./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:32:57,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:32:57,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:32:57,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:32:57,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:32:57,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:32:57,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:32:57,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:32:57,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:32:57,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:32:57,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:32:57,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:32:57,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:32:57,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:32:57,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:32:57,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:32:57,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:32:57,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:32:57,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:32:57,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:32:57,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:32:57,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:32:57,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:32:57,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:32:57,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:32:57,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:32:57,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:32:57,475 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:32:57,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:32:57,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:32:57,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:32:57,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:32:57,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:32:57,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:32:57,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:32:57,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:32:57,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:32:57,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:32:57,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:32:57,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:32:57,490 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:32:57,490 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:32:57,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:32:57,490 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:32:57,491 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:32:57,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:32:57,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:32:57,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:32:57,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:32:57,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:32:57,494 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:32:57,495 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_d669f128-f650-4488-bc88-46d5699e2382/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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-11-23 07:32:57,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:32:57,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:32:57,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:32:57,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:32:57,529 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:32:57,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-23 07:32:57,574 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/data/e140211ca/72c8f186f8f34cceaba3aaa1b18d305c/FLAG2b73dad09 [2018-11-23 07:32:57,953 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:32:57,953 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-23 07:32:57,962 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/data/e140211ca/72c8f186f8f34cceaba3aaa1b18d305c/FLAG2b73dad09 [2018-11-23 07:32:58,346 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/data/e140211ca/72c8f186f8f34cceaba3aaa1b18d305c [2018-11-23 07:32:58,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:32:58,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:32:58,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:32:58,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:32:58,352 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:32:58,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4896bd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58, skipping insertion in model container [2018-11-23 07:32:58,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:32:58,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:32:58,626 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:32:58,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:32:58,697 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:32:58,710 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:32:58,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58 WrapperNode [2018-11-23 07:32:58,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:32:58,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:32:58,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:32:58,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:32:58,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:32:58,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:32:58,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:32:58,793 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:32:58,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... [2018-11-23 07:32:58,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:32:58,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:32:58,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:32:58,843 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:32:58,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:32:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:32:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:32:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:32:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:32:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:32:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:32:59,570 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:32:59,570 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:32:59,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:59 BoogieIcfgContainer [2018-11-23 07:32:59,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:32:59,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:32:59,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:32:59,575 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:32:59,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:32:58" (1/3) ... [2018-11-23 07:32:59,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a0c8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:32:59, skipping insertion in model container [2018-11-23 07:32:59,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:32:58" (2/3) ... [2018-11-23 07:32:59,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a0c8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:32:59, skipping insertion in model container [2018-11-23 07:32:59,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:59" (3/3) ... [2018-11-23 07:32:59,578 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-11-23 07:32:59,584 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:32:59,589 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:32:59,599 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:32:59,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:32:59,621 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:32:59,621 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:32:59,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:32:59,621 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:32:59,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:32:59,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:32:59,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:32:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 07:32:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 07:32:59,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:32:59,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:32:59,648 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:32:59,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:32:59,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2018-11-23 07:32:59,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:32:59,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:59,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:32:59,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:32:59,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:32:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:32:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:32:59,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:32:59,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:32:59,945 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:32:59,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:32:59,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:32:59,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:32:59,959 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-11-23 07:33:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:00,761 INFO L93 Difference]: Finished difference Result 784 states and 1369 transitions. [2018-11-23 