./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_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_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:58:25,339 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:58:25,340 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:58:25,346 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:58:25,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:58:25,347 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:58:25,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:58:25,349 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:58:25,351 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:58:25,351 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:58:25,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:58:25,352 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:58:25,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:58:25,353 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:58:25,354 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:58:25,355 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:58:25,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:58:25,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:58:25,358 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:58:25,359 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:58:25,360 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:58:25,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:58:25,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:58:25,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:58:25,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:58:25,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:58:25,364 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:58:25,365 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:58:25,365 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:58:25,366 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:58:25,366 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:58:25,367 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:58:25,367 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:58:25,367 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:58:25,368 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:58:25,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:58:25,369 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:58:25,379 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:58:25,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:58:25,380 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:58:25,380 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:58:25,380 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:58:25,380 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:58:25,380 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:58:25,380 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:58:25,381 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:58:25,381 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:58:25,381 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:58:25,381 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:58:25,381 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:58:25,382 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:58:25,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:58:25,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:58:25,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:58:25,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:58:25,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:58:25,385 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:58:25,385 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_6779b0b2-f6b3-4a15-b536-692a81bad187/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-11-23 07:58:25,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:58:25,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:58:25,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:58:25,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:58:25,422 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:58:25,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-23 07:58:25,468 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/data/7d6a99066/f505410c6b9b461a8d0bd86e5e93f1c9/FLAG2b9ae7816 [2018-11-23 07:58:25,844 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:58:25,844 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-23 07:58:25,853 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/data/7d6a99066/f505410c6b9b461a8d0bd86e5e93f1c9/FLAG2b9ae7816 [2018-11-23 07:58:26,228 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/data/7d6a99066/f505410c6b9b461a8d0bd86e5e93f1c9 [2018-11-23 07:58:26,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:58:26,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:58:26,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:58:26,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:58:26,234 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:58:26,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26, skipping insertion in model container [2018-11-23 07:58:26,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:58:26,276 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:58:26,518 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:58:26,521 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:58:26,583 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:58:26,595 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:58:26,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26 WrapperNode [2018-11-23 07:58:26,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:58:26,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:58:26,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:58:26,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:58:26,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:58:26,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:58:26,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:58:26,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:58:26,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... [2018-11-23 07:58:26,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:58:26,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:58:26,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:58:26,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:58:26,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/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 07:58:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:58:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:58:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:58:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:58:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:58:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:58:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:58:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:58:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:58:27,482 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:58:27,482 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:58:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:27 BoogieIcfgContainer [2018-11-23 07:58:27,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:58:27,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:58:27,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:58:27,486 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:58:27,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:58:26" (1/3) ... [2018-11-23 07:58:27,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b4558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:58:27, skipping insertion in model container [2018-11-23 07:58:27,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:58:26" (2/3) ... [2018-11-23 07:58:27,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b4558c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:58:27, skipping insertion in model container [2018-11-23 07:58:27,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:27" (3/3) ... [2018-11-23 07:58:27,489 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label17_true-unreach-call_false-termination.c [2018-11-23 07:58:27,495 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:58:27,500 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:58:27,510 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:58:27,533 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:58:27,533 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:58:27,533 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:58:27,533 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:58:27,534 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:58:27,534 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:58:27,534 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:58:27,534 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:58:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 07:58:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 07:58:27,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:27,560 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, 1, 1, 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 07:58:27,562 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:27,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash -130625471, now seen corresponding path program 1 times [2018-11-23 07:58:27,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:27,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:27,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:27,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:27,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:27,875 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 