./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/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 f3c8bb7ddcff0aceaa2014320c3dc6d32e4475d9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:39:22,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:39:22,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:39:22,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:39:22,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:39:22,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:39:22,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:39:22,094 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:39:22,095 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:39:22,096 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:39:22,097 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:39:22,097 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:39:22,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:39:22,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:39:22,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:39:22,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:39:22,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:39:22,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:39:22,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:39:22,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:39:22,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:39:22,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:39:22,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:39:22,106 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:39:22,106 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:39:22,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:39:22,107 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:39:22,108 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:39:22,108 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:39:22,109 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:39:22,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:39:22,110 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:39:22,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:39:22,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:39:22,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:39:22,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:39:22,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:39:22,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:39:22,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:39:22,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:39:22,120 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:39:22,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:39:22,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:39:22,121 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:39:22,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:39:22,121 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:39:22,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:39:22,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:39:22,122 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:39:22,122 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:39:22,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:39:22,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:39:22,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:39:22,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:39:22,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:39:22,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:39:22,125 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:39:22,125 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_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/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 -> f3c8bb7ddcff0aceaa2014320c3dc6d32e4475d9 [2018-12-08 17:39:22,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:39:22,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:39:22,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:39:22,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:39:22,158 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:39:22,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-12-08 17:39:22,198 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/data/a8433bc86/1679878329834487a52bd36de0a36c79/FLAG47c59db26 [2018-12-08 17:39:22,603 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:39:22,603 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/sv-benchmarks/c/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-12-08 17:39:22,611 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/data/a8433bc86/1679878329834487a52bd36de0a36c79/FLAG47c59db26 [2018-12-08 17:39:22,937 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/data/a8433bc86/1679878329834487a52bd36de0a36c79 [2018-12-08 17:39:22,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:39:22,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:39:22,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:39:22,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:39:22,954 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:39:22,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:39:22" (1/1) ... [2018-12-08 17:39:22,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2778df3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:22, skipping insertion in model container [2018-12-08 17:39:22,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:39:22" (1/1) ... [2018-12-08 17:39:22,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:39:23,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:39:23,268 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:39:23,271 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:39:23,411 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:39:23,421 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:39:23,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23 WrapperNode [2018-12-08 17:39:23,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:39:23,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:39:23,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:39:23,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:39:23,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:39:23,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:39:23,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:39:23,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:39:23,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... [2018-12-08 17:39:23,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:39:23,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:39:23,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:39:23,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:39:23,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/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 [2018-12-08 17:39:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:39:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:39:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:39:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:39:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:39:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:39:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:39:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:39:24,559 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:39:24,560 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:39:24,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:39:24 BoogieIcfgContainer [2018-12-08 17:39:24,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:39:24,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:39:24,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:39:24,564 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:39:24,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:39:22" (1/3) ... [2018-12-08 