./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/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 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:59:29,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:59:29,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:59:29,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:59:29,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:59:29,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:59:29,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:59:29,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:59:29,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:59:29,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:59:29,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:59:29,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:59:29,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:59:29,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:59:29,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:59:29,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:59:29,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:59:29,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:59:29,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:59:29,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:59:29,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:59:29,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:59:29,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:59:29,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:59:29,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:59:29,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:59:29,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:59:29,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:59:29,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:59:29,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:59:29,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:59:29,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:59:29,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:59:29,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:59:29,483 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:59:29,483 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:59:29,484 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:59:29,491 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:59:29,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:59:29,491 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:59:29,491 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:59:29,492 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:59:29,492 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:59:29,492 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:59:29,492 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:59:29,492 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:59:29,492 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:59:29,493 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:59:29,493 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:59:29,493 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:59:29,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:59:29,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:59:29,495 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:59:29,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:59:29,495 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:59:29,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:59:29,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:59:29,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:59:29,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:59:29,496 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:59:29,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:59:29,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:59:29,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:59:29,497 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_6b70e184-cac4-448c-b106-5cdffbab7056/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 -> 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e [2018-11-18 13:59:29,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:59:29,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:59:29,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:59:29,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:59:29,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:59:29,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-11-18 13:59:29,561 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/data/45eb36f40/153a817ca015468f8779d43bebc34751/FLAGe26778066 [2018-11-18 13:59:30,008 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:59:30,009 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-11-18 13:59:30,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/data/45eb36f40/153a817ca015468f8779d43bebc34751/FLAGe26778066 [2018-11-18 13:59:30,030 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/data/45eb36f40/153a817ca015468f8779d43bebc34751 [2018-11-18 13:59:30,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:59:30,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:59:30,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:59:30,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:59:30,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:59:30,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30, skipping insertion in model container [2018-11-18 13:59:30,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:59:30,087 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:59:30,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:59:30,325 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:59:30,410 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:59:30,422 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:59:30,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30 WrapperNode [2018-11-18 13:59:30,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:59:30,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:59:30,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:59:30,423 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:59:30,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:59:30,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:59:30,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:59:30,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:59:30,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... [2018-11-18 13:59:30,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:59:30,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:59:30,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:59:30,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:59:30,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/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 13:59:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:59:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:59:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:59:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:59:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:59:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:59:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:59:31,600 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:59:31,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:59:31 BoogieIcfgContainer [2018-11-18 13:59:31,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:59:31,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:59:31,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:59:31,605 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:59:31,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:59:30" (1/3) ... [2018-11-18 13:59:31,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:59:31, skipping insertion in model container [2018-11-18 13:59:31,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:59:30" (2/3) ... [2018-11-18 13:59:31,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144d7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:59:31, skipping insertion in model container [2018-11-18 13:59:31,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:59:31" (3/3) ... [2018-11-18 13:59:31,608 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label47_true-unreach-call_false-termination.c [2018-11-18 13:59:31,617 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:59:31,625 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:59:31,639 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:59:31,669 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:59:31,669 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:59:31,669 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:59:31,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:59:31,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:59:31,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:59:31,670 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:59:31,670 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:59:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 