./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/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 9aed91daf686837f7bc54e69e27260eed52fbd4d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:42:37,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:42:37,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:42:37,539 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:42:37,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:42:37,540 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:42:37,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:42:37,542 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:42:37,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:42:37,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:42:37,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:42:37,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:42:37,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:42:37,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:42:37,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:42:37,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:42:37,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:42:37,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:42:37,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:42:37,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:42:37,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:42:37,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:42:37,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:42:37,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:42:37,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:42:37,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:42:37,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:42:37,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:42:37,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:42:37,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:42:37,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:42:37,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:42:37,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:42:37,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:42:37,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:42:37,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:42:37,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:42:37,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:42:37,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:42:37,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:42:37,572 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:42:37,572 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:42:37,573 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:42:37,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:42:37,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:42:37,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:42:37,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:42:37,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:42:37,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:42:37,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:42:37,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:42:37,576 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:42:37,576 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_98a30920-af92-4054-9c98-014c59233cab/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 -> 9aed91daf686837f7bc54e69e27260eed52fbd4d [2018-11-18 09:42:37,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:42:37,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:42:37,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:42:37,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:42:37,610 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:42:37,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-18 09:42:37,652 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/data/5788bbe59/1334d68e192940099ce620801fab44f4/FLAGa6c3680ad [2018-11-18 09:42:38,144 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:42:38,145 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/sv-benchmarks/c/eca-rers2012/Problem11_label07_true-unreach-call.c [2018-11-18 09:42:38,155 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/data/5788bbe59/1334d68e192940099ce620801fab44f4/FLAGa6c3680ad [2018-11-18 09:42:38,629 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/data/5788bbe59/1334d68e192940099ce620801fab44f4 [2018-11-18 09:42:38,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:42:38,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:42:38,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:42:38,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:42:38,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:42:38,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:42:38" (1/1) ... [2018-11-18 09:42:38,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:38, skipping insertion in model container [2018-11-18 09:42:38,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:42:38" (1/1) ... [2018-11-18 09:42:38,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:42:38,681 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:42:38,988 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:42:38,991 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:42:39,088 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:42:39,098 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:42:39,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39 WrapperNode [2018-11-18 09:42:39,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:42:39,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:42:39,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:42:39,100 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:42:39,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:42:39,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:42:39,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:42:39,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:42:39,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... [2018-11-18 09:42:39,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:42:39,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:42:39,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:42:39,247 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:42:39,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:42:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:42:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:42:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:42:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:42:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:42:39,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:42:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:42:39,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:42:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:42:40,536 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:42:40,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:42:40 BoogieIcfgContainer [2018-11-18 09:42:40,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:42:40,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:42:40,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:42:40,539 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:42:40,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:42:38" (1/3) ... [2018-11-18 09:42:40,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f0cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:42:40, skipping insertion in model container [2018-11-18 09:42:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:42:39" (2/3) ... [2018-11-18 09:42:40,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f0cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:42:40, skipping insertion in model container [2018-11-18 09:42:40,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:42:40" (3/3) ... [2018-11-18 09:42:40,541 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label07_true-unreach-call.c [2018-11-18 09:42:40,547 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:42:40,553 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:42:40,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:42:40,585 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:42:40,585 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:42:40,585 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:42:40,585 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:42:40,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:42:40,590 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:42:40,590 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:42:40,590 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:42:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 09:42:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 09:42:40,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:42:40,616 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:42:40,618 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:42:40,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:40,623 INFO L82 PathProgramCache]: Analyzing trace with hash 816116164, now seen corresponding path program 1 times [2018-11-18 09:42:40,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:42:40,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:40,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:42:40,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:40,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:42:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:42:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:42:40,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:42:40,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:42:40,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:42:40,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:42:40,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:42:40,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:42:40,851 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-18 09:42:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:42:41,930 INFO L93 Difference]: Finished difference Result 985 states and 1761 transitions. [2018-11-18 09:42:41,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:42:41,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-18 09:42:41,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:42:41,945 INFO L225 Difference]: With dead ends: 985 [2018-11-18 09:42:41,945 INFO L226 Difference]: Without dead ends: 686 [2018-11-18 09:42:41,950 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:42:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-11-18 09:42:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2018-11-18 09:42:41,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-11-18 09:42:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1046 transitions. [2018-11-18 09:42:42,003 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1046 transitions. Word has length 30 [2018-11-18 09:42:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:42:42,004 INFO L480 AbstractCegarLoop]: Abstraction has 686 states and 1046 transitions. [2018-11-18 09:42:42,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:42:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1046 transitions. [2018-11-18 09:42:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 09:42:42,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:42:42,008 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:42:42,008 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:42:42,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:42,009 INFO L82 PathProgramCache]: Analyzing trace with hash -348576157, now seen corresponding path program 1 times [2018-11-18 09:42:42,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:42:42,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:42,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:42:42,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:42,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:42:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:42:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:42:42,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:42:42,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:42:42,152 