17:39:24,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73540ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:39:24, skipping insertion in model container [2018-12-08 17:39:24,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:39:23" (2/3) ... [2018-12-08 17:39:24,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73540ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:39:24, skipping insertion in model container [2018-12-08 17:39:24,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:39:24" (3/3) ... [2018-12-08 17:39:24,567 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label47_true-unreach-call.c [2018-12-08 17:39:24,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:39:24,582 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:39:24,598 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:39:24,627 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:39:24,627 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:39:24,627 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:39:24,627 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:39:24,627 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:39:24,628 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:39:24,628 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:39:24,628 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:39:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-08 17:39:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 17:39:24,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:24,655 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] [2018-12-08 17:39:24,657 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:24,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:24,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1102823458, now seen corresponding path program 1 times [2018-12-08 17:39:24,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:24,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:24,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:24,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:24,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:24,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:39:24,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:39:24,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:24,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:39:24,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:39:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:39:24,870 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-12-08 17:39:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:39:25,608 INFO L93 Difference]: Finished difference Result 787 states and 1379 transitions. [2018-12-08 17:39:25,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:39:25,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-12-08 17:39:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:39:25,617 INFO L225 Difference]: With dead ends: 787 [2018-12-08 17:39:25,617 INFO L226 Difference]: Without dead ends: 433 [2018-12-08 17:39:25,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:39:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-12-08 17:39:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 426. [2018-12-08 17:39:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-08 17:39:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 678 transitions. [2018-12-08 17:39:25,666 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 678 transitions. Word has length 41 [2018-12-08 17:39:25,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:39:25,666 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 678 transitions. [2018-12-08 17:39:25,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:39:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 678 transitions. [2018-12-08 17:39:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 17:39:25,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:25,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:39:25,670 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:25,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:25,671 INFO L82 PathProgramCache]: Analyzing trace with hash -659313835, now seen corresponding path program 1 times [2018-12-08 17:39:25,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:25,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:25,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:25,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:39:25,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:39:25,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:25,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:39:25,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:39:25,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:39:25,771 INFO L87 Difference]: Start difference. First operand 426 states and 678 transitions. Second operand 5 states. [2018-12-08 17:39:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:39:26,593 INFO L93 Difference]: Finished difference Result 1259 states and 2034 transitions. [2018-12-08 17:39:26,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:39:26,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-08 17:39:26,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:39:26,600 INFO L225 Difference]: With dead ends: 1259 [2018-12-08 17:39:26,600 INFO L226 Difference]: Without dead ends: 839 [2018-12-08 17:39:26,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:39:26,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-08 17:39:26,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 627. [2018-12-08 17:39:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2018-12-08 17:39:26,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 934 transitions. [2018-12-08 17:39:26,633 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 934 transitions. Word has length 116 [2018-12-08 17:39:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:39:26,633 INFO L480 AbstractCegarLoop]: Abstraction has 627 states and 934 transitions. [2018-12-08 17:39:26,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:39:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 934 transitions. [2018-12-08 17:39:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 17:39:26,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:26,635 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:39:26,635 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:26,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:26,635 INFO L82 PathProgramCache]: Analyzing trace with hash -548845122, now seen corresponding path program 1 times [2018-12-08 17:39:26,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:26,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:26,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:26,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:26,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:26,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:39:26,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:39:26,705 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:26,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:39:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:39:26,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:39:26,706 INFO L87 Difference]: Start difference. First operand 627 states and 934 transitions. Second operand 5 states. [2018-12-08 17:39:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:39:27,699 INFO L93 Difference]: Finished difference Result 1872 states and 2846 transitions. [2018-12-08 17:39:27,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:39:27,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-12-08 17:39:27,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:39:27,705 INFO L225 Difference]: With dead ends: 1872 [2018-12-08 17:39:27,706 INFO L226 Difference]: Without dead