13:59:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:59:31,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:59:31,696 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:59:31,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:59:31,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:31,703 INFO L82 PathProgramCache]: Analyzing trace with hash -312611828, now seen corresponding path program 1 times [2018-11-18 13:59:31,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:59:31,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:31,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:59:31,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:31,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:59:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:59:31,932 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 13:59:31,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:59:31,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:59:31,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:59:31,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:59:31,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:59:31,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:59:31,952 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-18 13:59:32,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:59:32,663 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-18 13:59:32,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:59:32,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-18 13:59:32,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:59:32,676 INFO L225 Difference]: With dead ends: 691 [2018-11-18 13:59:32,676 INFO L226 Difference]: Without dead ends: 434 [2018-11-18 13:59:32,681 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:59:32,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-18 13:59:32,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-18 13:59:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 13:59:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-11-18 13:59:32,735 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 40 [2018-11-18 13:59:32,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:59:32,735 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-11-18 13:59:32,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:59:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-11-18 13:59:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 13:59:32,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:59:32,739 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:32,740 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:59:32,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:32,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1306869335, now seen corresponding path program 1 times [2018-11-18 13:59:32,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:59:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:32,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:59:32,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:32,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:59:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:59:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:59:32,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:59:32,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:59:32,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:59:32,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:59:32,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:59:32,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:59:32,906 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-11-18 13:59:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:59:33,544 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-11-18 13:59:33,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:59:33,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-18 13:59:33,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:59:33,548 INFO L225 Difference]: With dead ends: 1062 [2018-11-18 13:59:33,548 INFO L226 Difference]: Without dead ends: 634 [2018-11-18 13:59:33,549 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:59:33,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-18 13:59:33,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-11-18 13:59:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-18 13:59:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-11-18 13:59:33,569 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 127 [2018-11-18 13:59:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:59:33,569 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-11-18 13:59:33,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:59:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-11-18 13:59:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 13:59:33,572 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:59:33,572 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:33,572 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:59:33,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:33,573 INFO L82 PathProgramCache]: Analyzing trace with hash -327251684, now seen corresponding path program 1 times [2018-11-18 13:59:33,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:59:33,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:33,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:59:33,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:33,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:59:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:59:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:59:33,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:59:33,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:59:33,661 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:59:33,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:59:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:59:33,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:59:33,661 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-11-18 13:59:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:59:34,563 INFO L93 Difference]: Finished difference Result 2352 states and 4016 transitions. [2018-11-18 13:59:34,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:59:34,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-18 13:59:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:59:34,570 INFO L225 Difference]: With dead ends: 2352 [2018-11-18 13:59:34,570 INFO L226 Difference]: Without dead ends: 1733 [2018-11-18 13:59:34,573 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 13:59:34,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-11-18 13:59:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-11-18 13:59:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-11-18 13:59:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2647 transitions. [2018-11-18 13:59:34,604 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2647 transitions. Word has length 136 [2018-11-18 13:59:34,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:59:34,604 INFO L480 AbstractCegarLoop]: Abstraction has 1733 states and 2647 transitions. [2018-11-18 13:59:34,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:59:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2647 transitions. [2018-11-18 13:59:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 13:59:34,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:59:34,609 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:59:34,610 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:59:34,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1546477901, now seen corresponding path program 1 times [2018-11-18 13:59:34,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:59:34,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:34,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:59:34,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:34,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:59:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:59:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:59:34,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:59:34,881 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:59:34,882 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-11-18 13:59:34,883 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 13:59:34,915 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:59:34,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:59:36,716 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:59:36,717 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Performed 1046 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 13:59:36,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:36,737 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:59:38,555 INFO L227 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-18 13:59:38,555 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:59:38,606 INFO L415 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-11-18 13:59:38,606 