07:33:00,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:33:00,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-23 07:33:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:00,777 INFO L225 Difference]: With dead ends: 784 [2018-11-23 07:33:00,777 INFO L226 Difference]: Without dead ends: 542 [2018-11-23 07:33:00,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:33:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-11-23 07:33:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 381. [2018-11-23 07:33:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 07:33:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 629 transitions. [2018-11-23 07:33:00,833 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 629 transitions. Word has length 99 [2018-11-23 07:33:00,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:00,834 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 629 transitions. [2018-11-23 07:33:00,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:33:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 629 transitions. [2018-11-23 07:33:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 07:33:00,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:00,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:00,837 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:00,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:00,838 INFO L82 PathProgramCache]: Analyzing trace with hash 30248894, now seen corresponding path program 1 times [2018-11-23 07:33:00,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:00,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:00,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:00,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:00,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:33:00,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:33:00,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:33:00,925 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:33:00,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:33:00,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:33:00,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:33:00,926 INFO L87 Difference]: Start difference. First operand 381 states and 629 transitions. Second operand 3 states. [2018-11-23 07:33:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:01,279 INFO L93 Difference]: Finished difference Result 1054 states and 1811 transitions. [2018-11-23 07:33:01,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:33:01,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-23 07:33:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:01,286 INFO L225 Difference]: With dead ends: 1054 [2018-11-23 07:33:01,286 INFO L226 Difference]: Without dead ends: 679 [2018-11-23 07:33:01,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:33:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2018-11-23 07:33:01,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 674. [2018-11-23 07:33:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-11-23 07:33:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1074 transitions. [2018-11-23 07:33:01,309 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1074 transitions. Word has length 107 [2018-11-23 07:33:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:01,310 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 1074 transitions. [2018-11-23 07:33:01,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:33:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1074 transitions. [2018-11-23 07:33:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 07:33:01,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:01,313 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:01,314 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:01,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:01,314 INFO L82 PathProgramCache]: Analyzing trace with hash 183684818, now seen corresponding path program 1 times [2018-11-23 07:33:01,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:01,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:01,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:01,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:01,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:33:01,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:01,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:33:01,416 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-23 07:33:01,418 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:33:01,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:33:01,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:33:01,755 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:33:01,756 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Performed 1168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 07:33:01,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:01,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:33:02,004 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.6% of their original sizes. [2018-11-23 07:33:02,004 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:33:02,049 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-23 07:33:02,049 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:33:02,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:33:02,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-23 07:33:02,050 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:33:02,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:33:02,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:33:02,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:33:02,051 INFO L87 Difference]: Start difference. First operand 674 states and 1074 transitions. Second operand 7 states. [2018-11-23 07:33:03,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:03,936 INFO L93 Difference]: Finished difference Result 1490 states and 2398 transitions. [2018-11-23 07:33:03,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:33:03,936 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-11-23 07:33:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:03,939 INFO L225 Difference]: With dead ends: 1490 [2018-11-23 07:33:03,939 INFO L226 Difference]: Without dead ends: 822 [2018-11-23 07:33:03,941 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 07:33:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-11-23 07:33:03,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 820. [2018-11-23 07:33:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2018-11-23 07:33:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1228 transitions. [2018-11-23 07:33:03,962 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1228 transitions. Word has length 136 [2018-11-23 07:33:03,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:03,963 INFO L480 AbstractCegarLoop]: Abstraction has 820 states and 1228 transitions. [2018-11-23 07:33:03,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:33:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1228 transitions. [2018-11-23 07:33:03,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 07:33:03,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:03,966 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:03,966 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:03,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:03,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1462241987, now seen corresponding path program 1 times [2018-11-23 07:33:03,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:03,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:03,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:03,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:03,967 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:33:04,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:04,090 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:33:04,090 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-23 07:33:04,090 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:33:04,093 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:33:04,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:33:04,413 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:33:04,413 INFO L272 AbstractInterpreter]: Visited 104 different actions 307 times. Merged at 6 different actions 15 times. Never widened. Performed 3635 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3635 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:33:04,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:04,424 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:33:04,630 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 84.19% of their original sizes. [2018-11-23 07:33:04,630 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:33:04,665 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-23 07:33:04,665 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:33:04,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:33:04,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 07:33:04,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:33:04,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:33:04,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:33:04,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:33:04,666 INFO L87 Difference]: Start difference. First operand 820 states and 1228 transitions. Second operand 9 states. [2018-11-23 07:33:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:07,797 INFO L93 Difference]: Finished difference Result 2441 states and 3823 transitions. [2018-11-23 07:33:07,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 07:33:07,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2018-11-23 