./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/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 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:52:55,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:52:55,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:52:55,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:52:55,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:52:55,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:52:55,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:52:55,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:52:55,389 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:52:55,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:52:55,390 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:52:55,390 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:52:55,390 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:52:55,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:52:55,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:52:55,392 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:52:55,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:52:55,393 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:52:55,394 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:52:55,395 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:52:55,395 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:52:55,396 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:52:55,397 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:52:55,397 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:52:55,397 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:52:55,398 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:52:55,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:52:55,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:52:55,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:52:55,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:52:55,400 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:52:55,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:52:55,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:52:55,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:52:55,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:52:55,401 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:52:55,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 03:52:55,408 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:52:55,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:52:55,409 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:52:55,409 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:52:55,409 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 03:52:55,409 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 03:52:55,409 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 03:52:55,409 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 03:52:55,409 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 03:52:55,410 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:52:55,410 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:52:55,411 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:52:55,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:52:55,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:52:55,412 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 03:52:55,413 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:52:55,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:52:55,413 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 03:52:55,413 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_61f12a51-d943-4124-9512-9bd148c75fce/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 -> 6dacd915ddcb2eb31881c9efdd8e6c888fdc7dc2 [2018-12-02 03:52:55,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:52:55,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:52:55,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:52:55,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:52:55,439 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:52:55,439 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-02 03:52:55,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/data/e9daf4e50/a38e750e100e46b0b3b166d418e44d83/FLAG163492241 [2018-12-02 03:52:55,821 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:52:55,821 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/sv-benchmarks/c/eca-rers2012/Problem01_label55_true-unreach-call_false-termination.c [2018-12-02 03:52:55,829 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/data/e9daf4e50/a38e750e100e46b0b3b166d418e44d83/FLAG163492241 [2018-12-02 03:52:56,218 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/data/e9daf4e50/a38e750e100e46b0b3b166d418e44d83 [2018-12-02 03:52:56,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:52:56,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:52:56,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:52:56,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:52:56,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:52:56,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f5ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56, skipping insertion in model container [2018-12-02 03:52:56,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:52:56,263 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:52:56,481 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:52:56,485 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:52:56,599 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:52:56,612 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:52:56,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56 WrapperNode [2018-12-02 03:52:56,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:52:56,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:52:56,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:52:56,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:52:56,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:52:56,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:52:56,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:52:56,639 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:52:56,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... [2018-12-02 03:52:56,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:52:56,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:52:56,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:52:56,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:52:56,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/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 [2018-12-02 03:52:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:52:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:52:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 03:52:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 03:52:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:52:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:52:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:52:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:52:57,303 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:52:57,303 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 03:52:57,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:52:57 BoogieIcfgContainer [2018-12-02 03:52:57,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:52:57,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:52:57,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:52:57,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:52:57,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:52:56" (1/3) ... [2018-12-02 03:52:57,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2903fd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:52:57, skipping insertion in model container [2018-12-02 03:52:57,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:52:56" (2/3) ... [2018-12-02 03:52:57,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2903fd6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:52:57, skipping insertion in model container [2018-12-02 03:52:57,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:52:57" (3/3) ... [2018-12-02 03:52:57,309 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label55_true-unreach-call_false-termination.c [2018-12-02 03:52:57,318 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:52:57,324 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:52:57,337 