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:59:38,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:59:38,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-11-18 13:59:38,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:59:38,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:59:38,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:59:38,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:59:38,608 INFO L87 Difference]: Start difference. First operand 1733 states and 2647 transitions. Second operand 6 states. [2018-11-18 13:59:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:59:51,191 INFO L93 Difference]: Finished difference Result 3645 states and 5568 transitions. [2018-11-18 13:59:51,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:59:51,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2018-11-18 13:59:51,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:59:51,197 INFO L225 Difference]: With dead ends: 3645 [2018-11-18 13:59:51,197 INFO L226 Difference]: Without dead ends: 1918 [2018-11-18 13:59:51,201 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 260 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 13:59:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2018-11-18 13:59:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1916. [2018-11-18 13:59:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1916 states. [2018-11-18 13:59:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2838 transitions. [2018-11-18 13:59:51,230 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2838 transitions. Word has length 265 [2018-11-18 13:59:51,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:59:51,231 INFO L480 AbstractCegarLoop]: Abstraction has 1916 states and 2838 transitions. [2018-11-18 13:59:51,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:59:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2838 transitions. [2018-11-18 13:59:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-11-18 13:59:51,237 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:59:51,238 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:59:51,238 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:59:51,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:51,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1842205852, now seen corresponding path program 1 times [2018-11-18 13:59:51,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:59:51,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:51,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:59:51,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:59:51,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:59:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:59:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 187 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:59:51,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:59:51,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:59:51,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 351 with the following transitions: [2018-11-18 13:59:51,733 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 13:59:51,735 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:59:51,735 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:59:55,034 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:59:55,034 INFO L272 AbstractInterpreter]: Visited 122 different actions 237 times. Merged at 4 different actions 4 times. Never widened. Performed 2149 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2149 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:59:55,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:59:55,041 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:59:56,620 INFO L227 lantSequenceWeakener]: Weakened 347 states. On average, predicates are now at 77.66% of their original sizes. [2018-11-18 13:59:56,621 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:59:56,680 INFO L415 sIntCurrentIteration]: We unified 349 AI predicates to 349 [2018-11-18 13:59:56,680 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:59:56,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:59:56,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-11-18 13:59:56,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:59:56,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:59:56,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:59:56,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:59:56,683 INFO L87 Difference]: Start difference. First operand 1916 states and 2838 transitions. Second operand 10 states. [2018-11-18 14:00:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:33,068 INFO L93 Difference]: Finished difference Result 4389 states and 6461 transitions. [2018-11-18 14:00:33,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:00:33,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 350 [2018-11-18 14:00:33,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:33,076 INFO L225 Difference]: With dead ends: 4389 [2018-11-18 14:00:33,076 INFO L226 Difference]: Without dead ends: 2292 [2018-11-18 14:00:33,083 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 358 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:00:33,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2018-11-18 14:00:33,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2290. [2018-11-18 14:00:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2290 states. [2018-11-18 14:00:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3235 transitions. [2018-11-18 14:00:33,128 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3235 transitions. Word has length 350 [2018-11-18 14:00:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:33,128 INFO L480 AbstractCegarLoop]: Abstraction has 2290 states and 3235 transitions. [2018-11-18 14:00:33,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:00:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3235 transitions. [2018-11-18 14:00:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2018-11-18 14:00:33,139 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:33,139 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:33,140 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:33,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:33,140 INFO L82 PathProgramCache]: Analyzing trace with hash -125735012, now seen corresponding path program 1 times [2018-11-18 14:00:33,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:33,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:33,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:33,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:33,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 330 proven. 249 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-18 14:00:33,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:33,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:33,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 451 with the following transitions: [2018-11-18 14:00:33,831 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 14:00:33,835 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:33,835 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:00:36,697 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:00:36,697 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Performed 2160 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2160 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:00:36,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:36,699 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:00:38,210 INFO L227 lantSequenceWeakener]: Weakened 447 states. On average, predicates are now at 77.6% of their original sizes. [2018-11-18 14:00:38,211 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:00:38,248 INFO L415 sIntCurrentIteration]: We unified 449 AI predicates to 449 [2018-11-18 14:00:38,248 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:00:38,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:00:38,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 14:00:38,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:00:38,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:00:38,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:00:38,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:00:38,249 INFO L87 Difference]: Start difference. First operand 2290 states and 3235 transitions. Second operand 10 states. [2018-11-18 14:00:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:00:53,998 INFO L93 Difference]: Finished difference Result 4205 states and 6085 transitions. [2018-11-18 14:00:53,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:00:53,998 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 450 [2018-11-18 14:00:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:00:54,002 INFO L225 Difference]: With dead ends: 4205 [2018-11-18 14:00:54,002 INFO L226 Difference]: Without dead ends: 2104 [2018-11-18 14:00:54,005 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 457 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:00:54,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2018-11-18 