07:33:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:07,801 INFO L225 Difference]: With dead ends: 2441 [2018-11-23 07:33:07,801 INFO L226 Difference]: Without dead ends: 1627 [2018-11-23 07:33:07,803 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 07:33:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2018-11-23 07:33:07,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1601. [2018-11-23 07:33:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1601 states. [2018-11-23 07:33:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2192 transitions. [2018-11-23 07:33:07,833 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2192 transitions. Word has length 145 [2018-11-23 07:33:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:07,834 INFO L480 AbstractCegarLoop]: Abstraction has 1601 states and 2192 transitions. [2018-11-23 07:33:07,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:33:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2192 transitions. [2018-11-23 07:33:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 07:33:07,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:07,838 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:07,838 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:07,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:07,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1838882133, now seen corresponding path program 1 times [2018-11-23 07:33:07,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:07,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:07,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:07,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:07,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 07:33:07,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:07,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:33:07,936 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-23 07:33:07,936 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [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], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:33:07,939 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:33:07,939 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:33:08,074 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:33:08,074 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2306 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 07:33:08,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:08,076 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:33:08,218 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 80.62% of their original sizes. [2018-11-23 07:33:08,218 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:33:08,269 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-23 07:33:08,269 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:33:08,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:33:08,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:33:08,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:33:08,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:33:08,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:33:08,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:33:08,270 INFO L87 Difference]: Start difference. First operand 1601 states and 2192 transitions. Second operand 10 states. [2018-11-23 07:33:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:10,680 INFO L93 Difference]: Finished difference Result 3492 states and 4774 transitions. [2018-11-23 07:33:10,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 07:33:10,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2018-11-23 07:33:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:10,684 INFO L225 Difference]: With dead ends: 3492 [2018-11-23 07:33:10,685 INFO L226 Difference]: Without dead ends: 1897 [2018-11-23 07:33:10,688 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:33:10,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2018-11-23 07:33:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1894. [2018-11-23 07:33:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1894 states. [2018-11-23 07:33:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2533 transitions. [2018-11-23 07:33:10,714 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2533 transitions. Word has length 200 [2018-11-23 07:33:10,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:10,715 INFO L480 AbstractCegarLoop]: Abstraction has 1894 states and 2533 transitions. [2018-11-23 07:33:10,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:33:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2533 transitions. [2018-11-23 07:33:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 07:33:10,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:10,719 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:10,719 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:10,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:10,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1739595059, now seen corresponding path program 1 times [2018-11-23 07:33:10,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:10,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:10,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:10,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:10,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:33:10,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:10,823 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:33:10,823 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-23 07:33:10,823 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [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], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:33:10,826 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:33:10,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:33:10,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:33:10,961 INFO L272 AbstractInterpreter]: Visited 107 different actions 310 times. Merged at 7 different actions 15 times. Never widened. Performed 3834 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 07:33:10,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:10,963 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:33:10,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:10,963 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:33:10,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:10,970 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:33:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:11,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:33:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:33:11,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:33:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:33:11,209 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:33:11,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 07:33:11,209 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:33:11,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:33:11,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:33:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:33:11,210 INFO L87 Difference]: Start difference. First operand 1894 states and 2533 transitions. Second operand 9 states. [2018-11-23 07:33:13,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:13,073 INFO L93 Difference]: Finished difference Result 6845 states and 9822 transitions. [2018-11-23 07:33:13,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 07:33:13,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2018-11-23 07:33:13,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:13,082 INFO L225 Difference]: With dead ends: 6845 [2018-11-23 07:33:13,082 INFO L226 Difference]: Without dead ends: 2799 [2018-11-23 07:33:13,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-11-23 07:33:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2018-11-23 07:33:13,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2654. [2018-11-23 07:33:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2654 states. [2018-11-23 07:33:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3108 transitions. [2018-11-23 07:33:13,150 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3108 transitions. Word has length 204 [2018-11-23 07:33:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:13,151 INFO L480 AbstractCegarLoop]: Abstraction has 2654 states and 3108 transitions. [2018-11-23 07:33:13,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:33:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3108 transitions. [2018-11-23 07:33:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 07:33:13,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:33:13,158 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:33:13,158 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:33:13,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:13,158 INFO L82 PathProgramCache]: Analyzing trace with hash -382493489, now seen corresponding path program 1 times [2018-11-23 07:33:13,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:33:13,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:13,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:13,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:33:13,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:33:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:33:13,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:13,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:33:13,289 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-23 07:33:13,289 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [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], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:33:13,291 