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:42:42,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:42:42,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:42:42,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:42:42,154 INFO L87 Difference]: Start difference. First operand 686 states and 1046 transitions. Second operand 6 states. [2018-11-18 09:42:43,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:42:43,856 INFO L93 Difference]: Finished difference Result 2339 states and 3735 transitions. [2018-11-18 09:42:43,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:42:43,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-11-18 09:42:43,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:42:43,865 INFO L225 Difference]: With dead ends: 2339 [2018-11-18 09:42:43,865 INFO L226 Difference]: Without dead ends: 1659 [2018-11-18 09:42:43,868 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:42:43,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2018-11-18 09:42:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1642. [2018-11-18 09:42:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2018-11-18 09:42:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2355 transitions. [2018-11-18 09:42:43,914 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2355 transitions. Word has length 111 [2018-11-18 09:42:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:42:43,915 INFO L480 AbstractCegarLoop]: Abstraction has 1642 states and 2355 transitions. [2018-11-18 09:42:43,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:42:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2355 transitions. [2018-11-18 09:42:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 09:42:43,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:42:43,921 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:42:43,921 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:42:43,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:43,921 INFO L82 PathProgramCache]: Analyzing trace with hash -786366209, now seen corresponding path program 1 times [2018-11-18 09:42:43,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:42:43,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:43,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:42:43,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:43,923 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:42:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:42:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:42:44,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:42:44,096 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:42:44,096 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 09:42:44,098 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:42:44,127 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:42:44,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:42:44,839 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:42:44,840 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Performed 5617 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 09:42:44,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:44,851 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:42:44,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:42:44,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:42:44,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:42:44,865 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:42:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:42:44,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:42:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:42:45,000 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:42:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:42:45,134 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:42:45,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 09:42:45,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:42:45,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:42:45,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:42:45,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:42:45,135 INFO L87 Difference]: Start difference. First operand 1642 states and 2355 transitions. Second operand 3 states. [2018-11-18 09:42:45,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:42:45,796 INFO L93 Difference]: Finished difference Result 4074 states and 5990 transitions. [2018-11-18 09:42:45,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:42:45,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-18 09:42:45,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:42:45,805 INFO L225 Difference]: With dead ends: 4074 [2018-11-18 09:42:45,806 INFO L226 Difference]: Without dead ends: 2438 [2018-11-18 09:42:45,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:42:45,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2018-11-18 09:42:45,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2433. [2018-11-18 09:42:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2433 states. [2018-11-18 09:42:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3358 transitions. [2018-11-18 09:42:45,851 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3358 transitions. Word has length 162 [2018-11-18 09:42:45,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:42:45,852 INFO L480 AbstractCegarLoop]: Abstraction has 2433 states and 3358 transitions. [2018-11-18 09:42:45,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:42:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3358 transitions. [2018-11-18 09:42:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 09:42:45,854 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:42:45,854 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:42:45,855 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:42:45,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:45,855 INFO L82 PathProgramCache]: Analyzing trace with hash 108502548, now seen corresponding path program 1 times [2018-11-18 09:42:45,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:42:45,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:45,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:42:45,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:42:45,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:42:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:42:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:42:45,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:42:45,968 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:42:45,968 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-18 09:42:45,969 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [538], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:42:45,971 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:42:45,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:42:46,104 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:42:46,104 INFO L272 AbstractInterpreter]: Visited 86 different actions 86 times. Never merged. Never widened. Performed 946 root evaluator evaluations with a maximum evaluation depth of 14. Performed 946 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 09:42:46,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:42:46,113 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:42:46,417 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 73.22% of their original sizes. [2018-11-18 09:42:46,417 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:42:46,446 INFO L415 sIntCurrentIteration]: We unified 183 AI predicates to 183 [2018-11-18 09:42:46,447 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:42:46,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:42:46,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 09:42:46,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:42:46,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:42:46,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:42:46,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:42:46,448 INFO L87 Difference]: Start difference. First operand 2433 states and 3358 transitions. Second operand 6 states. [2018-11-18 09:43:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:17,821 INFO L93 Difference]: Finished difference Result 5052 states and 6930 transitions. [2018-11-18 09:43:17,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:43:17,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2018-11-18 09:43:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:17,829 INFO L225 Difference]: With dead ends: 5052 [2018-11-18 09:43:17,830 INFO L226 Difference]: Without dead ends: 2625 [2018-11-18 09:43:17,833 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:43:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2018-11-18 09:43:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2623. [2018-11-18 09:43:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2623 states. [2018-11-18 09:43:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 3557 transitions. [2018-11-18 09:43:17,869 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 3557 transitions. Word has length 184 [2018-11-18 09:43:17,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:17,869 INFO L480 AbstractCegarLoop]: Abstraction has 2623 states and 3557 transitions. [2018-11-18 09:43:17,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:43:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 3557 transitions. [2018-11-18 09:43:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 09:43:17,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:17,871 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:43:17,872 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:17,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:17,872 INFO L82 PathProgramCache]: Analyzing trace with hash -476719494, now seen corresponding path program 1 times [2018-11-18 09:43:17,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:43:17,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:17,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:17,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:17,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:43:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 09:43:17,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:43:17,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:43:17,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:43:17,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:43:17,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:43:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:43:17,968 INFO L87 Difference]: Start difference. First operand 2623 states and 3557 transitions. Second operand 4 states. [2018-11-18 09:43:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:18,895 INFO L93 Difference]: Finished difference Result 8969 states and 12816 transitions. [2018-11-18 09:43:18,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:43:18,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2018-11-18 09:43:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:18,913 INFO L225 Difference]: With dead ends: 8969 [2018-11-18 09:43:18,914 INFO L226 Difference]: Without dead ends: 6542 [2018-11-18 09:43:18,921 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:43:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6542 states. [2018-11-18 09:43:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6542 to 5943. [2018-11-18 09:43:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5943 states. [2018-11-18 09:43:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5943 states to 5943 states and 8054 transitions. [2018-11-18 09:43:19,005 INFO L78 Accepts]: Start accepts. Automaton has 5943 states and 8054 transitions. Word has length 228 [2018-11-18 09:43:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:19,006 INFO L480 AbstractCegarLoop]: Abstraction has 5943 states and 8054 transitions. [2018-11-18 09:43:19,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:43:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5943 states and 8054 transitions. [2018-11-18 09:43:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 09:43:19,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:19,011 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:43:19,011 