ends: 1251 [2018-12-08 17:39:27,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:39:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-12-08 17:39:27,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1032. [2018-12-08 17:39:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-12-08 17:39:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1433 transitions. [2018-12-08 17:39:27,736 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1433 transitions. Word has length 127 [2018-12-08 17:39:27,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:39:27,737 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1433 transitions. [2018-12-08 17:39:27,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:39:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1433 transitions. [2018-12-08 17:39:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 17:39:27,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:27,740 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:39:27,740 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:27,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1324114650, now seen corresponding path program 1 times [2018-12-08 17:39:27,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:27,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:27,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:27,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:27,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:27,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:39:27,885 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:39:27,885 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-12-08 17:39:27,887 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:39:27,915 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:39:27,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:39:28,434 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:39:28,435 INFO L272 AbstractInterpreter]: Visited 139 different actions 403 times. Merged at 4 different actions 7 times. Never widened. Performed 5621 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5621 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-08 17:39:28,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:28,443 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:39:28,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:39:28,443 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/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 [2018-12-08 17:39:28,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:28,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:39:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:28,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:39:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:28,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:39:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:39:28,643 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:39:28,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-08 17:39:28,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:28,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:39:28,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:39:28,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:39:28,644 INFO L87 Difference]: Start difference. First operand 1032 states and 1433 transitions. Second operand 3 states. [2018-12-08 17:39:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:39:29,266 INFO L93 Difference]: Finished difference Result 2662 states and 3820 transitions. [2018-12-08 17:39:29,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:39:29,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-12-08 17:39:29,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:39:29,273 INFO L225 Difference]: With dead ends: 2662 [2018-12-08 17:39:29,273 INFO L226 Difference]: Without dead ends: 1636 [2018-12-08 17:39:29,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 344 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:39:29,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2018-12-08 17:39:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1629. [2018-12-08 17:39:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1629 states. [2018-12-08 17:39:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2257 transitions. [2018-12-08 17:39:29,313 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2257 transitions. Word has length 172 [2018-12-08 17:39:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:39:29,314 INFO L480 AbstractCegarLoop]: Abstraction has 1629 states and 2257 transitions. [2018-12-08 17:39:29,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:39:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2257 transitions. [2018-12-08 17:39:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 17:39:29,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:29,317 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 17:39:29,318 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:29,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:29,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1322201221, now seen corresponding path program 1 times [2018-12-08 17:39:29,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:29,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:29,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:29,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:29,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 68 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:39:29,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:39:29,449 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:39:29,449 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-08 17:39:29,449 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:39:29,452 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:39:29,452 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:39:29,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:39:29,579 INFO L272 AbstractInterpreter]: Visited 88 different actions 88 times. Never merged. Never widened. Performed 978 root evaluator evaluations with a maximum evaluation depth of 14. Performed 978 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-12-08 17:39:29,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:29,580 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:39:29,875 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.41% of their original sizes. [2018-12-08 17:39:29,876 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:39:29,903 INFO L418 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-12-08 17:39:29,904 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:39:29,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:39:29,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 17:39:29,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:29,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:39:29,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:39:29,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:39:29,905 INFO L87 Difference]: Start difference. First operand 1629 states and 2257 transitions. Second operand 6 states. [2018-12-08 17:39:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:39:40,201 INFO L93 Difference]: Finished difference Result 3442 states and 4724 transitions. [2018-12-08 17:39:40,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:39:40,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-12-08 17:39:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:39:40,205 INFO L225 Difference]: With dead ends: 3442 [2018-12-08 17:39:40,205 INFO L226 Difference]: Without dead ends: 1819 [2018-12-08 17:39:40,207 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:39:40,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-08 17:39:40,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1818. [2018-12-08 