11-23 00:00:53,056 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 00:00:53,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-11-23 00:00:53,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 528. [2018-11-23 00:00:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-11-23 00:00:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 833 transitions. [2018-11-23 00:00:53,088 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 833 transitions. Word has length 141 [2018-11-23 00:00:53,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:53,089 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 833 transitions. [2018-11-23 00:00:53,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:00:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 833 transitions. [2018-11-23 00:00:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 00:00:53,092 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:53,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:53,093 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:53,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:53,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1563736858, now seen corresponding path program 1 times [2018-11-23 00:00:53,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:53,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:53,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:53,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:53,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:53,341 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 00:00:53,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:53,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:00:53,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:53,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:00:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:00:53,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:00:53,343 INFO L87 Difference]: Start difference. First operand 528 states and 833 transitions. Second operand 5 states. [2018-11-23 00:00:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:53,923 INFO L93 Difference]: Finished difference Result 1185 states and 1904 transitions. [2018-11-23 00:00:53,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:00:53,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2018-11-23 00:00:53,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:53,927 INFO L225 Difference]: With dead ends: 1185 [2018-11-23 00:00:53,927 INFO L226 Difference]: Without dead ends: 525 [2018-11-23 00:00:53,929 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 00:00:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-11-23 00:00:53,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2018-11-23 00:00:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-11-23 00:00:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 779 transitions. [2018-11-23 00:00:53,946 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 779 transitions. Word has length 142 [2018-11-23 00:00:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:53,947 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 779 transitions. [2018-11-23 00:00:53,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:00:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 779 transitions. [2018-11-23 00:00:53,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 00:00:53,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:53,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:53,949 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:53,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:53,949 INFO L82 PathProgramCache]: Analyzing trace with hash -77416850, now seen corresponding path program 1 times [2018-11-23 00:00:53,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:53,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:53,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:53,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:53,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:54,058 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 00:00:54,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:54,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:00:54,058 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:54,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:00:54,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:00:54,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:00:54,059 INFO L87 Difference]: Start difference. First operand 525 states and 779 transitions. Second operand 3 states. [2018-11-23 00:00:54,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:54,407 INFO L93 Difference]: Finished difference Result 1484 states and 2275 transitions. [2018-11-23 00:00:54,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:00:54,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-23 00:00:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:54,412 INFO L225 Difference]: With dead ends: 1484 [2018-11-23 00:00:54,413 INFO L226 Difference]: Without dead ends: 965 [2018-11-23 00:00:54,418 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 00:00:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2018-11-23 00:00:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2018-11-23 00:00:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-23 00:00:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1387 transitions. [2018-11-23 00:00:54,448 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1387 transitions. Word has length 146 [2018-11-23 00:00:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:54,449 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1387 transitions. [2018-11-23 00:00:54,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:00:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1387 transitions. [2018-11-23 00:00:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 00:00:54,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:54,453 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:00:54,454 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:54,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1784447858, now seen corresponding path program 1 times [2018-11-23 00:00:54,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:54,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:54,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:54,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:54,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:54,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:00:54,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:00:54,566 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:54,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:00:54,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:00:54,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:00:54,567 INFO L87 Difference]: Start difference. First operand 965 states and 1387 transitions. Second operand 6 states. [2018-11-23 00:00:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:55,304 INFO L93 Difference]: Finished difference Result 2846 states and 4248 transitions. [2018-11-23 00:00:55,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:00:55,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-23 00:00:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:55,312 INFO L225 Difference]: With dead ends: 2846 [2018-11-23 00:00:55,312 INFO L226 Difference]: Without dead ends: 1887 [2018-11-23 00:00:55,316 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 00:00:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-11-23 00:00:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1862. [2018-11-23 00:00:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1862 states. [2018-11-23 00:00:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2516 transitions. [2018-11-23 00:00:55,371 