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:19,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:19,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1938686927, now seen corresponding path program 1 times [2018-11-18 09:43:19,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:43:19,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:19,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:19,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:19,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:43:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 51 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:43:19,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:43:19,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:43:19,172 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-11-18 09:43:19,172 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [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], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:43:19,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:43:19,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:43:19,365 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:43:19,365 INFO L272 AbstractInterpreter]: Visited 141 different actions 421 times. Merged at 7 different actions 21 times. Never widened. Performed 5786 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5786 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 09:43:19,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:19,377 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:43:19,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:43:19,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:43:19,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:19,384 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:43:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:19,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:43:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 09:43:19,526 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:43:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 51 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:19,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:43:19,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2018-11-18 09:43:19,824 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:43:19,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:43:19,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:43:19,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:43:19,825 INFO L87 Difference]: Start difference. First operand 5943 states and 8054 transitions. Second operand 9 states. [2018-11-18 09:43:22,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:22,054 INFO L93 Difference]: Finished difference Result 19370 states and 28686 transitions. [2018-11-18 09:43:22,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:43:22,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 267 [2018-11-18 09:43:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:22,097 INFO L225 Difference]: With dead ends: 19370 [2018-11-18 09:43:22,098 INFO L226 Difference]: Without dead ends: 13623 [2018-11-18 09:43:22,116 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 530 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=455, Unknown=0, NotChecked=0, Total=650 [2018-11-18 09:43:22,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13623 states. [2018-11-18 09:43:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13623 to 13021. [2018-11-18 09:43:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13021 states. [2018-11-18 09:43:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13021 states to 13021 states and 18583 transitions. [2018-11-18 09:43:22,347 INFO L78 Accepts]: Start accepts. Automaton has 13021 states and 18583 transitions. Word has length 267 [2018-11-18 09:43:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:22,348 INFO L480 AbstractCegarLoop]: Abstraction has 13021 states and 18583 transitions. [2018-11-18 09:43:22,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:43:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 13021 states and 18583 transitions. [2018-11-18 09:43:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-18 09:43:22,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:22,359 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:43:22,360 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:22,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:22,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1634824326, now seen corresponding path program 1 times [2018-11-18 09:43:22,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:43:22,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:22,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:22,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:22,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:43:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 145 proven. 72 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 09:43:22,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:43:22,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:43:22,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 326 with the following transitions: [2018-11-18 09:43:22,505 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:43:22,508 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:43:22,508 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:43:22,703 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:43:22,703 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 5 different actions 5 times. Never widened. Performed 3125 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3125 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 09:43:22,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:22,713 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:43:22,969 INFO L227 lantSequenceWeakener]: Weakened 322 states. On average, predicates are now at 75.1% of their original sizes. [2018-11-18 09:43:22,970 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:43:23,043 INFO L415 sIntCurrentIteration]: We unified 324 AI predicates to 324 [2018-11-18 09:43:23,043 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:43:23,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:43:23,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 09:43:23,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:43:23,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:43:23,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:43:23,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:43:23,044 INFO L87 Difference]: Start difference. First operand 13021 states and 18583 transitions. Second operand 10 states. [2018-11-18 09:44:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:42,345 INFO L93 Difference]: Finished difference Result 26053 states and 37325 transitions. [2018-11-18 09:44:42,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:44:42,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 325 [2018-11-18 09:44:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:44:42,374 INFO L225 Difference]: With dead ends: 26053 [2018-11-18 09:44:42,375 INFO L226 Difference]: Without dead ends: 13417 [2018-11-18 09:44:42,398 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 333 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:44:42,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13417 states. [2018-11-18 09:44:42,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13417 to 13406. [2018-11-18 09:44:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13406 states. [2018-11-18 09:44:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13406 states to 13406 states and 19067 transitions. [2018-11-18 09:44:42,570 INFO L78 Accepts]: Start accepts. Automaton has 13406 states and 19067 transitions. Word has length 325 [2018-11-18 09:44:42,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:44:42,571 INFO L480 AbstractCegarLoop]: Abstraction has 13406 states and 19067 transitions. [2018-11-18 09:44:42,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:44:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 13406 states and 19067 transitions. [2018-11-18 09:44:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-11-18 09:44:42,581 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:44:42,581 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:44:42,582 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:44:42,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:42,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1560363361, now seen corresponding path program 1 times [2018-11-18 09:44:42,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:44:42,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:42,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:42,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:42,583 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:44:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 249 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 09:44:42,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:42,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:44:42,738 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 327 with the following transitions: [2018-11-18 09:44:42,738 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:44:42,740 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:44:42,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:44:43,073 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:44:43,073 INFO L272 AbstractInterpreter]: Visited 127 different actions 372 times. Merged at 7 different actions 15 times. Never widened. Performed 4892 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4892 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 09:44:43,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:43,081 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:44:43,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:43,082 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:44:43,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:43,178 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:44:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:43,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:44:43,284 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 249 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 09:44:43,284 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:44:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 249 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 09:44:43,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:44:43,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 09:44:43,417 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:44:43,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:44:43,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:44:43,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:44:43,418 INFO L87 Difference]: Start difference. First operand 13406 states and 19067 transitions. Second operand 6 states. [2018-11-18 09:44:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:44,210 INFO L93 Difference]: Finished difference Result 25408 states and 37462 transitions. [2018-11-18 09:44:44,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:44:44,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 326 [2018-11-18 09:44:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:44:44,246 INFO L225 Difference]: With dead ends: 25408 [2018-11-18 09:44:44,246 INFO L226 Difference]: Without dead ends: 12774 [2018-11-18 09:44:44,267 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 653 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:44:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12774 states. [2018-11-18 09:44:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12774 to 11935. [2018-11-18 09:44:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11935 states. [2018-11-18 09:44:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11935 states to 11935 states and 15754 transitions. [2018-11-18 09:44:44,417 INFO L78 Accepts]: Start accepts. Automaton has 11935 states and 15754 transitions. Word has length 326 [2018-11-18 09:44:44,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:44:44,418 INFO L480 AbstractCegarLoop]: Abstraction has 11935 states and 15754 transitions. [2018-11-18 09:44:44,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:44:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11935 states and 15754 transitions. [2018-11-18 09:44:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-18 09:44:44,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:44:44,429 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 09:44:44,429 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:44:44,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:44,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1489764482, now seen corresponding path program 1 times [2018-11-18 09:44:44,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:44:44,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:44,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:44,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:44,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:44:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 75 proven. 