14:00:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2101. [2018-11-18 14:00:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2101 states. [2018-11-18 14:00:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 3020 transitions. [2018-11-18 14:00:54,031 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 3020 transitions. Word has length 450 [2018-11-18 14:00:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:00:54,031 INFO L480 AbstractCegarLoop]: Abstraction has 2101 states and 3020 transitions. [2018-11-18 14:00:54,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:00:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 3020 transitions. [2018-11-18 14:00:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2018-11-18 14:00:54,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:00:54,043 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:00:54,044 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:00:54,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:00:54,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1470297180, now seen corresponding path program 1 times [2018-11-18 14:00:54,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:00:54,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:54,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:00:54,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:00:54,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:00:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:00:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-11-18 14:00:54,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:00:54,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:00:54,442 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 487 with the following transitions: [2018-11-18 14:00:54,442 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 14:00:54,444 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:00:54,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:01:00,764 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:01:00,764 INFO L272 AbstractInterpreter]: Visited 123 different actions 368 times. Merged at 7 different actions 21 times. Never widened. Performed 3499 root evaluator evaluations with a maximum evaluation depth of 22. Performed 3499 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:01:00,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:00,769 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:01:01,730 INFO L227 lantSequenceWeakener]: Weakened 483 states. On average, predicates are now at 80.15% of their original sizes. [2018-11-18 14:01:01,730 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:01:01,779 INFO L415 sIntCurrentIteration]: We unified 485 AI predicates to 485 [2018-11-18 14:01:01,779 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:01:01,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:01:01,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 14:01:01,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:01,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:01:01,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:01:01,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:01:01,781 INFO L87 Difference]: Start difference. First operand 2101 states and 3020 transitions. Second operand 10 states. [2018-11-18 14:01:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:18,217 INFO L93 Difference]: Finished difference Result 4732 states and 7055 transitions. [2018-11-18 14:01:18,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 14:01:18,218 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 486 [2018-11-18 14:01:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:18,226 INFO L225 Difference]: With dead ends: 4732 [2018-11-18 14:01:18,226 INFO L226 Difference]: Without dead ends: 3005 [2018-11-18 14:01:18,232 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 496 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:01:18,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2018-11-18 14:01:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 2986. [2018-11-18 14:01:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2986 states. [2018-11-18 14:01:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4156 transitions. [2018-11-18 14:01:18,288 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4156 transitions. Word has length 486 [2018-11-18 14:01:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:18,289 INFO L480 AbstractCegarLoop]: Abstraction has 2986 states and 4156 transitions. [2018-11-18 14:01:18,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:01:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4156 transitions. [2018-11-18 14:01:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-11-18 14:01:18,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:18,298 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:18,299 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:18,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:18,299 INFO L82 PathProgramCache]: Analyzing trace with hash 193931067, now seen corresponding path program 1 times [2018-11-18 14:01:18,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:18,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:18,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:18,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 484 proven. 457 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-11-18 14:01:19,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:19,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:01:19,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-11-18 14:01:19,061 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 14:01:19,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:01:19,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:01:26,201 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:01:26,201 INFO L272 AbstractInterpreter]: Visited 125 different actions 500 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 4832 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:01:26,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:26,203 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:01:26,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:26,203 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/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 14:01:26,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:26,210 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:01:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:26,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:01:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 835 proven. 2 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-18 14:01:26,661 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:01:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 478 proven. 111 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-11-18 14:01:27,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:01:27,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-18 14:01:27,061 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:01:27,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:01:27,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:01:27,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:01:27,062 INFO L87 Difference]: Start difference. First operand 2986 states and 4156 transitions. Second operand 17 states. [2018-11-18 14:01:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:30,006 INFO L93 Difference]: Finished difference Result 7288 states and 10675 transitions. [2018-11-18 14:01:30,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-18 14:01:30,007 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 559 [2018-11-18 14:01:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:30,021 INFO L225 Difference]: With dead ends: 7288 [2018-11-18 14:01:30,021 INFO L226 Difference]: Without dead ends: 3569 [2018-11-18 14:01:30,042 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1129 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=521, Invalid=1735, Unknown=0, NotChecked=0, Total=2256 [2018-11-18 14:01:30,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3569 states. [2018-11-18 14:01:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3569 to 3197. [2018-11-18 14:01:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3197 states. [2018-11-18 14:01:30,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 3839 transitions. [2018-11-18 14:01:30,106 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 3839 transitions. Word has length 559 [2018-11-18 14:01:30,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:30,107 INFO L480 AbstractCegarLoop]: Abstraction has 3197 states and 3839 transitions. [2018-11-18 14:01:30,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:01:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 3839 transitions. [2018-11-18 14:01:30,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2018-11-18 14:01:30,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:30,115 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2018-11-18 14:01:30,115 