./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_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_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/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 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:54:44,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:54:44,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:54:44,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:54:44,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:54:44,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:54:44,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:54:44,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:54:44,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:54:44,473 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:54:44,474 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:54:44,474 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:54:44,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:54:44,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:54:44,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:54:44,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:54:44,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:54:44,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:54:44,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:54:44,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:54:44,483 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:54:44,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:54:44,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:54:44,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:54:44,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:54:44,486 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:54:44,487 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:54:44,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:54:44,488 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:54:44,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:54:44,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:54:44,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:54:44,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:54:44,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:54:44,491 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:54:44,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:54:44,492 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:54:44,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:54:44,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:54:44,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:54:44,503 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:54:44,503 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:54:44,503 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:54:44,503 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:54:44,503 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:54:44,503 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:54:44,504 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:54:44,504 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:54:44,504 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:54:44,504 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:54:44,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:54:44,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:54:44,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:54:44,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:54:44,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:54:44,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:54:44,506 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:54:44,506 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:54:44,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:54:44,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:54:44,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:54:44,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:54:44,510 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:54:44,510 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_a8a9d6f6-7bc8-428c-956f-37d778846305/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 -> 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 [2018-11-18 17:54:44,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:54:44,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:54:44,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:54:44,546 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:54:44,546 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:54:44,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-11-18 17:54:44,590 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/data/8f77cf074/198cbad360004e9baa455329f0342c7b/FLAG5751b97ef [2018-11-18 17:54:45,035 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:54:45,035 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-11-18 17:54:45,044 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/data/8f77cf074/198cbad360004e9baa455329f0342c7b/FLAG5751b97ef [2018-11-18 17:54:45,057 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/data/8f77cf074/198cbad360004e9baa455329f0342c7b [2018-11-18 17:54:45,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:54:45,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:54:45,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:54:45,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:54:45,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:54:45,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45, skipping insertion in model container [2018-11-18 17:54:45,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:54:45,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:54:45,332 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:54:45,335 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:54:45,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:54:45,412 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:54:45,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45 WrapperNode [2018-11-18 17:54:45,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:54:45,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:54:45,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:54:45,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:54:45,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:54:45,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:54:45,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:54:45,480 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:54:45,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... [2018-11-18 17:54:45,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:54:45,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:54:45,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:54:45,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:54:45,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/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 17:54:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:54:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:54:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:54:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:54:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:54:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:54:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:54:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:54:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:54:46,398 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:54:46,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:46 BoogieIcfgContainer [2018-11-18 17:54:46,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:54:46,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:54:46,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:54:46,402 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:54:46,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:54:45" (1/3) ... [2018-11-18 17:54:46,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:54:46, skipping insertion in model container [2018-11-18 17:54:46,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:54:45" (2/3) ... [2018-11-18 17:54:46,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:54:46, skipping insertion in model container [2018-11-18 17:54:46,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:46" (3/3) ... [2018-11-18 17:54:46,405 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41_true-unreach-call_false-termination.c [2018-11-18 17:54:46,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:54:46,420 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:54:46,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:54:46,461 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:54:46,461 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:54:46,461 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:54:46,462 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:54:46,462 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:54:46,462 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:54:46,462 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:54:46,462 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:54:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:54:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:54:46,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:46,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:46,491 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:46,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:46,495 INFO L82 PathProgramCache]: Analyzing trace with hash 157371847, now seen corresponding path program 1 times [2018-11-18 17:54:46,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:46,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:46,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:46,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:46,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:46,766 