17:39:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1818 states. [2018-12-08 17:39:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2455 transitions. [2018-12-08 17:39:40,228 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2455 transitions. Word has length 196 [2018-12-08 17:39:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:39:40,228 INFO L480 AbstractCegarLoop]: Abstraction has 1818 states and 2455 transitions. [2018-12-08 17:39:40,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:39:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2455 transitions. [2018-12-08 17:39:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 17:39:40,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:39:40,232 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:39:40,232 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:39:40,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash -354355329, now seen corresponding path program 1 times [2018-12-08 17:39:40,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:39:40,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:40,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:39:40,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:39:40,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:39:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:39:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 176 proven. 72 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 17:39:40,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:39:40,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:39:40,344 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 313 with the following transitions: [2018-12-08 17:39:40,344 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:39:40,346 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:39:40,346 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:39:40,541 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:39:40,541 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 4 different actions 4 times. Never widened. Performed 3127 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3127 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-08 17:39:40,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:39:40,542 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:39:40,763 INFO L227 lantSequenceWeakener]: Weakened 309 states. On average, predicates are now at 75.24% of their original sizes. [2018-12-08 17:39:40,763 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:39:40,803 INFO L418 sIntCurrentIteration]: We unified 311 AI predicates to 311 [2018-12-08 17:39:40,804 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:39:40,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:39:40,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 17:39:40,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:39:40,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:39:40,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:39:40,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:39:40,805 INFO L87 Difference]: Start difference. First operand 1818 states and 2455 transitions. Second operand 10 states. [2018-12-08 17:40:09,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:40:09,111 INFO L93 Difference]: Finished difference Result 3830 states and 5227 transitions. [2018-12-08 17:40:09,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 17:40:09,111 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 312 [2018-12-08 17:40:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:40:09,117 INFO L225 Difference]: With dead ends: 3830 [2018-12-08 17:40:09,117 INFO L226 Difference]: Without dead ends: 2207 [2018-12-08 17:40:09,120 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 320 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:40:09,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-12-08 17:40:09,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2201. [2018-12-08 17:40:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2201 states. [2018-12-08 17:40:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2925 transitions. [2018-12-08 17:40:09,156 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2925 transitions. Word has length 312 [2018-12-08 17:40:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:40:09,156 INFO L480 AbstractCegarLoop]: Abstraction has 2201 states and 2925 transitions. [2018-12-08 17:40:09,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:40:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2925 transitions. [2018-12-08 17:40:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 17:40:09,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:40:09,160 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:40:09,160 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:40:09,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:09,160 INFO L82 PathProgramCache]: Analyzing trace with hash 517800508, now seen corresponding path program 1 times [2018-12-08 17:40:09,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:40:09,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:09,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:09,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:09,161 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:40:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 259 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:40:09,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:09,282 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:40:09,282 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-12-08 17:40:09,282 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:40:09,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:40:09,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:40:09,633 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:40:09,633 INFO L272 AbstractInterpreter]: Visited 126 different actions 373 times. Merged at 6 different actions 17 times. Never widened. Performed 4982 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 17:40:09,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:09,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:40:09,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:09,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/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 [2018-12-08 17:40:09,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:09,644 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:40:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:09,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:40:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-08 17:40:09,755 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:40:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-12-08 17:40:09,816 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:40:09,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-08 17:40:09,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:40:09,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:40:09,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:40:09,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:40:09,817 INFO L87 Difference]: Start difference. First operand 2201 states and 2925 transitions. Second operand 3 states. [2018-12-08 17:40:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:40:10,338 INFO L93 Difference]: Finished difference Result 4973 states and 6942 transitions. [2018-12-08 17:40:10,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:40:10,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2018-12-08 17:40:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:40:10,345 INFO L225 Difference]: With dead ends: 4973 [2018-12-08 17:40:10,345 INFO L226 Difference]: Without dead ends: 3350 [2018-12-08 17:40:10,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 624 