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:30,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:30,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1557642839, now seen corresponding path program 1 times [2018-11-18 14:01:30,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:30,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:30,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:30,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:30,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-11-18 14:01:30,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:30,603 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:01:30,604 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 672 with the following transitions: [2018-11-18 14:01:30,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 14:01:30,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:01:30,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:01:34,483 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:01:34,483 INFO L272 AbstractInterpreter]: Visited 192 different actions 768 times. Merged at 10 different actions 36 times. Widened at 1 different actions 1 times. Performed 8422 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8422 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 14:01:34,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:34,484 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:01:34,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:34,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/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 14:01:34,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:34,491 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:01:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:34,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:01:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 919 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-11-18 14:01:34,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:01:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-11-18 14:01:34,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:01:34,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-11-18 14:01:34,971 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:01:34,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:01:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:01:34,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:01:34,972 INFO L87 Difference]: Start difference. First operand 3197 states and 3839 transitions. Second operand 7 states. [2018-11-18 14:01:36,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:36,242 INFO L93 Difference]: Finished difference Result 9828 states and 14437 transitions. [2018-11-18 14:01:36,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:01:36,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 671 [2018-11-18 14:01:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:36,287 INFO L225 Difference]: With dead ends: 9828 [2018-11-18 14:01:36,287 INFO L226 Difference]: Without dead ends: 7005 [2018-11-18 14:01:36,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1344 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:01:36,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7005 states. [2018-11-18 14:01:36,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7005 to 6775. [2018-11-18 14:01:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6775 states. [2018-11-18 14:01:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6775 states to 6775 states and 8391 transitions. [2018-11-18 14:01:36,494 INFO L78 Accepts]: Start accepts. Automaton has 6775 states and 8391 transitions. Word has length 671 [2018-11-18 14:01:36,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:36,495 INFO L480 AbstractCegarLoop]: Abstraction has 6775 states and 8391 transitions. [2018-11-18 14:01:36,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:01:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6775 states and 8391 transitions. [2018-11-18 14:01:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2018-11-18 14:01:36,508 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:36,508 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:36,508 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:36,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:36,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1420926623, now seen corresponding path program 1 times [2018-11-18 14:01:36,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:36,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:36,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:36,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:36,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 407 proven. 286 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2018-11-18 14:01:37,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:37,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:01:37,061 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 732 with the following transitions: [2018-11-18 14:01:37,062 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [221], [223], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-11-18 14:01:37,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:01:37,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:01:40,965 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:01:40,965 INFO L272 AbstractInterpreter]: Visited 192 different actions 769 times. Merged at 10 different actions 37 times. Widened at 1 different actions 1 times. Performed 8385 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8385 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:01:40,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:40,968 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:01:40,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:40,968 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/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 14:01:40,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:40,974 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:01:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:41,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:01:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 617 proven. 2 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2018-11-18 14:01:41,271 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:01:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 617 proven. 2 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2018-11-18 14:01:41,552 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:01:41,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 14:01:41,553 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:01:41,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:01:41,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:01:41,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:01:41,554 INFO L87 Difference]: Start difference. First operand 6775 states and 8391 transitions. Second operand 10 states. [2018-11-18 14:01:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:43,741 INFO L93 Difference]: Finished difference Result 19406 states and 24741 transitions. [2018-11-18 14:01:43,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 14:01:43,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 731 [2018-11-18 14:01:43,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:43,772 INFO L225 Difference]: With dead ends: 19406 [2018-11-18 14:01:43,772 INFO L226 Difference]: Without dead ends: 13005 [2018-11-18 14:01:43,796 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1514 GetRequests, 1478 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=254, Invalid=802, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 14:01:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2018-11-18 14:01:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 12989. [2018-11-18 14:01:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12989 states. [2018-11-18 14:01:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12989 states to 12989 states and 15074 transitions. [2018-11-18 14:01:43,937 INFO L78 Accepts]: Start accepts. Automaton has 12989 states and 15074 transitions. Word has length 731 [2018-11-18 14:01:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:43,937 INFO L480 AbstractCegarLoop]: Abstraction has 12989 states and 15074 transitions. [2018-11-18 14:01:43,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:01:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12989 states and 15074 transitions. [2018-11-18 14:01:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2018-11-18 14:01:43,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:43,950 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:43,951 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:43,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:43,951 INFO L82 PathProgramCache]: Analyzing trace with hash 843355751, now seen corresponding path program 1 times [2018-11-18 