07:58:27,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:27,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:58:27,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:27,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:58:27,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:58:27,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:58:27,891 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 07:58:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:28,436 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 07:58:28,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:58:28,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-23 07:58:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:28,449 INFO L225 Difference]: With dead ends: 615 [2018-11-23 07:58:28,449 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 07:58:28,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:58:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 07:58:28,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 07:58:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 07:58:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 07:58:28,502 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 125 [2018-11-23 07:58:28,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:28,503 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 07:58:28,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:58:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 07:58:28,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 07:58:28,508 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:28,509 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:58:28,509 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:28,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:28,510 INFO L82 PathProgramCache]: Analyzing trace with hash -439764036, now seen corresponding path program 1 times [2018-11-23 07:58:28,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:28,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:28,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:28,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:28,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:58:28,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:58:28,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:58:28,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:28,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:58:28,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:58:28,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:58:28,666 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 07:58:29,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:29,380 INFO L93 Difference]: Finished difference Result 1220 states and 2085 transitions. [2018-11-23 07:58:29,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:58:29,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-23 07:58:29,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:29,385 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 07:58:29,385 INFO L226 Difference]: Without dead ends: 849 [2018-11-23 07:58:29,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:58:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-23 07:58:29,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 819. [2018-11-23 07:58:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-23 07:58:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1288 transitions. [2018-11-23 07:58:29,423 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1288 transitions. Word has length 140 [2018-11-23 07:58:29,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:29,424 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1288 transitions. [2018-11-23 07:58:29,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:58:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1288 transitions. [2018-11-23 07:58:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 07:58:29,427 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:29,428 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:29,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:29,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:29,428 INFO L82 PathProgramCache]: Analyzing trace with hash 946157655, now seen corresponding path program 1 times [2018-11-23 07:58:29,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:29,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:29,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:29,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:29,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:58:29,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:29,535 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:58:29,537 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-23 07:58:29,538 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:58:29,566 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:58:29,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:58:29,883 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:58:29,884 INFO L272 AbstractInterpreter]: Visited 126 different actions 126 times. Never merged. Never widened. Performed 1392 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1392 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 07:58:29,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:29,897 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:58:30,180 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 81.09% of their original sizes. [2018-11-23 07:58:30,180 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:58:30,238 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-23 07:58:30,239 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:58:30,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:30,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 07:58:30,240 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:30,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:58:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:58:30,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:58:30,242 INFO L87 Difference]: Start difference. First operand 819 states and 1288 transitions. Second operand 6 states. [2018-11-23 07:58:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:32,494 INFO L93 Difference]: Finished difference Result 1780 states and 2795 transitions. [2018-11-23 07:58:32,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:58:32,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-23 07:58:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:32,497 INFO L225 Difference]: With dead ends: 1780 [2018-11-23 07:58:32,497 INFO L226 Difference]: Without dead ends: 967 [2018-11-23 07:58:32,498 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:58:32,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-23 07:58:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2018-11-23 07:58:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-23 07:58:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1441 transitions. [2018-11-23 07:58:32,516 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1441 transitions. Word has length 148 [2018-11-23 07:58:32,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:32,516 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1441 transitions. [2018-11-23 07:58:32,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:58:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1441 transitions. [2018-11-23 07:58:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 07:58:32,519 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:32,519 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:32,519 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:32,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:32,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1728900408, now seen corresponding path program 1 times [2018-11-23 07:58:32,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:32,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:32,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:32,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:32,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:58:32,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:32,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:58:32,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 07:58:32,630 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:58:32,635 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:58:32,635 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:58:33,001 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:58:33,001 INFO L272 AbstractInterpreter]: Visited 130 different actions 385 times. Merged at 6 different actions 15 times. Never widened. Performed 4340 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4340 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 07:58:33,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:33,033 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:58:33,236 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.73% of their original sizes. [2018-11-23 07:58:33,236 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:58:33,319 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 07:58:33,319 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:58:33,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:33,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 07:58:33,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:33,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:58:33,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:58:33,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:58:33,321 INFO L87 Difference]: Start difference. First operand 965 states and 1441 transitions. Second operand 9 states. [2018-11-23 