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2516 transitions. Word has length 162 [2018-11-23 00:00:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:55,371 INFO L480 AbstractCegarLoop]: Abstraction has 1862 states and 2516 transitions. [2018-11-23 00:00:55,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:00:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2516 transitions. [2018-11-23 00:00:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 00:00:55,379 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:55,379 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:00:55,379 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:55,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:55,380 INFO L82 PathProgramCache]: Analyzing trace with hash 800655393, now seen corresponding path program 1 times [2018-11-23 00:00:55,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:55,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:55,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:55,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:55,381 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:00:55,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:00:55,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:00:55,502 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-23 00:00:55,504 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:00:55,549 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:00:55,549 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:00:55,980 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:00:55,981 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1714 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1714 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-23 00:00:55,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:55,995 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:00:56,288 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 80.59% of their original sizes. [2018-11-23 00:00:56,289 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:00:56,319 INFO L415 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-11-23 00:00:56,319 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:00:56,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:00:56,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 00:00:56,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:00:56,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:00:56,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:00:56,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:00:56,321 INFO L87 Difference]: Start difference. First operand 1862 states and 2516 transitions. Second operand 6 states. [2018-11-23 00:00:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:00:58,976 INFO L93 Difference]: Finished difference Result 3854 states and 5194 transitions. [2018-11-23 00:00:58,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:00:58,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-11-23 00:00:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:00:58,986 INFO L225 Difference]: With dead ends: 3854 [2018-11-23 00:00:58,986 INFO L226 Difference]: Without dead ends: 1998 [2018-11-23 00:00:58,991 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 169 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 00:00:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2018-11-23 00:00:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1997. [2018-11-23 00:00:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1997 states. [2018-11-23 00:00:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2657 transitions. [2018-11-23 00:00:59,047 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2657 transitions. Word has length 174 [2018-11-23 00:00:59,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:00:59,047 INFO L480 AbstractCegarLoop]: Abstraction has 1997 states and 2657 transitions. [2018-11-23 00:00:59,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:00:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2657 transitions. [2018-11-23 00:00:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 00:00:59,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:00:59,055 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:00:59,055 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:00:59,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:59,056 INFO L82 PathProgramCache]: Analyzing trace with hash -505056324, now seen corresponding path program 1 times [2018-11-23 00:00:59,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:00:59,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:59,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:00:59,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:00:59,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:00:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:00:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 00:00:59,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:00:59,183 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:00:59,183 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-23 00:00:59,184 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:00:59,190 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:00:59,190 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:00:59,594 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:00:59,594 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3434 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3434 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 00:00:59,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:00:59,598 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:00:59,975 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 82.02% of their original sizes. [2018-11-23 00:00:59,975 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:01:00,035 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-23 00:01:00,035 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:01:00,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:01:00,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:01:00,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:01:00,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:01:00,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:01:00,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:01:00,037 INFO L87 Difference]: Start difference. First operand 1997 states and 2657 transitions. Second operand 10 states. [2018-11-23 00:01:03,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:03,827 INFO L93 Difference]: Finished difference Result 3992 states and 5360 transitions. [2018-11-23 00:01:03,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:01:03,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-11-23 00:01:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:03,834 INFO L225 Difference]: With dead ends: 3992 [2018-11-23 00:01:03,835 INFO L226 Difference]: Without dead ends: 2136 [2018-11-23 00:01:03,839 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 173 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 00:01:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2018-11-23 00:01:03,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2134. [2018-11-23 00:01:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2018-11-23 00:01:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2804 transitions. [2018-11-23 00:01:03,958 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2804 transitions. Word has length 182 [2018-11-23 00:01:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:03,958 INFO L480 AbstractCegarLoop]: Abstraction has 2134 states and 2804 transitions. [2018-11-23 00:01:03,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:01:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2804 transitions. [2018-11-23 00:01:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 