188 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 09:44:44,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:44,587 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:44:44,587 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 340 with the following transitions: [2018-11-18 09:44:44,588 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:44:44,589 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:44:44,589 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:44:44,892 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:44:44,892 INFO L272 AbstractInterpreter]: Visited 127 different actions 499 times. Merged at 8 different actions 26 times. Never widened. Performed 6783 root evaluator evaluations with a maximum evaluation depth of 16. Performed 6783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 6 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 09:44:44,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:44,902 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:44:44,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:44,902 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:44:44,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:44,918 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:44:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:44,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:44:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 09:44:45,042 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:44:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 09:44:45,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:44:45,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 09:44:45,266 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:44:45,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:44:45,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:44:45,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:44:45,267 INFO L87 Difference]: Start difference. First operand 11935 states and 15754 transitions. Second operand 10 states. [2018-11-18 09:44:50,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:44:50,344 INFO L93 Difference]: Finished difference Result 45418 states and 64811 transitions. [2018-11-18 09:44:50,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-18 09:44:50,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 339 [2018-11-18 09:44:50,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:44:50,455 INFO L225 Difference]: With dead ends: 45418 [2018-11-18 09:44:50,455 INFO L226 Difference]: Without dead ends: 33867 [2018-11-18 09:44:50,511 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 732 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1836 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=766, Invalid=4636, Unknown=0, NotChecked=0, Total=5402 [2018-11-18 09:44:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33867 states. [2018-11-18 09:44:50,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33867 to 33301. [2018-11-18 09:44:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33301 states. [2018-11-18 09:44:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33301 states to 33301 states and 43211 transitions. [2018-11-18 09:44:51,061 INFO L78 Accepts]: Start accepts. Automaton has 33301 states and 43211 transitions. Word has length 339 [2018-11-18 09:44:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:44:51,062 INFO L480 AbstractCegarLoop]: Abstraction has 33301 states and 43211 transitions. [2018-11-18 09:44:51,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:44:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 33301 states and 43211 transitions. [2018-11-18 09:44:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-18 09:44:51,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:44:51,092 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 09:44:51,093 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:44:51,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:51,093 INFO L82 PathProgramCache]: Analyzing trace with hash 759097041, now seen corresponding path program 1 times [2018-11-18 09:44:51,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:44:51,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:51,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:51,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:51,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:44:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 75 proven. 206 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 09:44:51,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:51,258 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:44:51,258 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-11-18 09:44:51,259 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [642], [646], [650], [653], [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], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:44:51,261 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:44:51,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:44:51,712 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:44:51,712 INFO L272 AbstractInterpreter]: Visited 142 different actions 561 times. Merged at 8 different actions 27 times. Never widened. Performed 7878 root evaluator evaluations with a maximum evaluation depth of 15. Performed 7878 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 09:44:51,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:51,734 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:44:51,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:44:51,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:44:51,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:51,748 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:44:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:44:51,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:44:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 256 proven. 107 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 09:44:54,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:44:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 180 proven. 104 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 09:44:54,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:44:54,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-18 09:44:54,497 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:44:54,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:44:54,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:44:54,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2018-11-18 09:44:54,498 INFO L87 Difference]: Start difference. First operand 33301 states and 43211 transitions. Second operand 10 states. [2018-11-18 09:45:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:45:58,197 INFO L93 Difference]: Finished difference Result 83737 states and 124782 transitions. [2018-11-18 09:45:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 09:45:58,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 375 [2018-11-18 09:45:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:45:58,405 INFO L225 Difference]: With dead ends: 83737 [2018-11-18 09:45:58,405 INFO L226 Difference]: Without dead ends: 50822 [2018-11-18 09:45:58,490 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 762 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=224, Invalid=631, Unknown=15, NotChecked=0, Total=870 [2018-11-18 09:45:58,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50822 states. [2018-11-18 09:45:59,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50822 to 49003. [2018-11-18 09:45:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49003 states. [2018-11-18 09:45:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49003 states to 49003 states and 66360 transitions. [2018-11-18 09:45:59,276 INFO L78 Accepts]: Start accepts. Automaton has 49003 states and 66360 transitions. Word has length 375 [2018-11-18 09:45:59,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:45:59,277 INFO L480 AbstractCegarLoop]: Abstraction has 49003 states and 66360 transitions. [2018-11-18 09:45:59,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:45:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49003 states and 66360 transitions. [2018-11-18 09:45:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2018-11-18 09:45:59,380 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:45:59,380 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:45:59,380 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:45:59,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:45:59,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1605365467, now seen corresponding path program 1 times [2018-11-18 09:45:59,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:45:59,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:59,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:45:59,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:59,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:45:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:45:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 367 proven. 21 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-18 09:45:59,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:45:59,682 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:45:59,682 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 480 with the following transitions: [2018-11-18 09:45:59,682 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [534], [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], [641], [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], [777], [781], [784], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:45:59,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:45:59,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:46:02,325 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:46:02,325 INFO L272 AbstractInterpreter]: Visited 145 different actions 443 times. Merged at 9 different actions 31 times. Never widened. Performed 6101 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6101 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 7 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 09:46:02,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:02,326 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:46:02,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:02,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:46:02,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:02,333 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:46:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:02,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 09:46:02,606 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:46:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 313 proven. 