07:58:36,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:36,896 INFO L93 Difference]: Finished difference Result 2380 states and 3567 transitions. [2018-11-23 07:58:36,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 07:58:36,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 07:58:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:36,899 INFO L225 Difference]: With dead ends: 2380 [2018-11-23 07:58:36,899 INFO L226 Difference]: Without dead ends: 1421 [2018-11-23 07:58:36,901 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 07:58:36,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-11-23 07:58:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1344. [2018-11-23 07:58:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-23 07:58:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1922 transitions. [2018-11-23 07:58:36,927 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1922 transitions. Word has length 157 [2018-11-23 07:58:36,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:36,927 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1922 transitions. [2018-11-23 07:58:36,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:58:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1922 transitions. [2018-11-23 07:58:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 07:58:36,930 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:36,930 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:36,930 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:36,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:36,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1919684712, now seen corresponding path program 1 times [2018-11-23 07:58:36,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:36,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:36,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:36,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:36,932 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:58:37,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:37,009 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:58:37,009 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-23 07:58:37,009 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], [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], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:58:37,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:58:37,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:58:37,124 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:58:37,125 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 4 different actions 4 times. Never widened. Performed 2759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2759 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 07:58:37,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:37,137 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:58:37,252 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 81.07% of their original sizes. [2018-11-23 07:58:37,252 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:58:37,308 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-23 07:58:37,309 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:58:37,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:37,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:58:37,309 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:37,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:58:37,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:58:37,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:58:37,310 INFO L87 Difference]: Start difference. First operand 1344 states and 1922 transitions. Second operand 10 states. [2018-11-23 07:58:40,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:40,157 INFO L93 Difference]: Finished difference Result 2978 states and 4231 transitions. [2018-11-23 07:58:40,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 07:58:40,158 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-23 07:58:40,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:40,163 INFO L225 Difference]: With dead ends: 2978 [2018-11-23 07:58:40,163 INFO L226 Difference]: Without dead ends: 1640 [2018-11-23 07:58:40,166 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 147 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 07:58:40,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2018-11-23 07:58:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1637. [2018-11-23 07:58:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-23 07:58:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2262 transitions. [2018-11-23 07:58:40,200 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2262 transitions. Word has length 156 [2018-11-23 07:58:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:40,200 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2262 transitions. [2018-11-23 07:58:40,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:58:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2262 transitions. [2018-11-23 07:58:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 07:58:40,205 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:40,206 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:58:40,206 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:40,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:40,206 INFO L82 PathProgramCache]: Analyzing trace with hash -189213152, now seen corresponding path program 1 times [2018-11-23 07:58:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:40,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:58:40,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:40,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:58:40,448 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 07:58:40,448 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], [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], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:58:40,451 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:58:40,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:58:40,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:58:40,697 INFO L272 AbstractInterpreter]: Visited 130 different actions 381 times. Merged at 6 different actions 13 times. Never widened. Performed 4532 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4532 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 07:58:40,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:40,699 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:58:40,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:40,699 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/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 07:58:40,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:40,706 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:58:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:40,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:58:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:58:40,877 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:58:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 07:58:40,937 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:40,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-23 07:58:40,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:40,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:58:40,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:58:40,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:58:40,938 INFO L87 Difference]: Start difference. First operand 1637 states and 2262 transitions. Second operand 3 states. [2018-11-23 07:58:41,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:41,306 INFO L93 Difference]: Finished difference Result 4195 states and 6075 transitions. [2018-11-23 07:58:41,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:58:41,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 07:58:41,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:41,314 INFO L225 Difference]: With dead ends: 4195 [2018-11-23 07:58:41,315 INFO L226 Difference]: Without dead ends: 2564 [2018-11-23 07:58:41,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 319 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:58:41,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2018-11-23 07:58:41,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2561. [2018-11-23 07:58:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2561 states. [2018-11-23 07:58:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3660 transitions. [2018-11-23 07:58:41,357 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3660 transitions. Word has length 160 [2018-11-23 07:58:41,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:41,357 INFO L480 AbstractCegarLoop]: Abstraction has 2561 states and 3660 transitions. [2018-11-23 07:58:41,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:58:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3660 transitions. [2018-11-23 07:58:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 07:58:41,362 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:58:41,362 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 07:58:41,362 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:58:41,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1618883671, now seen corresponding path program 1 times [2018-11-23 07:58:41,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:58:41,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:58:41,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:58:41,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:58:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:58:41,427 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 07:58:41,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:58:41,428 