00:01:03,966 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:03,966 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 00:01:03,966 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:03,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:03,967 INFO L82 PathProgramCache]: Analyzing trace with hash -543751618, now seen corresponding path program 1 times [2018-11-23 00:01:03,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:01:03,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:03,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:03,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:03,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:01:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 00:01:04,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:04,096 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:01:04,097 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-11-23 00:01:04,097 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [21], [22], [26], [30], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:01:04,100 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:01:04,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:01:04,323 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:01:04,323 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 3491 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3491 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 00:01:04,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:04,326 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:01:04,614 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 81.95% of their original sizes. [2018-11-23 00:01:04,614 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:01:04,705 INFO L415 sIntCurrentIteration]: We unified 214 AI predicates to 214 [2018-11-23 00:01:04,705 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:01:04,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:01:04,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 00:01:04,706 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:01:04,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:01:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:01:04,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:01:04,707 INFO L87 Difference]: Start difference. First operand 2134 states and 2804 transitions. Second operand 10 states. [2018-11-23 00:01:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:07,223 INFO L93 Difference]: Finished difference Result 4267 states and 5657 transitions. [2018-11-23 00:01:07,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 00:01:07,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 215 [2018-11-23 00:01:07,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:07,233 INFO L225 Difference]: With dead ends: 4267 [2018-11-23 00:01:07,233 INFO L226 Difference]: Without dead ends: 2411 [2018-11-23 00:01:07,239 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:01:07,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2018-11-23 00:01:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2409. [2018-11-23 00:01:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2409 states. [2018-11-23 00:01:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3101 transitions. [2018-11-23 00:01:07,298 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3101 transitions. Word has length 215 [2018-11-23 00:01:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:07,298 INFO L480 AbstractCegarLoop]: Abstraction has 2409 states and 3101 transitions. [2018-11-23 00:01:07,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:01:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3101 transitions. [2018-11-23 00:01:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 00:01:07,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:07,307 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 00:01:07,307 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:07,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:07,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1449533699, now seen corresponding path program 1 times [2018-11-23 00:01:07,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:01:07,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:07,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:07,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:07,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:01:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 00:01:07,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:07,432 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:01:07,432 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-23 00:01:07,433 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [21], [22], [26], [30], [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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:01:07,436 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:01:07,436 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:01:07,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:01:07,886 INFO L272 AbstractInterpreter]: Visited 137 different actions 545 times. Merged at 7 different actions 27 times. Never widened. Performed 7354 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7354 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 00:01:07,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:07,890 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:01:08,213 INFO L227 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 83.64% of their original sizes. [2018-11-23 00:01:08,213 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:01:08,258 INFO L415 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2018-11-23 00:01:08,259 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:01:08,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:01:08,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-23 00:01:08,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:01:08,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:01:08,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:01:08,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:01:08,260 INFO L87 Difference]: Start difference. First operand 2409 states and 3101 transitions. Second operand 10 states. [2018-11-23 00:01:11,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:11,689 INFO L93 Difference]: Finished difference Result 6122 states and 8191 transitions. [2018-11-23 00:01:11,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 00:01:11,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2018-11-23 00:01:11,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:11,699 INFO L225 Difference]: With dead ends: 6122 [2018-11-23 00:01:11,699 INFO L226 Difference]: Without dead ends: 4266 [2018-11-23 00:01:11,703 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 234 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-11-23 00:01:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2018-11-23 00:01:11,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4205. [2018-11-23 00:01:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4205 states. [2018-11-23 00:01:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5358 transitions. [2018-11-23 00:01:11,767 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5358 transitions. Word has length 223 [2018-11-23 00:01:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:11,768 INFO L480 AbstractCegarLoop]: Abstraction has 4205 states and 5358 transitions. [2018-11-23 00:01:11,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:01:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5358 transitions. [2018-11-23 00:01:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 00:01:11,775 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:11,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:01:11,776 