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:52:57,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:52:57,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:52:57,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:52:57,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:52:57,364 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:52:57,364 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:52:57,364 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:52:57,364 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:52:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 03:52:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 03:52:57,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:52:57,385 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] [2018-12-02 03:52:57,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:52:57,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:52:57,389 INFO L82 PathProgramCache]: Analyzing trace with hash -462333177, now seen corresponding path program 1 times [2018-12-02 03:52:57,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:52:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:57,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:52:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:57,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:52:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:52:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:52:57,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:52:57,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 03:52:57,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:52:57,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:52:57,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:52:57,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:52:57,659 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 03:52:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:52:58,118 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 03:52:58,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:52:58,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-12-02 03:52:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:52:58,127 INFO L225 Difference]: With dead ends: 547 [2018-12-02 03:52:58,127 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 03:52:58,130 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 [2018-12-02 03:52:58,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 03:52:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 03:52:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 03:52:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-02 03:52:58,172 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 117 [2018-12-02 03:52:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:52:58,173 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-02 03:52:58,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:52:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-02 03:52:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 03:52:58,177 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:52:58,177 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 03:52:58,177 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:52:58,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:52:58,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1604702730, now seen corresponding path program 1 times [2018-12-02 03:52:58,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:52:58,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:58,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:52:58,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:58,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:52:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:52:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:52:58,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:52:58,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:52:58,252 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:52:58,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:52:58,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:52:58,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:52:58,253 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-02 03:52:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:52:58,642 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-02 03:52:58,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:52:58,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-12-02 03:52:58,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:52:58,645 INFO L225 Difference]: With dead ends: 840 [2018-12-02 03:52:58,645 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 03:52:58,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:52:58,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 03:52:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-02 03:52:58,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-02 03:52:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-02 03:52:58,664 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 126 [2018-12-02 03:52:58,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:52:58,664 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-02 03:52:58,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:52:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-02 03:52:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 03:52:58,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:52:58,666 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2018-12-02 03:52:58,666 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:52:58,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:52:58,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1555807011, now seen corresponding path program 1 times [2018-12-02 03:52:58,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:52:58,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:58,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:52:58,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:52:58,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:52:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:52:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:52:58,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:52:58,724 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:52:58,724 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-12-02 03:52:58,725 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:52:58,751 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:52:58,751 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:52:59,119 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:52:59,120 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 3263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 03:52:59,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:52:59,128 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:52:59,357 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 81.92% of their original sizes. [2018-12-02 03:52:59,358 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:52:59,411 INFO L418 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-12-02 03:52:59,411 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:52:59,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:52:59,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 03:52:59,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:52:59,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:52:59,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:52:59,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:52:59,413 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 10 states. [2018-12-02 03:53:03,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:03,346 INFO L93 Difference]: Finished difference Result 1901 states and 2752 transitions. [2018-12-02 03:53:03,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 03:53:03,346 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2018-12-02 03:53:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:03,349 INFO L225 Difference]: With dead ends: 1901 [2018-12-02 03:53:03,349 INFO L226 Difference]: Without dead ends: 1349 [2018-12-02 03:53:03,350 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 03:53:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-02 03:53:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-02 03:53:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-02 03:53:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 939 transitions. [2018-12-02 03:53:03,366 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 939 transitions. Word has length 137 [2018-12-02 