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 17:54:46,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:54:46,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:54:46,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:54:46,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:54:46,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:54:46,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:54:46,782 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:54:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:47,401 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-11-18 17:54:47,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:54:47,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-18 17:54:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:47,413 INFO L225 Difference]: With dead ends: 626 [2018-11-18 17:54:47,413 INFO L226 Difference]: Without dead ends: 387 [2018-11-18 17:54:47,417 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 17:54:47,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-18 17:54:47,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-18 17:54:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 17:54:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-11-18 17:54:47,460 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 97 [2018-11-18 17:54:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:47,461 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-11-18 17:54:47,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:54:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-11-18 17:54:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 17:54:47,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:47,466 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:47,466 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:47,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash 719851312, now seen corresponding path program 1 times [2018-11-18 17:54:47,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:47,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:47,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:47,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:47,468 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:47,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:54:47,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:54:47,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:54:47,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:54:47,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:54:47,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:54:47,559 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-11-18 17:54:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:48,136 INFO L93 Difference]: Finished difference Result 1189 states and 2102 transitions. [2018-11-18 17:54:48,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:54:48,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-11-18 17:54:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:48,142 INFO L225 Difference]: With dead ends: 1189 [2018-11-18 17:54:48,142 INFO L226 Difference]: Without dead ends: 812 [2018-11-18 17:54:48,145 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 17:54:48,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-18 17:54:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 793. [2018-11-18 17:54:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-11-18 17:54:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1279 transitions. [2018-11-18 17:54:48,176 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1279 transitions. Word has length 118 [2018-11-18 17:54:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:48,177 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 1279 transitions. [2018-11-18 17:54:48,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:54:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1279 transitions. [2018-11-18 17:54:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 17:54:48,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:48,180 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:48,180 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:48,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:48,181 INFO L82 PathProgramCache]: Analyzing trace with hash 849468029, now seen corresponding path program 1 times [2018-11-18 17:54:48,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:48,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:48,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:48,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:48,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:48,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:48,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:48,268 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-11-18 17:54:48,269 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:54:48,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:48,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:48,589 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:54:48,591 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Performed 1135 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 17:54:48,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:48,603 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:54:48,847 INFO L227 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 80.56% of their original sizes. [2018-11-18 17:54:48,847 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:54:48,887 INFO L415 sIntCurrentIteration]: We unified 126 AI predicates to 126 [2018-11-18 17:54:48,887 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:54:48,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:54:48,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:54:48,888 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:54:48,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:54:48,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:54:48,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:54:48,889 INFO L87 Difference]: Start difference. First operand 793 states and 1279 transitions. Second operand 6 states. [2018-11-18 17:54:51,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:51,580 INFO L93 Difference]: Finished difference Result 1730 states and 2791 transitions. [2018-11-18 17:54:51,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:54:51,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-18 17:54:51,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:51,587 INFO L225 Difference]: With dead ends: 1730 [2018-11-18 17:54:51,587 INFO L226 Difference]: Without dead ends: 943 [2018-11-18 17:54:51,589 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 122 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 17:54:51,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-11-18 17:54:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 940. [2018-11-18 17:54:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2018-11-18 17:54:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1437 transitions. [2018-11-18 17:54:51,612 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1437 transitions. Word has length 127 [2018-11-18 17:54:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:51,613 INFO L480 AbstractCegarLoop]: Abstraction has 940 states and 1437 transitions. [2018-11-18 17:54:51,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:54:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1437 transitions. [2018-11-18 17:54:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 17:54:51,615 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:51,616 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:51,616 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:51,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:51,616 INFO L82 PathProgramCache]: Analyzing trace with hash -2145566903, now seen corresponding path program 1 times [2018-11-18 17:54:51,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:51,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:51,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:51,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:51,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:54:51,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:51,683 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:51,683 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-11-18 17:54:51,683 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:54:51,688 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:51,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:51,889 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:54:51,889 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 5 different actions 5 times. Never widened. Performed 2288 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2288 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 17:54:51,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:51,893 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:54:52,038 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 82.15% of their original sizes. [2018-11-18 17:54:52,038 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:54:52,097 INFO L415 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-11-18 17:54:52,097 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:54:52,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:54:52,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:54:52,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:54:52,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:54:52,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:54:52,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:54:52,098 INFO L87 Difference]: Start difference. First operand 940 states and 1437 transitions. Second operand 10 states. [2018-11-18 17:54:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:55,298 INFO L93 Difference]: Finished difference Result 2541 states and 4064 