104 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2018-11-18 09:46:02,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:46:02,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2018-11-18 09:46:02,811 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:46:02,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:46:02,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:46:02,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:46:02,812 INFO L87 Difference]: Start difference. First operand 49003 states and 66360 transitions. Second operand 10 states. [2018-11-18 09:46:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:10,253 INFO L93 Difference]: Finished difference Result 134384 states and 225990 transitions. [2018-11-18 09:46:10,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-11-18 09:46:10,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 479 [2018-11-18 09:46:10,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:10,603 INFO L225 Difference]: With dead ends: 134384 [2018-11-18 09:46:10,603 INFO L226 Difference]: Without dead ends: 86932 [2018-11-18 09:46:10,853 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 1000 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1568 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=799, Invalid=3893, Unknown=0, NotChecked=0, Total=4692 [2018-11-18 09:46:10,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86932 states. [2018-11-18 09:46:12,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86932 to 82212. [2018-11-18 09:46:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82212 states. [2018-11-18 09:46:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82212 states to 82212 states and 106248 transitions. [2018-11-18 09:46:12,637 INFO L78 Accepts]: Start accepts. Automaton has 82212 states and 106248 transitions. Word has length 479 [2018-11-18 09:46:12,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:12,637 INFO L480 AbstractCegarLoop]: Abstraction has 82212 states and 106248 transitions. [2018-11-18 09:46:12,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:46:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 82212 states and 106248 transitions. [2018-11-18 09:46:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-11-18 09:46:12,746 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:12,747 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 09:46:12,747 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:12,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1966957764, now seen corresponding path program 1 times [2018-11-18 09:46:12,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:46:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:12,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:12,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:46:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 09:46:12,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:12,896 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:46:12,896 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 488 with the following transitions: [2018-11-18 09:46:12,896 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:46:12,898 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:46:12,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:46:13,341 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:46:13,341 INFO L272 AbstractInterpreter]: Visited 149 different actions 735 times. Merged at 9 different actions 40 times. Never widened. Performed 10306 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 11 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 09:46:13,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:13,345 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:46:13,345 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:13,345 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:46:13,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:13,351 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:46:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:13,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-11-18 09:46:13,467 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:46:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 09:46:13,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:46:13,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-18 09:46:13,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:46:13,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:46:13,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:46:13,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:46:13,555 INFO L87 Difference]: Start difference. First operand 82212 states and 106248 transitions. Second operand 3 states. [2018-11-18 09:46:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:14,820 INFO L93 Difference]: Finished difference Result 181175 states and 240788 transitions. [2018-11-18 09:46:14,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:46:14,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 487 [2018-11-18 09:46:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:14,978 INFO L225 Difference]: With dead ends: 181175 [2018-11-18 09:46:14,978 INFO L226 Difference]: Without dead ends: 80326 [2018-11-18 09:46:15,181 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 975 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:46:15,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80326 states. [2018-11-18 09:46:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80326 to 80324. [2018-11-18 09:46:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80324 states. [2018-11-18 09:46:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80324 states to 80324 states and 99513 transitions. [2018-11-18 09:46:18,295 INFO L78 Accepts]: Start accepts. Automaton has 80324 states and 99513 transitions. Word has length 487 [2018-11-18 09:46:18,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:18,296 INFO L480 AbstractCegarLoop]: Abstraction has 80324 states and 99513 transitions. [2018-11-18 09:46:18,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:46:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 80324 states and 99513 transitions. [2018-11-18 09:46:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-11-18 09:46:18,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:18,454 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 09:46:18,454 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:18,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:18,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1554889697, now seen corresponding path program 1 times [2018-11-18 09:46:18,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:46:18,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:18,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:18,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:18,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:46:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 115 proven. 304 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2018-11-18 09:46:18,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:18,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:46:18,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-11-18 09:46:18,695 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [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], [792], [793], [797], [808], [811], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:46:18,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:46:18,697 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:46:18,997 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:46:18,997 INFO L272 AbstractInterpreter]: Visited 159 different actions 639 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 9082 root evaluator evaluations with a maximum evaluation depth of 15. Performed 9082 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 09:46:18,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:18,999 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:46:18,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:18,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:46:19,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:19,006 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:46:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:19,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 398 proven. 2 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-11-18 09:46:19,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:46:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 115 proven. 561 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 09:46:19,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:46:19,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-11-18 09:46:19,608 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:46:19,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:46:19,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:46:19,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-18 09:46:19,609 INFO L87 Difference]: Start difference. First operand 80324 states and 99513 transitions. Second operand 9 states. [2018-11-18 09:46:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:22,373 INFO L93 Difference]: Finished difference Result 190314 states and 242349 transitions. [2018-11-18 09:46:22,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 09:46:22,373 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 554 [2018-11-18 09:46:22,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:22,815 INFO L225 Difference]: With dead ends: 190314 [2018-11-18 09:46:22,815 INFO L226 Difference]: Without dead ends: 115798 [2018-11-18 09:46:22,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1130 GetRequests, 1109 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2018-11-18 09:46:22,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115798 states. [2018-11-18 09:46:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115798 to 109534. [2018-11-18 09:46:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109534 states. [2018-11-18 09:46:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109534 states to 109534 states and 139609 transitions. [2018-11-18 09:46:24,371 INFO L78 Accepts]: Start accepts. Automaton has 109534 states and 139609 transitions. Word has length 554 [2018-11-18 09:46:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:24,372 INFO L480 AbstractCegarLoop]: Abstraction has 109534 states and 139609 transitions. [2018-11-18 09:46:24,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:46:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 109534 states and 139609 transitions. [2018-11-18 09:46:24,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2018-11-18 09:46:24,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:24,555 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:46:24,555 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:24,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:24,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1285057489, now seen corresponding path program 1 times [2018-11-18 09:46:24,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:46:24,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:24,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:24,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:24,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:46:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 319 proven. 104 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2018-11-18 09:46:24,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:24,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:46:24,940 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 569 with the following transitions: [2018-11-18 09:46:24,940 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [642], [646], [650], [653], [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], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:46:24,942 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:46:24,942 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:46:25,337 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:46:25,337 INFO L272 AbstractInterpreter]: Visited 188 different actions 562 times. Merged at 9 different actions 24 times. Never widened. Performed 7956 root evaluator evaluations with a maximum evaluation depth of 18. Performed 7956 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-18 09:46:25,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:25,346 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:46:25,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:46:25,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:46:25,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:25,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:46:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:25,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:26,494 WARN L180 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-11-18 09:46:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 475 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-11-18 09:46:29,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:46:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 248 proven. 