03:53:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:03,366 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 939 transitions. [2018-12-02 03:53:03,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:53:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 939 transitions. [2018-12-02 03:53:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 03:53:03,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:03,368 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-02 03:53:03,368 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:03,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash 830818489, now seen corresponding path program 1 times [2018-12-02 03:53:03,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:03,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:03,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:03,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:03,369 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:03,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:03,446 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:03,446 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-02 03:53:03,446 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:03,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:03,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:03,554 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:53:03,554 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 03:53:03,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:03,556 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:53:03,658 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.9% of their original sizes. [2018-12-02 03:53:03,658 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:53:03,690 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-02 03:53:03,691 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:53:03,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:03,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 03:53:03,691 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:03,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:53:03,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:53:03,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:03,692 INFO L87 Difference]: Start difference. First operand 697 states and 939 transitions. Second operand 10 states. [2018-12-02 03:53:05,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:05,934 INFO L93 Difference]: Finished difference Result 1662 states and 2205 transitions. [2018-12-02 03:53:05,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 03:53:05,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-12-02 03:53:05,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:05,937 INFO L225 Difference]: With dead ends: 1662 [2018-12-02 03:53:05,937 INFO L226 Difference]: Without dead ends: 971 [2018-12-02 03:53:05,938 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 03:53:05,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-02 03:53:05,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-02 03:53:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-02 03:53:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1236 transitions. [2018-12-02 03:53:05,953 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1236 transitions. Word has length 144 [2018-12-02 03:53:05,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:05,953 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1236 transitions. [2018-12-02 03:53:05,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:53:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1236 transitions. [2018-12-02 03:53:05,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 03:53:05,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:05,955 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:05,956 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:05,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:05,956 INFO L82 PathProgramCache]: Analyzing trace with hash 469138834, now seen corresponding path program 1 times [2018-12-02 03:53:05,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:05,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:05,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:05,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:05,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:53:06,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:06,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:06,016 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-02 03:53:06,016 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:06,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:06,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:06,295 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:53:06,295 INFO L272 AbstractInterpreter]: Visited 123 different actions 487 times. Merged at 7 different actions 27 times. Never widened. Performed 6927 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6927 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 03:53:06,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:06,304 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:53:06,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:06,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/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 [2018-12-02 03:53:06,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:06,311 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:53:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:06,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:53:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 03:53:06,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:53:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:53:06,470 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 03:53:06,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 03:53:06,470 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 03:53:06,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 03:53:06,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 03:53:06,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:53:06,471 INFO L87 Difference]: Start difference. First operand 969 states and 1236 transitions. Second operand 8 states. [2018-12-02 03:53:07,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:07,969 INFO L93 Difference]: Finished difference Result 2933 states and 3963 transitions. [2018-12-02 03:53:07,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 03:53:07,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-12-02 03:53:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:07,973 INFO L225 Difference]: With dead ends: 2933 [2018-12-02 03:53:07,973 INFO L226 Difference]: Without dead ends: 1819 [2018-12-02 03:53:07,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2018-12-02 03:53:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-02 03:53:07,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1527. [2018-12-02 03:53:07,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-02 03:53:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1773 transitions. [2018-12-02 03:53:07,997 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1773 transitions. Word has length 155 [2018-12-02 03:53:07,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:07,997 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1773 transitions. [2018-12-02 03:53:07,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 03:53:07,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1773 transitions. [2018-12-02 03:53:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 03:53:08,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:08,000 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:08,000 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:08,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:08,000 INFO L82 PathProgramCache]: Analyzing trace with hash -769454370, now seen corresponding path program 1 times [2018-12-02 03:53:08,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:08,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:08,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:08,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:08,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:53:08,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:08,070 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:08,071 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-12-02 03:53:08,071 