transitions. [2018-11-18 17:54:55,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:54:55,298 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2018-11-18 17:54:55,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:55,302 INFO L225 Difference]: With dead ends: 2541 [2018-11-18 17:54:55,302 INFO L226 Difference]: Without dead ends: 1607 [2018-11-18 17:54:55,304 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:54:55,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2018-11-18 17:54:55,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1598. [2018-11-18 17:54:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2018-11-18 17:54:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2229 transitions. [2018-11-18 17:54:55,331 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2229 transitions. Word has length 132 [2018-11-18 17:54:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:55,332 INFO L480 AbstractCegarLoop]: Abstraction has 1598 states and 2229 transitions. [2018-11-18 17:54:55,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:54:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2229 transitions. [2018-11-18 17:54:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 17:54:55,334 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:55,334 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:55,334 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:55,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:55,335 INFO L82 PathProgramCache]: Analyzing trace with hash -26710916, now seen corresponding path program 1 times [2018-11-18 17:54:55,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:55,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:55,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:54:55,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:55,455 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:55,455 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-11-18 17:54:55,455 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:54:55,458 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:55,458 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:55,647 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:55,648 INFO L272 AbstractInterpreter]: Visited 103 different actions 300 times. Merged at 7 different actions 15 times. Never widened. Performed 3510 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3510 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:54:55,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:55,651 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:55,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:55,651 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/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 17:54:55,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:55,658 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:55,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:54:55,782 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:54:55,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:55,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-18 17:54:55,862 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:55,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:54:55,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:54:55,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:54:55,863 INFO L87 Difference]: Start difference. First operand 1598 states and 2229 transitions. Second operand 12 states. [2018-11-18 17:54:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:58,116 INFO L93 Difference]: Finished difference Result 4276 states and 6367 transitions. [2018-11-18 17:54:58,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-18 17:54:58,116 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2018-11-18 17:54:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:58,128 INFO L225 Difference]: With dead ends: 4276 [2018-11-18 17:54:58,128 INFO L226 Difference]: Without dead ends: 2684 [2018-11-18 17:54:58,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 305 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=731, Invalid=2691, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 17:54:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2018-11-18 17:54:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2617. [2018-11-18 17:54:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2018-11-18 17:54:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3315 transitions. [2018-11-18 17:54:58,192 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3315 transitions. Word has length 137 [2018-11-18 17:54:58,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:58,192 INFO L480 AbstractCegarLoop]: Abstraction has 2617 states and 3315 transitions. [2018-11-18 17:54:58,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 17:54:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3315 transitions. [2018-11-18 17:54:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 17:54:58,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:58,198 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:58,198 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:58,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:58,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1467738938, now seen corresponding path program 1 times [2018-11-18 17:54:58,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:58,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:58,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:58,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:58,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:54:58,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:58,275 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:58,275 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-18 17:54:58,275 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:54:58,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:58,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:58,519 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:58,519 INFO L272 AbstractInterpreter]: Visited 106 different actions 421 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 4889 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4889 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:54:58,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:58,533 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:58,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:58,533 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/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 17:54:58,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:58,541 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:58,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 17:54:58,667 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:54:58,727 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:58,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:54:58,727 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:58,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:54:58,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:54:58,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:54:58,728 INFO L87 Difference]: Start difference. First operand 2617 states and 3315 transitions. Second operand 9 states. [2018-11-18 17:54:59,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:54:59,327 INFO L93 Difference]: Finished difference Result 5664 states and 7389 transitions. [2018-11-18 17:54:59,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:54:59,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2018-11-18 17:54:59,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:54:59,334 INFO L225 Difference]: With dead ends: 5664 [2018-11-18 17:54:59,334 INFO L226 Difference]: Without dead ends: 3198 [2018-11-18 17:54:59,337 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 341 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:54:59,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2018-11-18 17:54:59,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3175. [2018-11-18 17:54:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3175 states. [2018-11-18 17:54:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4040 transitions. [2018-11-18 17:54:59,379 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4040 transitions. Word has length 171 [2018-11-18 17:54:59,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:54:59,379 INFO L480 AbstractCegarLoop]: Abstraction has 3175 states and 4040 transitions. [2018-11-18 17:54:59,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:54:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4040 transitions. [2018-11-18 17:54:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 17:54:59,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:54:59,385 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:54:59,385 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:54:59,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash -52475932, now seen corresponding path program 1 times [2018-11-18 17:54:59,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:54:59,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:59,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:59,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:54:59,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:54:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:59,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:59,513 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:54:59,513 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-18 17:54:59,513 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:54:59,516 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:54:59,516 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:54:59,715 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:54:59,715 INFO L272 AbstractInterpreter]: Visited 104 different actions 312 times. Merged at 8 different actions 