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:11,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:11,776 INFO L82 PathProgramCache]: Analyzing trace with hash -621048195, now seen corresponding path program 1 times [2018-11-23 00:01:11,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:01:11,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:11,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:11,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:11,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:01:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:11,883 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 00:01:11,884 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:11,884 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:01:11,884 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-23 00:01:11,884 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], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [693], [695], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 00:01:11,887 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:01:11,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:01:12,198 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:01:12,199 INFO L272 AbstractInterpreter]: Visited 138 different actions 553 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Performed 7636 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7636 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 00:01:12,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:12,204 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:01:12,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:12,204 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/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 00:01:12,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:12,214 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:01:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:12,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:01:12,469 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 00:01:12,469 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:01:12,700 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 00:01:12,729 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:01:12,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 00:01:12,729 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:01:12,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:01:12,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:01:12,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:01:12,730 INFO L87 Difference]: Start difference. First operand 4205 states and 5358 transitions. Second operand 11 states. [2018-11-23 00:01:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:13,840 INFO L93 Difference]: Finished difference Result 9287 states and 11967 transitions. [2018-11-23 00:01:13,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:01:13,841 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2018-11-23 00:01:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:13,857 INFO L225 Difference]: With dead ends: 9287 [2018-11-23 00:01:13,857 INFO L226 Difference]: Without dead ends: 5500 [2018-11-23 00:01:13,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 453 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 00:01:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2018-11-23 00:01:13,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 5475. [2018-11-23 00:01:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5475 states. [2018-11-23 00:01:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 6776 transitions. [2018-11-23 00:01:13,988 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 6776 transitions. Word has length 226 [2018-11-23 00:01:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:13,988 INFO L480 AbstractCegarLoop]: Abstraction has 5475 states and 6776 transitions. [2018-11-23 00:01:13,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:01:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 6776 transitions. [2018-11-23 00:01:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 00:01:14,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:14,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:01:14,005 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:14,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:14,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1599641319, now seen corresponding path program 2 times [2018-11-23 00:01:14,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:01:14,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:14,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:14,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:14,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:01:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:14,145 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 00:01:14,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:14,145 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:01:14,145 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 00:01:14,145 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 00:01:14,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:01:14,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/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 00:01:14,157 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 00:01:14,157 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 00:01:14,223 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 00:01:14,224 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 00:01:14,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:01:14,291 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 00:01:14,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:01:14,355 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 00:01:14,372 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:01:14,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 00:01:14,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:01:14,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:01:14,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:01:14,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:01:14,374 INFO L87 Difference]: Start difference. First operand 5475 states and 6776 transitions. Second operand 3 states. [2018-11-23 00:01:14,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:14,742 INFO L93 Difference]: Finished difference Result 12230 states and 15454 transitions. [2018-11-23 00:01:14,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:01:14,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2018-11-23 00:01:14,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:14,743 INFO L225 Difference]: With dead ends: 12230 [2018-11-23 00:01:14,743 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:01:14,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:01:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:01:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:01:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:01:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:01:14,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-23 00:01:14,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:14,759 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:01:14,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:01:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:01:14,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:01:14,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:01:14,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:14,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:01:15,719 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 109 [2018-11-23 00:01:15,993 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 52 [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,995 