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:33:13,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:33:13,476 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:33:13,477 INFO L272 AbstractInterpreter]: Visited 107 different actions 416 times. Merged at 7 different actions 25 times. Never widened. Performed 5143 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5143 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:33:13,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:33:13,480 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:33:13,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:33:13,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:33:13,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:33:13,487 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:33:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:33:13,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:33:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 07:33:13,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:33:13,720 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:33:13,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:33:13,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-23 07:33:13,740 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:33:13,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 07:33:13,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 07:33:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-23 07:33:13,741 INFO L87 Difference]: Start difference. First operand 2654 states and 3108 transitions. Second operand 13 states. [2018-11-23 07:33:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:33:14,845 INFO L93 Difference]: Finished difference Result 5255 states and 6290 transitions. [2018-11-23 07:33:14,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 07:33:14,845 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2018-11-23 07:33:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:33:14,846 INFO L225 Difference]: With dead ends: 5255 [2018-11-23 07:33:14,846 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:33:14,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 07:33:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:33:14,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:33:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:33:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:33:14,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-11-23 07:33:14,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:33:14,855 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:33:14,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 07:33:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:33:14,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:33:14,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:33:14,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:33:14,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:33:14,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:33:14,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:33:14,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:33:15,571 WARN L180 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2018-11-23 07:33:15,684 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-11-23 07:33:15,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 07:33:15,783 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,784 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 07:33:15,785 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 07:33:15,786 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 07:33:15,787 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 07:33:15,788 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,789 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 07:33:15,790 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,791 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,792 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 07:33:15,793 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a11~0)|))) (let ((.cse15 (< 7 |old(~a17~0)|)) (.cse4 (= ~a19~0 1)) (.cse16 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse17)) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= 1 ~a11~0)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse12 (= 8 |old(~a28~0)|)) (.cse13 (< 8 |old(~a17~0)|)) (.cse10 (= 1 ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= ~a28~0 0)) .cse3 (= ~a17~0 8) .cse4) .cse5 .cse6 .cse7) (or .cse8 (and .cse3 .cse9 .cse10 .cse11) .cse12 .cse13 .cse7) (or .cse8 (and .cse14 .cse3 .cse10) .cse7 .cse15) (or .cse0 .cse1 .cse2 .cse12 .cse5 .cse6 .cse4) (or .cse16 .cse8 .cse10 .cse7) (or .cse12 (and .cse3 .cse9 .cse11) .cse7 .cse15) (or .cse0 .cse8 .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse16 .cse7 (and .cse14 .cse3 (not (= 1 ~a19~0)))) (or .cse17 .cse13 (and (= ~a11~0 |old(~a11~0)|) .cse9 .cse11)) (or .cse0 .cse1 .cse2 (= ~a25~0 0) .cse12 (not (= 0 |old(~a11~0)|)) .cse5 .cse6 (not (= 0 |old(~a25~0)|))) (or .cse10 .cse13 (or .cse17 .cse8)) (or .cse10 .cse0 .cse8 .cse5 .cse6)))) [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 07:33:15,794 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 07:33:15,795 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 07:33:15,796 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L444 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)) [2018-11-23 07:33:15,797 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L444 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)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 07:33:15,797 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:33:15,797 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-11-23 07:33:15,798 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 07:33:15,798 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 07:33:15,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:33:15 BoogieIcfgContainer [2018-11-23 07:33:15,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:33:15,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:33:15,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:33:15,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:33:15,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:32:59" (3/4) ... [2018-11-23 07:33:15,811 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:33:15,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:33:15,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:33:15,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:33:15,825 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:33:15,826 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:33:15,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) [2018-11-23 07:33:15,918 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d669f128-f650-4488-bc88-46d5699e2382/bin-2019/utaipan/witness.graphml [2018-11-23 07:33:15,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:33:15,919 INFO L168 Benchmark]: Toolchain (without parser) took 17570.83 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 874.5 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -290.9 MB). Peak memory consumption was 583.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,919 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:33:15,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 920.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,920 INFO L168 Benchmark]: Boogie Preprocessor took 50.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,920 INFO L168 Benchmark]: RCFGBuilder took 727.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,920 INFO L168 Benchmark]: TraceAbstraction took 16235.11 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 745.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -254.1 MB). Peak memory consumption was 491.5 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,921 INFO L168 Benchmark]: Witness Printer took 110.87 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:33:15,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.27 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 920.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -201.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 727.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16235.11 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 745.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -254.1 MB). Peak memory consumption was 491.5 MB. Max. memory is 11.5 GB. * Witness Printer took 110.87 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 16.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 11.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1408 SDtfs, 6847 SDslu, 1433 SDs, 0 SdLazy, 9199 SolverSat, 2224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1438 GetRequests, 1331 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2654occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.996568529306833 AbsIntWeakeningRatio, 0.24476987447698745 AbsIntAvgWeakeningVarsNumRemoved, 26.364016736401673 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 342 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 154 NumberOfFragments, 549 HoareAnnotationTreeSize, 88 FomulaSimplifications, 3176 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2191 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1531 NumberOfCodeBlocks, 1531 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1942 ConstructedInterpolants, 0 QuantifiedInterpolants, 815253 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1028 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1035/1172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...