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:40:10,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3350 states. [2018-12-08 17:40:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3350 to 3348. [2018-12-08 17:40:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3348 states. [2018-12-08 17:40:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4417 transitions. [2018-12-08 17:40:10,409 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4417 transitions. Word has length 313 [2018-12-08 17:40:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:40:10,409 INFO L480 AbstractCegarLoop]: Abstraction has 3348 states and 4417 transitions. [2018-12-08 17:40:10,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:40:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4417 transitions. [2018-12-08 17:40:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 17:40:10,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:40:10,417 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:40:10,417 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:40:10,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:10,417 INFO L82 PathProgramCache]: Analyzing trace with hash 855432708, now seen corresponding path program 1 times [2018-12-08 17:40:10,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:40:10,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:10,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:10,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:10,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:40:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2018-12-08 17:40:10,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:40:10,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:40:10,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:40:10,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:40:10,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:40:10,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:40:10,546 INFO L87 Difference]: Start difference. First operand 3348 states and 4417 transitions. Second operand 3 states. [2018-12-08 17:40:11,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:40:11,273 INFO L93 Difference]: Finished difference Result 8400 states and 11573 transitions. [2018-12-08 17:40:11,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:40:11,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2018-12-08 17:40:11,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:40:11,289 INFO L225 Difference]: With dead ends: 8400 [2018-12-08 17:40:11,289 INFO L226 Difference]: Without dead ends: 5246 [2018-12-08 17:40:11,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:40:11,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2018-12-08 17:40:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4681. [2018-12-08 17:40:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4681 states. [2018-12-08 17:40:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 4681 states and 6131 transitions. [2018-12-08 17:40:11,348 INFO L78 Accepts]: Start accepts. Automaton has 4681 states and 6131 transitions. Word has length 317 [2018-12-08 17:40:11,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:40:11,349 INFO L480 AbstractCegarLoop]: Abstraction has 4681 states and 6131 transitions. [2018-12-08 17:40:11,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:40:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 6131 transitions. [2018-12-08 17:40:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-12-08 17:40:11,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:40:11,354 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:40:11,354 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:40:11,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash 404515825, now seen corresponding path program 1 times [2018-12-08 17:40:11,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:40:11,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:11,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:11,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:11,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:40:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-08 17:40:11,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:40:11,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:40:11,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:40:11,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:40:11,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:40:11,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:40:11,458 INFO L87 Difference]: Start difference. First operand 4681 states and 6131 transitions. Second operand 3 states. [2018-12-08 17:40:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:40:11,992 INFO L93 Difference]: Finished difference Result 9356 states and 12676 transitions. [2018-12-08 17:40:11,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:40:11,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2018-12-08 17:40:11,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:40:12,002 INFO L225 Difference]: With dead ends: 9356 [2018-12-08 17:40:12,002 INFO L226 Difference]: Without dead ends: 5440 [2018-12-08 17:40:12,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:40:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5440 states. [2018-12-08 17:40:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5440 to 5440. [2018-12-08 17:40:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5440 states. [2018-12-08 17:40:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5440 states to 5440 states and 7141 transitions. [2018-12-08 17:40:12,060 INFO L78 Accepts]: Start accepts. Automaton has 5440 states and 7141 transitions. Word has length 346 [2018-12-08 17:40:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:40:12,061 INFO L480 AbstractCegarLoop]: Abstraction has 5440 states and 7141 transitions. [2018-12-08 17:40:12,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:40:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5440 states and 7141 transitions. [2018-12-08 17:40:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-08 17:40:12,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:40:12,066 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:40:12,066 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:40:12,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:12,066 INFO L82 PathProgramCache]: Analyzing trace with hash -549274470, now seen corresponding path program 1 times [2018-12-08 17:40:12,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:40:12,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:12,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:12,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:12,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:40:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:40:12,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:12,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:40:12,227 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 354 with the following transitions: [2018-12-08 17:40:12,228 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [738], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:40:12,230 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:40:12,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:40:12,607 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:40:12,607 INFO L272 AbstractInterpreter]: Visited 133 different actions 394 times. Merged at 6 different actions 17 times. Never widened. Performed 5346 root evaluator evaluations with a maximum evaluation depth of 18. Performed 5346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 17:40:12,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:12,609 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:40:12,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:12,609 