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,996 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 00:01:15,997 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 00:01:15,998 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 00:01:15,999 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 00:01:16,000 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,001 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,002 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,003 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 00:01:16,004 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse28 (= 1 |old(~a17~0)|)) (.cse22 (= 1 ~a17~0))) (let ((.cse25 (= |old(~a8~0)| ~a8~0)) (.cse26 (= |old(~a20~0)| ~a20~0)) (.cse27 (= |old(~a16~0)| ~a16~0)) (.cse20 (or (not (= ~a7~0 ~a17~0)) (not .cse22))) (.cse0 (= ~a17~0 1)) (.cse24 (= ~a7~0 0)) (.cse23 (= ~a21~0 1)) (.cse4 (not (= 15 |old(~a8~0)|))) (.cse2 (not (= 0 |old(~a7~0)|))) (.cse3 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse7 (not .cse28))) (let ((.cse8 (and (or .cse2 .cse3 .cse4 .cse6) (or .cse2 .cse3 .cse6 .cse7))) (.cse12 (let ((.cse29 (not (= ~a16~0 0))) (.cse30 (= ~a12~0 8))) (or (and .cse24 .cse29 .cse0 .cse30 .cse23) (and .cse24 .cse29 (= ~a8~0 15) .cse30 .cse23)))) (.cse17 (and (= |old(~a7~0)| |old(~a17~0)|) .cse28)) (.cse18 (and .cse25 .cse26 .cse27 .cse20)) (.cse16 (and .cse25 .cse26 .cse27)) (.cse13 (< 4 |old(~a16~0)|)) (.cse21 (= 13 |old(~a8~0)|)) (.cse10 (= 0 |old(~a16~0)|)) (.cse19 (and .cse23 .cse24)) (.cse11 (= 0 |old(~a8~0)|)) (.cse14 (< 0 |old(~a20~0)|)) (.cse1 (= |calculate_output_#in~input| 0)) (.cse5 (not (= 5 |old(~a16~0)|))) (.cse15 (= 6 |old(~a16~0)|)) (.cse9 (not (= 1 |old(~a20~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= 0 |old(~a20~0)|)) .cse5 .cse6 .cse7)) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse12) (or .cse8 .cse13 .cse10 .cse1 .cse11 .cse12 .cse14) (or .cse15 .cse9 .cse16 .cse6) (or .cse9 .cse17 .cse6 .cse18) (or .cse2 .cse3 .cse9 .cse13 .cse19 .cse10 .cse6 .cse1 .cse11) (or .cse13 .cse20 .cse17 .cse6 .cse14) (or .cse8 .cse12 .cse21 .cse10 .cse1 .cse11 .cse14) (or .cse3 .cse9 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a21~0) .cse22) .cse6 (not (= 1 |old(~a7~0)|)) (not .cse21) .cse7) (or .cse21 .cse17 .cse6 .cse18 .cse14) (or .cse2 .cse3 .cse13 .cse10 .cse6 .cse1 .cse11 .cse19 .cse14) (or .cse16 .cse13 .cse6 .cse14) (or .cse15 .cse2 .cse3 .cse21 .cse10 .cse6 .cse1 .cse19 .cse11 .cse14) (or .cse1 (or (and .cse0 (= ~a16~0 5)) (and (= ~a17~0 0) (= ~a16~0 6))) (and (or .cse2 .cse3 .cse9 .cse4 .cse5 .cse6 .cse7) (or (not .cse15) .cse2 .cse3 .cse9 .cse4 (not (= 0 |old(~a17~0)|)) .cse6))))))) [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,005 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,006 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 00:01:16,007 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 00:01:16,008 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:01:16,009 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 00:01:16,009 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:01:16,009 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 (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 00:01:16,009 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:01:16,010 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse0 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0)))) (.cse2 (= 1 ~a20~0))) (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and .cse0 (not (= ~a8~0 13)) .cse1) (not (= 8 ~a12~0)) (and .cse1 (<= ~a16~0 4)) (and .cse2 .cse0) (not (= 1 |old(~a17~0)|)) (and .cse2 (not (= ~a16~0 6))) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)))) [2018-11-23 00:01:16,010 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 00:01:16,010 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 00:01:16,010 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a20~0 0)) (.cse0 (or (not (= ~a7~0 ~a17~0)) (not (= 1 ~a17~0))))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (and .cse0 (not (= ~a8~0 13)) .cse1) (and .cse1 (<= ~a16~0 4)) (and (= 1 ~a20~0) .cse0) (and (= |old(~a20~0)| ~a20~0) (not (= ~a16~0 6))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 00:01:16,010 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 00:01:16,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:01:16 BoogieIcfgContainer [2018-11-23 00:01:16,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:01:16,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:01:16,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:01:16,022 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:01:16,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:00:50" (3/4) ... [2018-11-23 00:01:16,025 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:01:16,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:01:16,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 00:01:16,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:01:16,056 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:01:16,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:01:16,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || (\old(a20) == a20 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-23 00:01:16,150 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_890a6e54-6485-4147-a935-bc853cef61bc/bin-2019/utaipan/witness.graphml [2018-11-23 00:01:16,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:01:16,151 INFO L168 Benchmark]: Toolchain (without parser) took 26858.61 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 953.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 131.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,152 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:01:16,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,152 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,153 INFO L168 Benchmark]: Boogie Preprocessor took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,153 INFO L168 Benchmark]: RCFGBuilder took 951.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,153 INFO L168 Benchmark]: TraceAbstraction took 25219.05 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,153 INFO L168 Benchmark]: Witness Printer took 128.13 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:16,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 951.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25219.05 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 128.13 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: 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(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || (((!(a7 == a17) || !(1 == a17)) && !(a8 == 13)) && a20 <= 0)) || (a20 <= 0 && a16 <= 4)) || (1 == a20 && (!(a7 == a17) || !(1 == a17)))) || (\old(a20) == a20 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 25.1s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 17.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1424 SDtfs, 7358 SDslu, 1602 SDs, 0 SdLazy, 8166 SolverSat, 1646 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1790 GetRequests, 1679 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5475occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9972455615627249 AbsIntWeakeningRatio, 0.20759493670886076 AbsIntAvgWeakeningVarsNumRemoved, 28.935443037974682 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 168 PreInvPairs, 262 NumberOfFragments, 902 HoareAnnotationTreeSize, 168 FomulaSimplifications, 11154 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6176 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2420 NumberOfCodeBlocks, 2356 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2857 ConstructedInterpolants, 0 QuantifiedInterpolants, 1520931 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1257/1471 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...