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:58:41,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-11-23 07:58:41,428 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [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], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 07:58:41,430 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:58:41,430 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:58:41,598 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:58:41,598 INFO L272 AbstractInterpreter]: Visited 130 different actions 387 times. Merged at 7 different actions 17 times. Never widened. Performed 4526 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 07:58:41,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:58:41,605 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:58:41,740 INFO L227 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 84.6% of their original sizes. [2018-11-23 07:58:41,740 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:58:41,800 INFO L415 sIntCurrentIteration]: We unified 187 AI predicates to 187 [2018-11-23 07:58:41,800 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:58:41,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:58:41,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:58:41,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:58:41,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:58:41,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:58:41,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:58:41,801 INFO L87 Difference]: Start difference. First operand 2561 states and 3660 transitions. Second operand 10 states. [2018-11-23 07:58:45,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:58:45,303 INFO L93 Difference]: Finished difference Result 7517 states and 11165 transitions. [2018-11-23 07:58:45,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 07:58:45,303 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-11-23 07:58:45,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:58:45,303 INFO L225 Difference]: With dead ends: 7517 [2018-11-23 07:58:45,303 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:58:45,313 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-23 07:58:45,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:58:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:58:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:58:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:58:45,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-11-23 07:58:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:58:45,313 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:58:45,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:58:45,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:58:45,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:58:45,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:58:45,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:58:45,937 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 71 [2018-11-23 07:58:45,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:58:45,989 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|)) [2018-11-23 07:58:45,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 07:58:45,990 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 07:58:45,991 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 07:58:45,991 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 07:58:45,991 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 07:58:45,991 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,992 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:58:45,993 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 07:58:45,994 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 07:58:45,995 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 07:58:45,996 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,997 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 07:58:45,998 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:45,999 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (= ~a28~0 7)) (.cse1 (= 0 |old(~a17~0)|)) (.cse10 (= |old(~a19~0)| ~a19~0)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse9 (< 10 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse3 (= 0 |old(~a28~0)|)) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse8 (not (= 0 |old(~a25~0)|)))) (and (or (and (or .cse0 (not (= 7 |old(~a28~0)|))) (or .cse0 (not (= 1 |old(~a25~0)|)))) .cse1 .cse2 .cse3 (or (= ~a25~0 1) .cse4) .cse5) (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse6 .cse5 (or .cse4 (= ~a28~0 10)) .cse2 .cse7 .cse8) (or .cse9 (and .cse10 .cse11 (<= ~a28~0 10))) (or (= ~a17~0 8) .cse0 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse1 (and .cse11 (not (= ~a28~0 0)) (= ~a19~0 1) (not (= ~a17~0 0))) .cse2 .cse3 .cse5) (or (= 7 |old(~a17~0)|) (and .cse10 .cse11 (not (= ~a17~0 7)))) (or .cse9 .cse0 .cse2 .cse3 (= ~a25~0 0) .cse6 .cse7 .cse5 .cse8))) [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 07:58:46,000 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,001 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 07:58:46,002 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 529) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 07:58:46,003 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:58:46,004 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 07:58:46,004 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:58:46,004 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)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 07:58:46,004 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (<= ~a28~0 10) (= ~a19~0 1) (not (= 1 |old(~a19~0)|)) (not (= ~a17~0 7)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= ~a17~0 7)) (not (= 0 |old(~a11~0)|)) (<= ~a28~0 10) (not (= 8 |old(~a17~0)|)) (and (not (= main_~input~0 0)) (= ~a19~0 1)) (not (= 0 |old(~a25~0)|))) [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 07:58:46,004 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 07:58:46,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:58:46 BoogieIcfgContainer [2018-11-23 07:58:46,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:58:46,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:58:46,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:58:46,013 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:58:46,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:58:27" (3/4) ... [2018-11-23 07:58:46,016 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:58:46,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:58:46,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:58:46,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:58:46,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:58:46,027 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:58:46,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || a28 <= 10) || a19 == 1) || !(1 == \old(a19))) || !(a17 == 7)) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 07:58:46,109 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6779b0b2-f6b3-4a15-b536-692a81bad187/bin-2019/utaipan/witness.graphml [2018-11-23 07:58:46,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:58:46,109 INFO L168 Benchmark]: Toolchain (without parser) took 19878.68 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 957.1 MB in the beginning and 1.4 GB in the end (delta: -412.8 MB). Peak memory consumption was 812.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,110 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:58:46,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -239.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,111 INFO L168 Benchmark]: Boogie Preprocessor took 51.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,111 INFO L168 Benchmark]: RCFGBuilder took 763.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,111 INFO L168 Benchmark]: TraceAbstraction took 18528.94 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -339.2 MB). Peak memory consumption was 718.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,111 INFO L168 Benchmark]: Witness Printer took 96.15 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:58:46,113 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -239.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 763.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18528.94 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -339.2 MB). Peak memory consumption was 718.2 MB. Max. memory is 11.5 GB. * Witness Printer took 96.15 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 529]: 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))) || a28 <= 10) || a19 == 1) || !(1 == \old(a19))) || !(a17 == 7)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 18.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 13.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1305 SDtfs, 4604 SDslu, 1941 SDs, 0 SdLazy, 6428 SolverSat, 1369 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1023 GetRequests, 941 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2561occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9967500642010815 AbsIntWeakeningRatio, 0.22325581395348837 AbsIntAvgWeakeningVarsNumRemoved, 26.06356589147287 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 115 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 147 NumberOfFragments, 339 HoareAnnotationTreeSize, 76 FomulaSimplifications, 5276 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1898 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1234 NumberOfCodeBlocks, 1234 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1385 ConstructedInterpolants, 0 QuantifiedInterpolants, 604684 SizeOfPredicates, 2 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 282/340 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...