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:40:12,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:12,615 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:40:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:12,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:40:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:40:12,955 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:40:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 292 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 17:40:13,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:40:13,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 15 [2018-12-08 17:40:13,229 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:40:13,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 17:40:13,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 17:40:13,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 17:40:13,230 INFO L87 Difference]: Start difference. First operand 5440 states and 7141 transitions. Second operand 11 states. [2018-12-08 17:40:16,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:40:16,013 INFO L93 Difference]: Finished difference Result 11856 states and 16463 transitions. [2018-12-08 17:40:16,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-08 17:40:16,013 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 353 [2018-12-08 17:40:16,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:40:16,027 INFO L225 Difference]: With dead ends: 11856 [2018-12-08 17:40:16,027 INFO L226 Difference]: Without dead ends: 6985 [2018-12-08 17:40:16,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 724 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=483, Invalid=1679, Unknown=0, NotChecked=0, Total=2162 [2018-12-08 17:40:16,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6985 states. [2018-12-08 17:40:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6985 to 6683. [2018-12-08 17:40:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6683 states. [2018-12-08 17:40:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 8106 transitions. [2018-12-08 17:40:16,121 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 8106 transitions. Word has length 353 [2018-12-08 17:40:16,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:40:16,121 INFO L480 AbstractCegarLoop]: Abstraction has 6683 states and 8106 transitions. [2018-12-08 17:40:16,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 17:40:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 8106 transitions. [2018-12-08 17:40:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-08 17:40:16,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:40:16,128 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:40:16,128 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:40:16,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:16,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1392969753, now seen corresponding path program 1 times [2018-12-08 17:40:16,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:40:16,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:16,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:16,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:40:16,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:40:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 70 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-08 17:40:16,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:16,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:40:16,300 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-12-08 17:40:16,300 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:40:16,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:40:16,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:40:21,974 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:40:21,974 INFO L272 AbstractInterpreter]: Visited 175 different actions 518 times. Merged at 6 different actions 15 times. Never widened. Performed 7294 root evaluator evaluations with a maximum evaluation depth of 23. Performed 7294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 17:40:21,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:40:21,976 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:40:21,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:40:21,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:40:21,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:40:21,982 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:40:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:40:22,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:40:28,781 WARN L180 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2018-12-08 17:40:28,863 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 4 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:40:28,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:40:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:40:29,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:40:29,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 6] total 15 [2018-12-08 17:40:29,028 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:40:29,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 17:40:29,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 17:40:29,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=152, Unknown=2, NotChecked=0, Total=210 [2018-12-08 17:40:29,029 INFO L87 Difference]: Start difference. First operand 6683 states and 8106 transitions. Second operand 12 states. [2018-12-08 17:40:30,092 WARN L180 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-08 17:40:32,257 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 19 [2018-12-08 17:41:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:48,033 INFO L93 Difference]: Finished difference Result 18995 states and 24762 transitions. [2018-12-08 17:41:48,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-08 17:41:48,033 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 354 [2018-12-08 17:41:48,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:48,061 INFO L225 Difference]: With dead ends: 18995 [2018-12-08 17:41:48,061 INFO L226 Difference]: Without dead ends: 12506 [2018-12-08 17:41:48,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 702 SyntacticMatches, 4 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=295, Invalid=757, Unknown=4, NotChecked=0, Total=1056 [2018-12-08 17:41:48,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2018-12-08 17:41:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 11335. [2018-12-08 17:41:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11335 states. [2018-12-08 17:41:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11335 states to 11335 states and 13507 transitions. [2018-12-08 17:41:48,262 INFO L78 Accepts]: Start accepts. Automaton has 11335 states and 13507 transitions. Word has length 354 [2018-12-08 17:41:48,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:48,262 INFO L480 AbstractCegarLoop]: Abstraction has 11335 states and 13507 transitions. [2018-12-08 17:41:48,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 17:41:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 11335 states and 13507 transitions. [2018-12-08 17:41:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-12-08 17:41:48,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:48,272 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 17:41:48,272 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:48,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:48,272 INFO L82 PathProgramCache]: Analyzing trace with hash 282719499, now seen corresponding path program 1 times [2018-12-08 17:41:48,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:48,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:48,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:48,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:48,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 110 proven. 