209 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-11-18 09:46:29,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:46:29,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 5] total 14 [2018-11-18 09:46:29,574 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:46:29,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:46:29,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:46:29,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=137, Unknown=2, NotChecked=0, Total=182 [2018-11-18 09:46:29,575 INFO L87 Difference]: Start difference. First operand 109534 states and 139609 transitions. Second operand 12 states. [2018-11-18 09:46:31,830 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 36 DAG size of output: 17 [2018-11-18 09:47:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:09,057 INFO L93 Difference]: Finished difference Result 220376 states and 296215 transitions. [2018-11-18 09:47:09,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 09:47:09,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 568 [2018-11-18 09:47:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:09,358 INFO L225 Difference]: With dead ends: 220376 [2018-11-18 09:47:09,358 INFO L226 Difference]: Without dead ends: 109368 [2018-11-18 09:47:09,619 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1202 GetRequests, 1155 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=409, Invalid=1658, Unknown=3, NotChecked=0, Total=2070 [2018-11-18 09:47:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109368 states. [2018-11-18 09:47:10,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109368 to 107689. [2018-11-18 09:47:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107689 states. [2018-11-18 09:47:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107689 states to 107689 states and 132364 transitions. [2018-11-18 09:47:11,532 INFO L78 Accepts]: Start accepts. Automaton has 107689 states and 132364 transitions. Word has length 568 [2018-11-18 09:47:11,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:11,533 INFO L480 AbstractCegarLoop]: Abstraction has 107689 states and 132364 transitions. [2018-11-18 09:47:11,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:47:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 107689 states and 132364 transitions. [2018-11-18 09:47:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2018-11-18 09:47:11,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:11,669 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:11,669 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:11,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:11,670 INFO L82 PathProgramCache]: Analyzing trace with hash -371693766, now seen corresponding path program 1 times [2018-11-18 09:47:11,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:11,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:11,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:11,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:11,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 423 proven. 100 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 09:47:11,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:11,897 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:47:11,898 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 590 with the following transitions: [2018-11-18 09:47:11,898 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:47:11,900 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:47:11,900 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:47:12,160 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:47:12,161 INFO L272 AbstractInterpreter]: Visited 149 different actions 595 times. Merged at 9 different actions 34 times. Never widened. Performed 8180 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8180 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 09:47:12,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:12,169 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:47:12,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:12,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:47:12,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:12,178 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:47:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:12,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:47:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 782 proven. 2 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2018-11-18 09:47:12,387 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:47:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 423 proven. 100 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-11-18 09:47:12,574 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:47:12,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 09:47:12,574 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:47:12,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:47:12,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:47:12,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:47:12,575 INFO L87 Difference]: Start difference. First operand 107689 states and 132364 transitions. Second operand 9 states. [2018-11-18 09:47:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:14,848 INFO L93 Difference]: Finished difference Result 204133 states and 259438 transitions. [2018-11-18 09:47:14,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:47:14,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 589 [2018-11-18 09:47:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:15,077 INFO L225 Difference]: With dead ends: 204133 [2018-11-18 09:47:15,077 INFO L226 Difference]: Without dead ends: 97216 [2018-11-18 09:47:15,305 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1180 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:47:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97216 states. [2018-11-18 09:47:16,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97216 to 95394. [2018-11-18 09:47:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95394 states. [2018-11-18 09:47:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95394 states to 95394 states and 113536 transitions. [2018-11-18 09:47:16,762 INFO L78 Accepts]: Start accepts. Automaton has 95394 states and 113536 transitions. Word has length 589 [2018-11-18 09:47:16,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:16,762 INFO L480 AbstractCegarLoop]: Abstraction has 95394 states and 113536 transitions. [2018-11-18 09:47:16,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:47:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 95394 states and 113536 transitions. [2018-11-18 09:47:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2018-11-18 09:47:16,838 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:16,838 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:16,839 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:16,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:16,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1590398435, now seen corresponding path program 1 times [2018-11-18 09:47:16,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:16,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:16,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:16,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:16,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 520 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 09:47:17,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:17,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:47:17,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 591 with the following transitions: [2018-11-18 09:47:17,146 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:47:17,148 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:47:17,148 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:47:17,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:47:17,628 INFO L272 AbstractInterpreter]: Visited 152 different actions 746 times. Merged at 10 different actions 44 times. Widened at 1 different actions 1 times. Performed 10409 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10409 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 12 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 09:47:17,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:17,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:47:17,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:17,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:47:17,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:17,641 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:47:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:17,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:47:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 520 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 09:47:17,898 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:47:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 520 proven. 2 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2018-11-18 09:47:18,095 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:47:18,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2018-11-18 09:47:18,095 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:47:18,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:47:18,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:47:18,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:47:18,096 INFO L87 Difference]: Start difference. First operand 95394 states and 113536 transitions. Second operand 7 states. [2018-11-18 09:47:20,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:20,971 INFO L93 Difference]: Finished difference Result 184100 states and 222973 transitions. [2018-11-18 09:47:20,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 09:47:20,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 590 [2018-11-18 09:47:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:21,146 INFO L225 Difference]: With dead ends: 184100 [2018-11-18 09:47:21,146 INFO L226 Difference]: Without dead ends: 83764 [2018-11-18 09:47:21,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1200 GetRequests, 1182 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:47:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83764 states. [2018-11-18 09:47:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83764 to 77203. [2018-11-18 09:47:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77203 states. [2018-11-18 09:47:22,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77203 states to 77203 states and 90000 transitions. [2018-11-18 09:47:22,198 INFO L78 Accepts]: Start accepts. Automaton has 77203 states and 90000 transitions. Word has length 590 [2018-11-18 09:47:22,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:22,198 INFO L480 AbstractCegarLoop]: Abstraction has 77203 states and 90000 transitions. [2018-11-18 09:47:22,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:47:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 77203 states and 90000 transitions. [2018-11-18 09:47:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2018-11-18 09:47:22,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:22,276 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:47:22,276 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:22,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:22,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1195229253, now seen corresponding path program 1 times [2018-11-18 09:47:22,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:22,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:22,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:22,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:22,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:22,562 