14:01:43,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:43,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:43,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:43,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:43,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2018-11-18 14:01:44,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:01:44,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:01:44,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:44,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:01:44,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:01:44,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:01:44,259 INFO L87 Difference]: Start difference. First operand 12989 states and 15074 transitions. Second operand 3 states. [2018-11-18 14:01:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:44,692 INFO L93 Difference]: Finished difference Result 26376 states and 31038 transitions. [2018-11-18 14:01:44,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:01:44,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 895 [2018-11-18 14:01:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:44,694 INFO L225 Difference]: With dead ends: 26376 [2018-11-18 14:01:44,694 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:01:44,758 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:01:44,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:01:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:01:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:01:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:01:44,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 895 [2018-11-18 14:01:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:44,759 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:01:44,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:01:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:01:44,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:01:44,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:01:44,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:44,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,034 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 189 [2018-11-18 14:01:45,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:01:45,314 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 220 [2018-11-18 14:01:45,708 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 32 [2018-11-18 14:01:45,991 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2018-11-18 14:01:46,295 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 39 [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,297 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:01:46,298 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 14:01:46,299 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:01:46,300 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 14:01:46,301 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,302 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~a24~0)|))) (.cse2 (= 7 |old(~a15~0)|)) (.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0))) (.cse3 (= 9 |old(~a15~0)|))) (and (or (< |old(~a12~0)| 12) .cse0 .cse1) (or .cse0 (= 9 |old(~a21~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 6 |old(~a21~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:01:46,303 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 14:01:46,304 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 14:01:46,305 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:01:46,306 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,307 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 14:01:46,308 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 14:01:46,309 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:01:46,310 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 14:01:46,311 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:01:46,312 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-11-18 14:01:46,313 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= |old(~a15~0)| ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7))) [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 9))) (.cse2 (not (= ~a15~0 7))) (.cse1 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= 12 ~a12~0) .cse1) (and .cse0 (= 6 ~a21~0) .cse2) (and (not (= 9 ~a21~0)) .cse1) (not (= 1 |old(~a24~0)|)))) [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 14:01:46,313 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 14:01:46,314 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 14:01:46,314 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a15~0 9))) (.cse2 (not (= ~a15~0 7))) (.cse1 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (<= 12 ~a12~0) .cse1) (and .cse0 (= 6 ~a21~0) .cse2) (and (not (= 9 ~a21~0)) .cse1) (not (= 1 |old(~a24~0)|)))) [2018-11-18 14:01:46,314 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 14:01:46,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:01:46 BoogieIcfgContainer [2018-11-18 14:01:46,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:01:46,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:01:46,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:01:46,337 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:01:46,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:59:31" (3/4) ... [2018-11-18 14:01:46,341 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:01:46,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:01:46,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:01:46,345 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:01:46,357 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:01:46,357 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:01:46,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(8 == \old(a15)) || ((!(a15 == 9) && 1 == a24) && !(a15 == 7))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (12 <= a12 && 1 == a24)) || ((!(a15 == 9) && 6 == a21) && !(a15 == 7))) || (!(9 == a21) && 1 == a24)) || !(1 == \old(a24)) [2018-11-18 14:01:46,452 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b70e184-cac4-448c-b106-5cdffbab7056/bin-2019/utaipan/witness.graphml [2018-11-18 14:01:46,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:01:46,453 INFO L168 Benchmark]: Toolchain (without parser) took 136419.73 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 952.8 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 914.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,453 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:01:46,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 915.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 915.2 MB in the beginning and 1.2 GB in the end (delta: -237.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,454 INFO L168 Benchmark]: Boogie Preprocessor took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,454 INFO L168 Benchmark]: RCFGBuilder took 1045.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,454 INFO L168 Benchmark]: TraceAbstraction took 134732.89 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,454 INFO L168 Benchmark]: Witness Printer took 115.30 ms. Allocated memory is still 4.9 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:01:46,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 915.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 915.2 MB in the beginning and 1.2 GB in the end (delta: -237.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1045.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134732.89 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 115.30 ms. Allocated memory is still 4.9 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((!(8 == \old(a15)) || ((!(a15 == 9) && 1 == a24) && !(a15 == 7))) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || (12 <= a12 && 1 == a24)) || ((!(a15 == 9) && 6 == a21) && !(a15 == 7))) || (!(9 == a21) && 1 == a24)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 134.6s OverallTime, 11 OverallIterations, 7 TraceHistogramMax, 90.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1899 SDtfs, 14601 SDslu, 2535 SDs, 0 SdLazy, 18930 SolverSat, 3437 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 5648 GetRequests, 5480 SyntacticMatches, 11 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12989occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 29.2s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9973038947540429 AbsIntWeakeningRatio, 0.08661926308985132 AbsIntAvgWeakeningVarsNumRemoved, 15.95087265675501 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 653 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 254 PreInvPairs, 410 NumberOfFragments, 271 HoareAnnotationTreeSize, 254 FomulaSimplifications, 17236 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14653 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 6671 NumberOfCodeBlocks, 6671 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 8615 ConstructedInterpolants, 0 QuantifiedInterpolants, 18904322 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2859 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 13634/15374 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...