322 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:41:48,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:48,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:41:48,580 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-12-08 17:41:48,580 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [661], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [959], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 17:41:48,582 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:41:48,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:41:52,930 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:41:52,930 INFO L272 AbstractInterpreter]: Visited 176 different actions 697 times. Merged at 7 different actions 25 times. Never widened. Performed 9989 root evaluator evaluations with a maximum evaluation depth of 23. Performed 9989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 23. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 17:41:52,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:52,932 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:41:52,932 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:52,932 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:41:52,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:52,938 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:41:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:53,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:41:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 110 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:53,311 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:41:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 328 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 17:41:53,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:41:53,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 6] total 24 [2018-12-08 17:41:53,651 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:41:53,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 17:41:53,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 17:41:53,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-12-08 17:41:53,652 INFO L87 Difference]: Start difference. First operand 11335 states and 13507 transitions. Second operand 20 states. [2018-12-08 17:42:05,726 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-12-08 17:42:06,699 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2018-12-08 17:42:07,788 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-12-08 17:42:11,400 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2018-12-08 17:42:16,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:42:16,977 INFO L93 Difference]: Finished difference Result 24525 states and 31437 transitions. [2018-12-08 17:42:16,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-12-08 17:42:16,978 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 432 [2018-12-08 17:42:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:42:16,978 INFO L225 Difference]: With dead ends: 24525 [2018-12-08 17:42:16,978 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:42:17,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1215 GetRequests, 1003 SyntacticMatches, 2 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18349 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=4661, Invalid=40071, Unknown=0, NotChecked=0, Total=44732 [2018-12-08 17:42:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:42:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:42:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:42:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:42:17,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 432 [2018-12-08 17:42:17,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:42:17,015 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:42:17,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 17:42:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:42:17,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:42:17,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:42:17,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,542 WARN L180 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 295 [2018-12-08 17:42:17,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:17,846 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 301 [2018-12-08 17:42:44,555 WARN L180 SmtUtils]: Spent 26.63 s on a formula simplification. DAG size of input: 332 DAG size of output: 95 [2018-12-08 17:43:26,218 WARN L180 SmtUtils]: Spent 41.65 s on a formula simplification. DAG size of input: 297 DAG size of output: 89 [2018-12-08 17:44:02,842 WARN L180 SmtUtils]: Spent 36.62 s on a formula simplification. DAG size of input: 305 DAG size of output: 89 [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (<= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,844 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,845 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,846 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,847 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,848 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse6 (< 0 |old(~a4~0)|)) (.cse7 (forall ((v_prenex_11 Int)) (or (< (+ (mod v_prenex_11 299861) 300139) |old(~a29~0)|) (<= v_prenex_11 277) (< v_prenex_11 0)))) (.cse0 (forall ((v_~a29~0_549 Int)) (let ((.cse8 (+ v_~a29~0_549 69157))) (or (< .cse8 0) (< (+ (mod .cse8 299861) 300138) |old(~a29~0)|) (< v_~a29~0_549 |old(~a29~0)|))))) (.cse1 (not (= 15 ~a8~0))) (.cse2 (not (= 1 ~a3~0))) (.cse5 (= 12 |old(~a25~0)|)) (.cse4 (not (= 1 |old(~a4~0)|))) (.cse3 (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 (< |old(~a29~0)| 246) .cse3 .cse4) (or (forall ((v_prenex_11 Int)) (or (<= v_prenex_11 277) (< (mod v_prenex_11 299861) (+ |old(~a29~0)| 299881)) (< v_prenex_11 0))) .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (< 140 |old(~a29~0)|) (< 0 (+ |old(~a23~0)| 43)) .cse5 .cse6) (or .cse0 .cse1 .cse2 (< |old(~a29~0)| 130) .cse3 .cse6) (or (< |old(~a23~0)| 307) .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse3 (or .cse1 .cse2 (< 0 (+ |old(~a29~0)| 22)) .cse6)) (or .cse1 .cse2 .cse3 (not (= 9 |old(~a25~0)|)) .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4 .cse3))) [2018-12-08 17:44:02,848 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-08 17:44:02,849 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-08 17:44:02,850 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-08 17:44:02,851 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,852 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,853 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,854 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:44:02,855 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (<= ~a29~0 130) (= 15 ~a8~0) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-08 17:44:02,855 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:44:02,855 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:44:02,856 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-08 17:44:02,856 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 17:44:02,856 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 12))) (.cse3 (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= ~a29~0 (+ (mod v_prenex_11 299861) 300139))))) (.