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:08,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:08,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:08,175 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:53:08,175 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 3238 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3238 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 03:53:08,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:08,176 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:53:08,301 INFO L227 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 81.82% of their original sizes. [2018-12-02 03:53:08,301 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:53:08,334 INFO L418 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-12-02 03:53:08,334 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:53:08,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:08,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 03:53:08,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:08,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:53:08,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:53:08,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:08,335 INFO L87 Difference]: Start difference. First operand 1527 states and 1773 transitions. Second operand 10 states. [2018-12-02 03:53:10,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:10,708 INFO L93 Difference]: Finished difference Result 3050 states and 3596 transitions. [2018-12-02 03:53:10,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 03:53:10,708 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-12-02 03:53:10,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:10,714 INFO L225 Difference]: With dead ends: 3050 [2018-12-02 03:53:10,714 INFO L226 Difference]: Without dead ends: 1801 [2018-12-02 03:53:10,717 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 03:53:10,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-12-02 03:53:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2018-12-02 03:53:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2018-12-02 03:53:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2066 transitions. [2018-12-02 03:53:10,753 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2066 transitions. Word has length 182 [2018-12-02 03:53:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:10,753 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2066 transitions. [2018-12-02 03:53:10,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:53:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2066 transitions. [2018-12-02 03:53:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:53:10,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:10,758 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:10,758 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:10,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:10,758 INFO L82 PathProgramCache]: Analyzing trace with hash -131879047, now seen corresponding path program 1 times [2018-12-02 03:53:10,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:10,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:10,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:10,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:10,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:53:10,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:10,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:10,835 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-02 03:53:10,835 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:10,837 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:10,837 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:11,098 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:53:11,098 INFO L272 AbstractInterpreter]: Visited 124 different actions 493 times. Merged at 8 different actions 30 times. Never widened. Performed 7049 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7049 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 03:53:11,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:11,099 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:53:11,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:11,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:53:11,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:11,106 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:53:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:11,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:53:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 03:53:11,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:53:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 03:53:11,294 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 03:53:11,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 03:53:11,295 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 03:53:11,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 03:53:11,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 03:53:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:53:11,295 INFO L87 Difference]: Start difference. First operand 1799 states and 2066 transitions. Second operand 11 states. [2018-12-02 03:53:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:12,285 INFO L93 Difference]: Finished difference Result 6388 states and 7728 transitions. [2018-12-02 03:53:12,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 03:53:12,286 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2018-12-02 03:53:12,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:12,296 INFO L225 Difference]: With dead ends: 6388 [2018-12-02 03:53:12,296 INFO L226 Difference]: Without dead ends: 5002 [2018-12-02 03:53:12,298 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 383 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 03:53:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5002 states. [2018-12-02 03:53:12,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5002 to 4861. [2018-12-02 03:53:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4861 states. [2018-12-02 03:53:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 5730 transitions. [2018-12-02 03:53:12,357 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 5730 transitions. Word has length 190 [2018-12-02 03:53:12,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:12,357 INFO L480 AbstractCegarLoop]: Abstraction has 4861 states and 5730 transitions. [2018-12-02 03:53:12,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 03:53:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 5730 transitions. [2018-12-02 03:53:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:53:12,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:12,364 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:12,364 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:12,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash -770071325, now seen corresponding path program 2 times [2018-12-02 03:53:12,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:12,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:12,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:12,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:12,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 03:53:12,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:12,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:12,449 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 03:53:12,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 03:53:12,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:12,449 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:53:12,456 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 03:53:12,457 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 03:53:12,493 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-02 03:53:12,493 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:53:12,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:53:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 03:53:12,523 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:53:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 03:53:12,574 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:12,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-02 03:53:12,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:12,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:53:12,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:53:12,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:12,575 INFO L87 Difference]: Start difference. First operand 4861 states and 5730 transitions. Second operand 3 states. [2018-12-02 