24 times. Never widened. Performed 3681 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3681 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:54:59,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:54:59,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:54:59,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:54:59,735 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/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 17:54:59,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:54:59,745 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:54:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:54:59,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:54:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:54:59,851 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:54:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:54:59,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:54:59,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:54:59,913 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:54:59,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:54:59,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:54:59,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:54:59,914 INFO L87 Difference]: Start difference. First operand 3175 states and 4040 transitions. Second operand 9 states. [2018-11-18 17:55:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:55:01,201 INFO L93 Difference]: Finished difference Result 8065 states and 10521 transitions. [2018-11-18 17:55:01,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:55:01,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-11-18 17:55:01,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:55:01,202 INFO L225 Difference]: With dead ends: 8065 [2018-11-18 17:55:01,202 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:55:01,210 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-18 17:55:01,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:55:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:55:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:55:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:55:01,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-18 17:55:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:55:01,211 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:55:01,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:55:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:55:01,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:55:01,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:55:01,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:55:01,689 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 59 [2018-11-18 17:55:01,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:55:01,841 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,842 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:55:01,843 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,844 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,845 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:55:01,846 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:55:01,847 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:55:01,848 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:55:01,849 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:55:01,850 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:55:01,851 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,852 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:55:01,853 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= |old(~a17~0)| ~a17~0)) (.cse6 (= |old(~a25~0)| ~a25~0)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= 1 |old(~a11~0)|))) (let ((.cse0 (< 9 |old(~a28~0)|)) (.cse8 (not (= 1 ~a21~0))) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse10 (not (= 0 |old(~a11~0)|))) (.cse13 (= ~a19~0 1)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse14 (< 10 |old(~a28~0)|)) (.cse15 (< |old(~a28~0)| 9)) (.cse2 (< 8 |old(~a17~0)|)) (.cse3 (not .cse4)) (.cse1 (and (= 1 ~a11~0) .cse5 .cse6 .cse7))) (and (or .cse0 .cse1 (= 8 |old(~a28~0)|) .cse2 .cse3) (or .cse4 (and (= ~a11~0 |old(~a11~0)|) .cse5 .cse6 .cse7) .cse2) (or .cse8 .cse0 .cse9 (= 0 |old(~a28~0)|) .cse10 .cse11 .cse12 .cse13) (or (or .cse8 (not (= 11 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|))) .cse9 .cse13 .cse10 .cse11 .cse12) (or .cse14 .cse8 .cse9 .cse15 .cse10 .cse13 .cse11 .cse12) (or .cse14 .cse15 .cse2 .cse3 .cse1)))) [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,854 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:55:01,855 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:55:01,856 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,857 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:55:01,858 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:55:01,859 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:55:01,859 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:55:01,860 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:55:01,860 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a28~0 8)) (<= ~a28~0 9) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:55:01,860 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a28~0 8)) (<= ~a28~0 9) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:55:01,860 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:55:01,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:55:01 BoogieIcfgContainer [2018-11-18 17:55:01,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:55:01,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:55:01,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:55:01,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:55:01,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:54:46" (3/4) ... [2018-11-18 17:55:01,875 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:55:01,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:55:01,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:55:01,880 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:55:01,889 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:55:01,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:55:01,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (((1 == a11 && a28 <= 10) && 9 <= a28) && a17 <= 8)) || (a11 == \old(a11) && a17 <= 8)) || !(0 == \old(a11))) || (((1 == a11 && !(a28 == 8)) && a28 <= 9) && a17 <= 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 17:55:01,984 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8a9d6f6-7bc8-428c-956f-37d778846305/bin-2019/utaipan/witness.graphml [2018-11-18 17:55:01,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:55:01,985 INFO L168 Benchmark]: Toolchain (without parser) took 16925.00 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 812.1 MB). Free memory was 953.9 MB in the beginning and 779.1 MB in the end (delta: 174.7 MB). Peak memory consumption was 986.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,985 INFO L168 Benchmark]: CDTParser took 0.18 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 17:55:01,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 918.8 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,986 INFO L168 Benchmark]: Boogie Preprocessor took 47.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,986 INFO L168 Benchmark]: RCFGBuilder took 871.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,987 INFO L168 Benchmark]: TraceAbstraction took 15471.98 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 697.8 MB). Free memory was 997.5 MB in the beginning and 797.7 MB in the end (delta: 199.9 MB). Peak memory consumption was 897.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,987 INFO L168 Benchmark]: Witness Printer took 112.46 ms. Allocated memory is still 1.8 GB. Free memory was 797.7 MB in the beginning and 779.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:55:01,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 351.45 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 918.8 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 871.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15471.98 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 697.8 MB). Free memory was 997.5 MB in the beginning and 797.7 MB in the end (delta: 199.9 MB). Peak memory consumption was 897.7 MB. Max. memory is 11.5 GB. * Witness Printer took 112.46 ms. Allocated memory is still 1.8 GB. Free memory was 797.7 MB in the beginning and 779.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: 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: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (((1 == a11 && a28 <= 10) && 9 <= a28) && a17 <= 8)) || (a11 == \old(a11) && a17 <= 8)) || !(0 == \old(a11))) || (((1 == a11 && !(a28 == 8)) && a28 <= 9) && a17 <= 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 15.4s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1054 SDtfs, 8722 SDslu, 1830 SDs, 0 SdLazy, 10306 SolverSat, 2455 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1392 GetRequests, 1256 SyntacticMatches, 10 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1291 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3175occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9971192945672233 AbsIntWeakeningRatio, 0.26459143968871596 AbsIntAvgWeakeningVarsNumRemoved, 25.63035019455253 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 125 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 86 PreInvPairs, 142 NumberOfFragments, 366 HoareAnnotationTreeSize, 86 FomulaSimplifications, 3087 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2812 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1442 NumberOfCodeBlocks, 1442 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1913 ConstructedInterpolants, 0 QuantifiedInterpolants, 465948 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1465 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 974/1087 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...