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 599998)) (.cse2 (= 1 ~a4~0))) (or (and (and .cse0 (exists ((v_~a29~0_549 Int)) (let ((.cse1 (+ v_~a29~0_549 69157))) (and (<= |old(~a29~0)| v_~a29~0_549) (<= 0 .cse1) (<= ~a29~0 (+ (mod .cse1 299861) 300138)))))) (<= 130 ~a29~0)) (and (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= (+ ~a29~0 299881) (mod v_prenex_11 299861)))) .cse2) (< |old(~a29~0)| 130) (and (= ~a25~0 9) .cse2 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse4 (<= (+ ~a23~0 43) 0) (<= ~a29~0 140)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (and .cse5 .cse4 .cse2) (and .cse2 (<= 307 ~a23~0) .cse3) (and .cse0 (<= (+ ~a29~0 22) 0)) (not (= 312 |old(~a23~0)|)) (not (= 15 ~a8~0)) (and (<= 246 ~a29~0) .cse5 .cse2) (not (= 1 |old(~a4~0)|)))) [2018-12-08 17:44:02,856 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-08 17:44:02,856 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-08 17:44:02,856 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse4 (not (= ~a25~0 12))) (.cse3 (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= ~a29~0 (+ (mod v_prenex_11 299861) 300139))))) (.cse0 (<= ~a4~0 0)) (.cse5 (<= ~a29~0 599998)) (.cse2 (= 1 ~a4~0))) (or (and (and .cse0 (exists ((v_~a29~0_549 Int)) (let ((.cse1 (+ v_~a29~0_549 69157))) (and (<= |old(~a29~0)| v_~a29~0_549) (<= 0 .cse1) (<= ~a29~0 (+ (mod .cse1 299861) 300138)))))) (<= 130 ~a29~0)) (and (exists ((v_prenex_11 Int)) (and (< 277 v_prenex_11) (<= 0 v_prenex_11) (<= (+ ~a29~0 299881) (mod v_prenex_11 299861)))) .cse2) (< |old(~a29~0)| 130) (and (= ~a25~0 9) .cse2 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse0 .cse4 (<= (+ ~a23~0 43) 0) (<= ~a29~0 140)) (not (= 1 ~a3~0)) (< 130 |old(~a29~0)|) (and .cse5 .cse4 .cse2) (and .cse2 (<= 307 ~a23~0) .cse3) (and .cse0 (<= (+ ~a29~0 22) 0)) (not (= 312 |old(~a23~0)|)) (not (= 15 ~a8~0)) (and (<= 246 ~a29~0) .cse5 .cse2) (not (= 1 |old(~a4~0)|)))) [2018-12-08 17:44:02,856 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 17:44:02,859 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,860 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,861 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,861 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,861 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,861 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,861 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,864 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,865 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,866 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:44:02 BoogieIcfgContainer [2018-12-08 17:44:02,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:44:02,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:44:02,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:44:02,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:44:02,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:39:24" (3/4) ... [2018-12-08 17:44:02,871 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:44:02,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:44:02,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:44:02,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:44:02,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:44:02,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:44:02,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((a4 <= 0 && (\exists v_~a29~0_549 : int :: (\old(a29) <= v_~a29~0_549 && 0 <= v_~a29~0_549 + 69157) && a29 <= (v_~a29~0_549 + 69157) % 299861 + 300138)) && 130 <= a29) || ((\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 + 299881 <= v_prenex_11 % 299861) && 1 == a4)) || \old(a29) < 130) || ((a25 == 9 && 1 == a4) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || !(10 == \old(a25))) || (((a4 <= 0 && !(a25 == 12)) && a23 + 43 <= 0) && a29 <= 140)) || !(1 == a3)) || 130 < \old(a29)) || ((a29 <= 599998 && !(a25 == 12)) && 1 == a4)) || ((1 == a4 && 307 <= a23) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || (a4 <= 0 && a29 + 22 <= 0)) || !(312 == \old(a23))) || !(15 == a8)) || ((246 <= a29 && a29 <= 599998) && 1 == a4)) || !(1 == \old(a4)) [2018-12-08 17:44:02,966 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d4d1b70-f8f8-4f61-926f-bbd1b4e5eab8/bin-2019/utaipan/witness.graphml [2018-12-08 17:44:02,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:44:02,966 INFO L168 Benchmark]: Toolchain (without parser) took 280022.81 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 941.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,967 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:44:02,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,967 INFO L168 Benchmark]: Boogie Preprocessor took 51.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,968 INFO L168 Benchmark]: RCFGBuilder took 1063.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.8 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,968 INFO L168 Benchmark]: TraceAbstraction took 278306.36 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 925.8 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-08 17:44:02,968 INFO L168 Benchmark]: Witness Printer took 98.06 ms. Allocated memory is still 5.0 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:44:02,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 474.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -170.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1063.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 925.8 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278306.36 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 925.8 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 98.06 ms. Allocated memory is still 5.0 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 1034]: Loop Invariant [2018-12-08 17:44:02,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,974 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_549,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,975 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] [2018-12-08 17:44:02,976 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_11,QUANTIFIED] Derived loop invariant: (((((((((((((((a4 <= 0 && (\exists v_~a29~0_549 : int :: (\old(a29) <= v_~a29~0_549 && 0 <= v_~a29~0_549 + 69157) && a29 <= (v_~a29~0_549 + 69157) % 299861 + 300138)) && 130 <= a29) || ((\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 + 299881 <= v_prenex_11 % 299861) && 1 == a4)) || \old(a29) < 130) || ((a25 == 9 && 1 == a4) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || !(10 == \old(a25))) || (((a4 <= 0 && !(a25 == 12)) && a23 + 43 <= 0) && a29 <= 140)) || !(1 == a3)) || 130 < \old(a29)) || ((a29 <= 599998 && !(a25 == 12)) && 1 == a4)) || ((1 == a4 && 307 <= a23) && (\exists v_prenex_11 : int :: (277 < v_prenex_11 && 0 <= v_prenex_11) && a29 <= v_prenex_11 % 299861 + 300139))) || (a4 <= 0 && a29 + 22 <= 0)) || !(312 == \old(a23))) || !(15 == a8)) || ((246 <= a29 && a29 <= 599998) && 1 == a4)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 278.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 148.8s AutomataDifference, 0.0s DeadEndRemovalTime, 105.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2014 SDtfs, 15879 SDslu, 1846 SDs, 0 SdLazy, 25132 SolverSat, 6071 SolverUnsat, 47 SolverUnknown, 0 SolverNotchecked, 124.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 4254 GetRequests, 3905 SyntacticMatches, 13 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 19103 ImplicationChecksByTransitivity, 22.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11335occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 11.6s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9973047730467387 AbsIntWeakeningRatio, 0.1225296442687747 AbsIntAvgWeakeningVarsNumRemoved, 18.288537549407113 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2492 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 347 PreInvPairs, 669 NumberOfFragments, 775 HoareAnnotationTreeSize, 347 FomulaSimplifications, 51784 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26674 FormulaSimplificationTreeSizeReductionInter, 104.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 4703 NumberOfCodeBlocks, 4703 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6305 ConstructedInterpolants, 43 QuantifiedInterpolants, 8146892 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2734 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 4290/5376 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...