03:53:12,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:12,795 INFO L93 Difference]: Finished difference Result 11630 states and 14026 transitions. [2018-12-02 03:53:12,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:53:12,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-12-02 03:53:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:12,808 INFO L225 Difference]: With dead ends: 11630 [2018-12-02 03:53:12,808 INFO L226 Difference]: Without dead ends: 7047 [2018-12-02 03:53:12,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 379 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7047 states. [2018-12-02 03:53:12,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7047 to 5965. [2018-12-02 03:53:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5965 states. [2018-12-02 03:53:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5965 states to 5965 states and 7054 transitions. [2018-12-02 03:53:12,882 INFO L78 Accepts]: Start accepts. Automaton has 5965 states and 7054 transitions. Word has length 190 [2018-12-02 03:53:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:12,883 INFO L480 AbstractCegarLoop]: Abstraction has 5965 states and 7054 transitions. [2018-12-02 03:53:12,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:53:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5965 states and 7054 transitions. [2018-12-02 03:53:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 03:53:12,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:12,890 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 03:53:12,890 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:12,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:12,890 INFO L82 PathProgramCache]: Analyzing trace with hash 686529897, now seen corresponding path program 1 times [2018-12-02 03:53:12,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:12,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:12,891 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:53:12,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:12,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 111 proven. 52 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 03:53:12,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:12,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:12,987 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-02 03:53:12,987 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:12,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:12,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:13,208 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:53:13,208 INFO L272 AbstractInterpreter]: Visited 123 different actions 361 times. Merged at 6 different actions 12 times. Never widened. Performed 4803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 03:53:13,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:13,209 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:53:13,353 INFO L227 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 83.32% of their original sizes. [2018-12-02 03:53:13,353 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:53:13,383 INFO L418 sIntCurrentIteration]: We unified 219 AI predicates to 219 [2018-12-02 03:53:13,383 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:53:13,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:13,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 03:53:13,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:13,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:53:13,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:53:13,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:53:13,383 INFO L87 Difference]: Start difference. First operand 5965 states and 7054 transitions. Second operand 9 states. [2018-12-02 03:53:14,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:14,906 INFO L93 Difference]: Finished difference Result 12067 states and 14380 transitions. [2018-12-02 03:53:14,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 03:53:14,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2018-12-02 03:53:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:14,917 INFO L225 Difference]: With dead ends: 12067 [2018-12-02 03:53:14,917 INFO L226 Difference]: Without dead ends: 6652 [2018-12-02 03:53:14,922 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-02 03:53:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6652 states. [2018-12-02 03:53:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6652 to 6513. [2018-12-02 03:53:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6513 states. [2018-12-02 03:53:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 7664 transitions. [2018-12-02 03:53:14,986 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 7664 transitions. Word has length 220 [2018-12-02 03:53:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:14,986 INFO L480 AbstractCegarLoop]: Abstraction has 6513 states and 7664 transitions. [2018-12-02 03:53:14,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:53:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 7664 transitions. [2018-12-02 03:53:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 03:53:14,993 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:14,993 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:14,993 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:14,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:14,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2054284233, now seen corresponding path program 1 times [2018-12-02 03:53:14,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:14,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:14,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:14,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:14,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 03:53:15,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:15,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:15,129 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-12-02 03:53:15,130 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [93], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [581], [583], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 03:53:15,131 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:15,131 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:15,375 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:53:15,375 INFO L272 AbstractInterpreter]: Visited 124 different actions 493 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 7116 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7116 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 03:53:15,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:15,379 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:53:15,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:15,379 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:53:15,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:15,385 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:53:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:15,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:53:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-02 03:53:15,460 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:53:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-02 03:53:15,524 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:15,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-02 03:53:15,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:15,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:53:15,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:53:15,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:15,525 INFO L87 Difference]: Start difference. First operand 6513 states and 7664 transitions. Second operand 3 states. [2018-12-02 03:53:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:15,716 INFO L93 Difference]: Finished difference Result 7055 states and 8298 transitions. [2018-12-02 03:53:15,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:53:15,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2018-12-02 03:53:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:15,717 INFO L225 Difference]: With dead ends: 7055 [2018-12-02 03:53:15,717 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:53:15,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 470 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:53:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:53:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:53:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:53:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:53:15,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2018-12-02 