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 09:47:22,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:22,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:47:22,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 638 with the following transitions: [2018-11-18 09:47:22,563 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [641], [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], [819], [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], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1013], [1017], [1021], [1032], [1036], [1040], [1044], [1055], [1059], [1063], [1067], [1070], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:47:22,565 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:47:22,565 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:47:23,503 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:47:23,503 INFO L272 AbstractInterpreter]: Visited 199 different actions 794 times. Merged at 9 different actions 35 times. Never widened. Performed 11400 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11400 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 09:47:23,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:23,509 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:47:23,509 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:23,509 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:47:23,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:23,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:47:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:23,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:47:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 09:47:23,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:47:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2018-11-18 09:47:23,924 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:47:23,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 09:47:23,924 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:47:23,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:47:23,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:47:23,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:47:23,925 INFO L87 Difference]: Start difference. First operand 77203 states and 90000 transitions. Second operand 7 states. [2018-11-18 09:47:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:25,502 INFO L93 Difference]: Finished difference Result 136806 states and 160814 transitions. [2018-11-18 09:47:25,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:47:25,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 637 [2018-11-18 09:47:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:25,684 INFO L225 Difference]: With dead ends: 136806 [2018-11-18 09:47:25,684 INFO L226 Difference]: Without dead ends: 78675 [2018-11-18 09:47:25,766 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1287 GetRequests, 1275 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:47:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78675 states. [2018-11-18 09:47:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78675 to 76636. [2018-11-18 09:47:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76636 states. [2018-11-18 09:47:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76636 states to 76636 states and 89271 transitions. [2018-11-18 09:47:26,845 INFO L78 Accepts]: Start accepts. Automaton has 76636 states and 89271 transitions. Word has length 637 [2018-11-18 09:47:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:26,845 INFO L480 AbstractCegarLoop]: Abstraction has 76636 states and 89271 transitions. [2018-11-18 09:47:26,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:47:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 76636 states and 89271 transitions. [2018-11-18 09:47:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2018-11-18 09:47:26,934 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:26,934 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:26,934 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:26,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:26,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1526478147, now seen corresponding path program 1 times [2018-11-18 09:47:26,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:26,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:26,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:26,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:26,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 342 proven. 281 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2018-11-18 09:47:27,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:27,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:47:27,537 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 699 with the following transitions: [2018-11-18 09:47:27,537 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [141], [143], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [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], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [641], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 09:47:27,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:47:27,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:47:27,921 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:47:27,921 INFO L272 AbstractInterpreter]: Visited 153 different actions 746 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 10501 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10501 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 15 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 09:47:27,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:27,922 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:47:27,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:47:27,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:47:27,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:27,930 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:47:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:28,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:47:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 627 proven. 26 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2018-11-18 09:47:28,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:47:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-11-18 09:47:28,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:47:28,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [16, 6] total 20 [2018-11-18 09:47:28,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:47:28,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:47:28,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:47:28,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-11-18 09:47:28,746 INFO L87 Difference]: Start difference. First operand 76636 states and 89271 transitions. Second operand 3 states. [2018-11-18 09:47:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:29,625 INFO L93 Difference]: Finished difference Result 137674 states and 160138 transitions. [2018-11-18 09:47:29,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:47:29,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 698 [2018-11-18 09:47:29,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:29,626 INFO L225 Difference]: With dead ends: 137674 [2018-11-18 09:47:29,626 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:47:29,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1419 GetRequests, 1400 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-11-18 09:47:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:47:29,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:47:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:47:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:47:29,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 698 [2018-11-18 09:47:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:29,728 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:47:29,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:47:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:47:29,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:47:29,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:47:29,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:29,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:29,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:30,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:31,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:32,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:32,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:32,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:32,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:33,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:33,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:33,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:34,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:35,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:35,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:35,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:36,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:37,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:38,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:39,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:40,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,260 WARN L180 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 2870 DAG size of output: 2189 [2018-11-18 09:47:41,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:41,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:42,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:43,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:44,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:44,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:44,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:44,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:44,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:45,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:46,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:47,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:48,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:49,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:50,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:47:51,592 WARN L180 SmtUtils]: Spent 10.33 s on a formula simplification. DAG size of input: 2876 DAG size of output: 2191 [2018-11-18 09:47:56,974 WARN L180 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 1184 DAG size of output: 108 [2018-11-18 09:49:23,240 WARN L180 SmtUtils]: Spent 1.44 m on a formula simplification. DAG size of input: 2026 DAG size of output: 102 [2018-11-18 09:50:43,285 WARN L180 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 2026 DAG size of output: 102 [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,288 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 09:50:43,289 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 09:50:43,290 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 75) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,291 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,292 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 09:50:43,293 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 09:50:43,294 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,295 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse19 (= 12 |old(~a25~0)|)) (.cse20 (+ |old(~a23~0)| 43)) (.cse4 (< 0 |old(~a4~0)|)) (.cse21 (< 130 |old(~a29~0)|))) (let ((.cse8 (or .cse4 .cse21)) (.cse0 (forall ((v_prenex_2 Int)) (or (< (+ (mod v_prenex_2 15) 260) |old(~a29~0)|) (< v_prenex_2 |old(~a29~0)|) (< v_prenex_2 0)))) (.cse3 (not (= 13 |old(~a25~0)|))) (.cse9 (< 0 (+ |old(~a29~0)| 41627))) (.cse1 (< 0 .cse20)) (.cse13 (not (= 10 |old(~a25~0)|))) (.cse17 (or (< 312 |old(~a23~0)|) .cse4 .cse21)) (.cse14 (< 0 (+ |old(~a29~0)| 28445))) (.cse5 (<= .cse20 0)) (.cse10 (not .cse19)) (.cse12 (< 275 |old(~a29~0)|)) (.cse7 (< 140 |old(~a29~0)|)) (.cse6 (< 138 |old(~a23~0)|)) (.cse18 (< |old(~a25~0)| 10)) (.cse11 (< |old(~a29~0)| 141)) (.cse16 (< 9 |old(~a25~0)|)) (.cse15 (not (= 1 |old(~a4~0)|))) (.cse2 (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 .cse3 .cse4) (or (or .cse4 .cse5 .cse6) .cse2 .cse7) (or .cse2 (or .cse8 .cse9 .cse10)) (or .cse11 .cse2 .cse12 .cse4 .cse10) (or .cse13 .cse8 .cse14 .cse2) (or .cse15 .cse2 .cse5) (or .cse2 .cse3 .cse5 .cse4 .cse6) (or .cse0 (< |old(~a29~0)| 130) .cse15 .cse3 .cse2) (or .cse2 .cse11 .cse16 .cse1 .cse4) (or (or .cse9 .cse1 .cse17) .cse2) (or .cse13 .cse2 .cse15) (or .cse18 .cse2 .cse17 .cse14 .cse6) (or .cse2 .cse4 .cse5 .cse10 .cse6) (or .cse2 .cse7 .cse15 .cse10) (or .cse11 .cse19 .cse15 .cse2 .cse12) (or .cse18 .cse7 .cse19 .cse2 .cse4 .cse6) (or .cse18 .cse2 (< 0 (+ |old(~a23~0)| 576942)) .cse4) (or .cse11 .cse16 .cse15 .cse2)))) [2018-11-18 09:50:43,295 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,296 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,297 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,298 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 09:50:43,299 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,300 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,301 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 09:50:43,302 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,303 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 09:50:43,304 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:50:43,304 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:50:43,304 INFO L421 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)|))) [2018-11-18 09:50:43,305 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 09:50:43,305 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse5 (= 1 ~a4~0)) (.cse22 (+ ~a23~0 43)) (.cse19 (not (= 12 ~a25~0))) (.cse20 (<= ~a23~0 312)) (.cse0 (<= ~a4~0 0)) (.cse21 (<= 0 (+ |old(~a23~0)| 42)))) (let ((.cse6 (<= (+ ~a29~0 41627) 0)) (.cse13 (<= ~a25~0 9)) (.cse16 (and .cse19 .cse20 .cse0 .cse21)) (.cse3 (<= ~a29~0 140)) (.cse4 (= ~a25~0 12)) (.cse10 (<= ~a29~0 274)) (.cse18 (<= 10 ~a25~0)) (.cse8 (<= .cse22 0)) (.cse11 (<= (+ ~a29~0 28445) 0)) (.cse7 (and .cse20 .cse0 .cse21 (<= ~a29~0 130))) (.cse17 (<= ~a29~0 275)) (.cse15 (<= 141 ~a29~0)) (.cse9 (= ~a25~0 13)) (.cse1 (< 0 .cse22)) (.cse2 (<= ~a23~0 138)) (.cse14 (and .cse19 .cse20 .cse21 .cse5)) (.cse12 (= 10 ~a25~0))) (or (not (= 10 |old(~a25~0)|)) (and (and (and .cse0 .cse1) .cse2) .cse3) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse5 .cse3) (and (and .cse6 .cse7) .cse8) (and (and .cse9 .cse0 .cse10) .cse8) (and .cse6 (and .cse4 .cse0)) (not (= 1 ~a3~0)) (and (and .cse11 .cse0) .cse12) (and (and .cse13 .cse14) .cse15) (not (= 312 |old(~a23~0)|)) (and (and (and .cse13 .cse16) .cse15) .cse8) (and .cse4 .cse0 .cse17 .cse15) (and .cse1 .cse5) (and (and .cse18 .cse2 .cse16) .cse3) (and .cse0 .cse18 (<= (+ ~a23~0 576942) 0)) (and .cse4 .cse0 .cse1 .cse2) (and .cse9 .cse10 .cse5 (<= 130 ~a29~0)) (and .cse18 .cse8 (and .cse11 .cse7)) (and .cse17 .cse14 .cse15) (and .cse9 .cse0 .cse1 .cse2) (and .cse14 .cse12) (not (= 15 ~a8~0))))) [2018-11-18 09:50:43,305 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 09:50:43,305 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 09:50:43,305 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 09:50:43,305 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse5 (= 1 ~a4~0)) (.cse22 (+ ~a23~0 43)) (.cse19 (not (= 12 ~a25~0))) (.cse20 (<= ~a23~0 312)) (.cse0 (<= ~a4~0 0)) (.cse21 (<= 0 (+ |old(~a23~0)| 42)))) (let ((.cse6 (<= (+ ~a29~0 41627) 0)) (.cse13 (<= ~a25~0 9)) (.cse16 (and .cse19 .cse20 .cse0 .cse21)) (.cse3 (<= ~a29~0 140)) (.cse4 (= ~a25~0 12)) (.cse10 (<= ~a29~0 274)) (.cse18 (<= 10 ~a25~0)) (.cse8 (<= .cse22 0)) (.cse11 (<= (+ ~a29~0 28445) 0)) (.cse7 (and .cse20 .cse0 .cse21 (<= ~a29~0 130))) (.cse17 (<= ~a29~0 275)) (.cse15 (<= 141 ~a29~0)) (.cse9 (= ~a25~0 13)) (.cse1 (< 0 .cse22)) (.cse2 (<= ~a23~0 138)) (.cse14 (and .cse19 .cse20 .cse21 .cse5)) (.cse12 (= 10 ~a25~0))) (or (not (= 10 |old(~a25~0)|)) (and (and (and .cse0 .cse1) .cse2) .cse3) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse5 .cse3) (and (and .cse6 .cse7) .cse8) (and (and .cse9 .cse0 .cse10) .cse8) (and .cse6 (and .cse4 .cse0)) (not (= 1 ~a3~0)) (and (and .cse11 .cse0) .cse12) (and (and .cse13 .cse14) .cse15) (not (= 312 |old(~a23~0)|)) (and (and (and .cse13 .cse16) .cse15) .cse8) (and .cse4 .cse0 .cse17 .cse15) (and .cse1 .cse5) (and (and .cse18 .cse2 .cse16) .cse3) (and .cse0 .cse18 (<= (+ ~a23~0 576942) 0)) (and .cse4 .cse0 .cse1 .cse2) (and .cse9 .cse10 .cse5 (<= 130 ~a29~0)) (and .cse18 .cse8 (and .cse11 .cse7)) (and .cse17 .cse14 .cse15) (and .cse9 .cse0 .cse1 .cse2) (and .cse14 .cse12) (not (= 15 ~a8~0))))) [2018-11-18 09:50:43,305 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 09:50:43,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:50:43 BoogieIcfgContainer [2018-11-18 09:50:43,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:50:43,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:50:43,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:50:43,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:50:43,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:42:40" (3/4) ... [2018-11-18 09:50:43,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:50:43,326 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:50:43,326 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:50:43,326 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:50:43,340 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:50:43,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:50:43,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(10 == \old(a25)) || (((a4 <= 0 && 0 < a23 + 43) && a23 <= 138) && a29 <= 140)) || !(1 == \old(a4))) || !(130 == \old(a29))) || ((a25 == 12 && 1 == a4) && a29 <= 140)) || ((a29 + 41627 <= 0 && ((a23 <= 312 && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 130) && a23 + 43 <= 0)) || (((a25 == 13 && a4 <= 0) && a29 <= 274) && a23 + 43 <= 0)) || (a29 + 41627 <= 0 && a25 == 12 && a4 <= 0)) || !(1 == a3)) || ((a29 + 28445 <= 0 && a4 <= 0) && 10 == a25)) || ((a25 <= 9 && ((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 141 <= a29)) || !(312 == \old(a23))) || (((a25 <= 9 && ((!(12 == a25) && a23 <= 312) && a4 <= 0) && 0 <= \old(a23) + 42) && 141 <= a29) && a23 + 43 <= 0)) || (((a25 == 12 && a4 <= 0) && a29 <= 275) && 141 <= a29)) || (0 < a23 + 43 && 1 == a4)) || (((10 <= a25 && a23 <= 138) && ((!(12 == a25) && a23 <= 312) && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 140)) || ((a4 <= 0 && 10 <= a25) && a23 + 576942 <= 0)) || (((a25 == 12 && a4 <= 0) && 0 < a23 + 43) && a23 <= 138)) || (((a25 == 13 && a29 <= 274) && 1 == a4) && 130 <= a29)) || ((10 <= a25 && a23 + 43 <= 0) && a29 + 28445 <= 0 && ((a23 <= 312 && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 130)) || ((a29 <= 275 && ((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 141 <= a29)) || (((a25 == 13 && a4 <= 0) && 0 < a23 + 43) && a23 <= 138)) || ((((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 10 == a25)) || !(15 == a8) [2018-11-18 09:50:43,460 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98a30920-af92-4054-9c98-014c59233cab/bin-2019/utaipan/witness.graphml [2018-11-18 09:50:43,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:50:43,461 INFO L168 Benchmark]: Toolchain (without parser) took 484829.04 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 956.4 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,461 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:50:43,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 897.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 897.3 MB in the beginning and 1.1 GB in the end (delta: -252.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,462 INFO L168 Benchmark]: Boogie Preprocessor took 60.45 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,462 INFO L168 Benchmark]: RCFGBuilder took 1289.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.1 MB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,462 INFO L168 Benchmark]: TraceAbstraction took 482780.22 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 967.1 MB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,462 INFO L168 Benchmark]: Witness Printer took 142.63 ms. Allocated memory is still 5.3 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 5.1 kB). Peak memory consumption was 5.1 kB. Max. memory is 11.5 GB. [2018-11-18 09:50:43,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 466.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 897.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 897.3 MB in the beginning and 1.1 GB in the end (delta: -252.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.45 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1289.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.1 MB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 482780.22 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 967.1 MB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 142.63 ms. Allocated memory is still 5.3 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 5.1 kB). Peak memory consumption was 5.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 75]: 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 Derived loop invariant: ((((((((((((((((((((((!(10 == \old(a25)) || (((a4 <= 0 && 0 < a23 + 43) && a23 <= 138) && a29 <= 140)) || !(1 == \old(a4))) || !(130 == \old(a29))) || ((a25 == 12 && 1 == a4) && a29 <= 140)) || ((a29 + 41627 <= 0 && ((a23 <= 312 && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 130) && a23 + 43 <= 0)) || (((a25 == 13 && a4 <= 0) && a29 <= 274) && a23 + 43 <= 0)) || (a29 + 41627 <= 0 && a25 == 12 && a4 <= 0)) || !(1 == a3)) || ((a29 + 28445 <= 0 && a4 <= 0) && 10 == a25)) || ((a25 <= 9 && ((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 141 <= a29)) || !(312 == \old(a23))) || (((a25 <= 9 && ((!(12 == a25) && a23 <= 312) && a4 <= 0) && 0 <= \old(a23) + 42) && 141 <= a29) && a23 + 43 <= 0)) || (((a25 == 12 && a4 <= 0) && a29 <= 275) && 141 <= a29)) || (0 < a23 + 43 && 1 == a4)) || (((10 <= a25 && a23 <= 138) && ((!(12 == a25) && a23 <= 312) && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 140)) || ((a4 <= 0 && 10 <= a25) && a23 + 576942 <= 0)) || (((a25 == 12 && a4 <= 0) && 0 < a23 + 43) && a23 <= 138)) || (((a25 == 13 && a29 <= 274) && 1 == a4) && 130 <= a29)) || ((10 <= a25 && a23 + 43 <= 0) && a29 + 28445 <= 0 && ((a23 <= 312 && a4 <= 0) && 0 <= \old(a23) + 42) && a29 <= 130)) || ((a29 <= 275 && ((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 141 <= a29)) || (((a25 == 13 && a4 <= 0) && 0 < a23 + 43) && a23 <= 138)) || ((((!(12 == a25) && a23 <= 312) && 0 <= \old(a23) + 42) && 1 == a4) && 10 == a25)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 482.7s OverallTime, 18 OverallIterations, 7 TraceHistogramMax, 249.3s AutomataDifference, 0.0s DeadEndRemovalTime, 193.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3760 SDtfs, 26805 SDslu, 5674 SDs, 0 SdLazy, 52761 SolverSat, 8591 SolverUnsat, 185 SolverUnknown, 0 SolverNotchecked, 210.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 13164 GetRequests, 12782 SyntacticMatches, 22 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4536 ImplicationChecksByTransitivity, 20.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109534occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.3s AbstIntTime, 15 AbstIntIterations, 2 AbstIntStrong, 0.9973100890762323 AbsIntWeakeningRatio, 0.1222879684418146 AbsIntAvgWeakeningVarsNumRemoved, 18.092702169625248 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 13.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 27547 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 3828 PreInvPairs, 4822 NumberOfFragments, 1367 HoareAnnotationTreeSize, 3828 FomulaSimplifications, 844932 FormulaSimplificationTreeSizeReduction, 21.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 537005 FormulaSimplificationTreeSizeReductionInter, 171.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 13020 NumberOfCodeBlocks, 13020 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 19047 ConstructedInterpolants, 36 QuantifiedInterpolants, 23030837 SizeOfPredicates, 14 NumberOfNonLiveVariables, 9712 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 44 InterpolantComputations, 7 PerfectInterpolantSequences, 24425/27220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...