03:53:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:15,723 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:53:15,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:53:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:53:15,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:53:15,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:53:15,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:15,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:53:16,943 WARN L180 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 107 [2018-12-02 03:53:17,102 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2018-12-02 03:53:17,245 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 57 [2018-12-02 03:53:17,246 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:53:17,246 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-12-02 03:53:17,246 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 03:53:17,247 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 03:53:17,248 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 03:53:17,249 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 03:53:17,250 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,251 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 03:53:17,252 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 509) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,253 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 03:53:17,254 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse19 (= 1 |old(~a20~0)|))) (let ((.cse17 (not (= 1 |old(~a7~0)|))) (.cse14 (= 6 |old(~a16~0)|)) (.cse27 (= ~a16~0 6)) (.cse9 (not (= 1 |old(~a21~0)|))) (.cse25 (not .cse19)) (.cse26 (= 0 |old(~a16~0)|)) (.cse12 (not (= 8 ~a12~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse13 (not (= 1 |old(~a17~0)|)))) (let ((.cse6 (= ~a17~0 1)) (.cse22 (or .cse9 .cse25 .cse26 .cse12 .cse7 (= 0 |old(~a8~0)|) .cse13)) (.cse18 (< |old(~a20~0)| 1)) (.cse1 (< |old(~a8~0)| 15)) (.cse23 (not (= ~a16~0 0))) (.cse20 (= ~a21~0 1)) (.cse2 (<= ~a17~0 0)) (.cse15 (= 13 |old(~a8~0)|)) (.cse8 (not (= 0 |old(~a7~0)|))) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse11 (not (= 5 |old(~a16~0)|))) (.cse0 (< 0 |old(~a17~0)|)) (.cse21 (= ~a16~0 5)) (.cse5 (= |old(~a20~0)| ~a20~0)) (.cse16 (not .cse27)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= |old(~a8~0)| ~a8~0)) (.cse24 (let ((.cse28 (< 13 |old(~a8~0)|))) (and (or .cse28 .cse17) (or .cse14 .cse28))))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5) .cse1) (or .cse6 .cse7 (or .cse8 .cse9 .cse10 (not (= 0 |old(~a20~0)|)) .cse11 .cse12 .cse13)) (or .cse14 .cse15 .cse16 .cse17 .cse0) (or .cse14 .cse15 (and .cse3 .cse4 .cse5 .cse16 .cse2) .cse18 .cse0) (or .cse8 .cse9 .cse12 .cse7 .cse19 .cse10 .cse11 (and .cse20 .cse21)) (or .cse8 .cse10 .cse21 .cse11 .cse22) (or (and .cse3 .cse23 .cse4 .cse6 .cse20 (= ~a20~0 1)) .cse22) (or .cse18 .cse24 .cse0 .cse2) (or .cse14 .cse16 .cse19 .cse1) (or .cse14 .cse8 .cse9 .cse12 .cse0 .cse7 (and .cse23 .cse20) .cse25 .cse10 .cse26) (or .cse7 (or (not .cse14) .cse8 .cse9 .cse25 .cse10 (not (= 0 |old(~a17~0)|)) .cse12) (and .cse20 (and (= ~a17~0 0) .cse27))) (or (and .cse3 .cse4 .cse5 .cse2) (or .cse15 .cse0 (< 0 |old(~a20~0)|))) (or (or .cse8 .cse9 .cse10 .cse11 .cse12 .cse7 .cse0) .cse21) (or (and .cse5 (or (and .cse3 .cse4 .cse16) (and .cse3 (= 1 ~a7~0) .cse4))) .cse24))))) [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 03:53:17,255 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 03:53:17,256 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 03:53:17,257 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 03:53:17,258 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1)) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse1) (let ((.cse2 (<= ~a8~0 13))) (or (and .cse2 (= 1 ~a7~0)) (and .cse2 .cse0))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0) (and .cse1 (not (= ~a8~0 13)) (<= ~a20~0 0)))) [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 03:53:17,258 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1)) (and .cse0 .cse1) (let ((.cse2 (<= ~a8~0 13))) (or (and .cse2 (= 1 ~a7~0)) (and .cse2 .cse0))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (<= 15 ~a8~0) (and .cse1 (not (= ~a8~0 13)) (<= ~a20~0 0)))) [2018-12-02 03:53:17,258 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 03:53:17,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:53:17 BoogieIcfgContainer [2018-12-02 03:53:17,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:53:17,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:53:17,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:53:17,266 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:53:17,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:52:57" (3/4) ... [2018-12-02 03:53:17,269 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:53:17,272 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:53:17,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 03:53:17,273 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:53:17,279 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 03:53:17,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 03:53:17,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (!(a16 == 6) && a17 <= 0)) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8))) || 15 <= a8) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0) [2018-12-02 03:53:17,345 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61f12a51-d943-4124-9512-9bd148c75fce/bin-2019/utaipan/witness.graphml [2018-12-02 03:53:17,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:53:17,346 INFO L168 Benchmark]: Toolchain (without parser) took 21125.79 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 947.0 MB in the beginning and 864.4 MB in the end (delta: 82.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,346 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:53:17,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:53:17,347 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,347 INFO L168 Benchmark]: RCFGBuilder took 619.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,347 INFO L168 Benchmark]: TraceAbstraction took 19961.55 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 993.5 MB in the beginning and 889.7 MB in the end (delta: 103.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,347 INFO L168 Benchmark]: Witness Printer took 79.25 ms. Allocated memory is still 2.2 GB. Free memory was 889.7 MB in the beginning and 864.4 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:53:17,348 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 619.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.5 MB in the end (delta: 112.0 MB). Peak memory consumption was 112.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19961.55 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 993.5 MB in the beginning and 889.7 MB in the end (delta: 103.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 79.25 ms. Allocated memory is still 2.2 GB. Free memory was 889.7 MB in the beginning and 864.4 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 509]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || (!(a16 == 6) && a17 <= 0)) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8))) || 15 <= a8) || ((a17 <= 0 && !(a8 == 13)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 19.9s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 13.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 6720 SDslu, 585 SDs, 0 SdLazy, 9071 SolverSat, 1452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2349 GetRequests, 2207 SyntacticMatches, 9 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6513occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968739938177931 AbsIntWeakeningRatio, 0.23269513991163476 AbsIntAvgWeakeningVarsNumRemoved, 28.384388807069218 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2320 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 178 PreInvPairs, 294 NumberOfFragments, 727 HoareAnnotationTreeSize, 178 FomulaSimplifications, 14864 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5581 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2468 NumberOfCodeBlocks, 2404 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260476 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2065 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1714/1933 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...