./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/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 a07d46acee19a1bf676413a71857b7cd94a5f704 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:41:35,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:41:35,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:41:35,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:41:35,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:41:35,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:41:35,599 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:41:35,600 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:41:35,601 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:41:35,602 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:41:35,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:41:35,603 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:41:35,603 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:41:35,604 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:41:35,605 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:41:35,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:41:35,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:41:35,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:41:35,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:41:35,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:41:35,610 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:41:35,611 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:41:35,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:41:35,612 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:41:35,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:41:35,613 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:41:35,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:41:35,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:41:35,615 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:41:35,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:41:35,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:41:35,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:41:35,616 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:41:35,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:41:35,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:41:35,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:41:35,617 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:41:35,627 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:41:35,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:41:35,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:41:35,628 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:41:35,628 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:41:35,628 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:41:35,628 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:41:35,628 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:41:35,628 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:41:35,629 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:41:35,629 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:41:35,629 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:41:35,629 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:41:35,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:41:35,630 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:41:35,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:41:35,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:41:35,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:41:35,632 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:41:35,632 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_787b2bd7-b651-4f81-8926-e279de8fb1a0/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-11-23 11:41:35,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:41:35,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:41:35,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:41:35,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:41:35,669 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:41:35,669 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-23 11:41:35,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/data/fa6d7e246/6b0bf2ff7f3a46feafaf465d01482f8e/FLAG634c8b934 [2018-11-23 11:41:36,107 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:41:36,108 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-23 11:41:36,116 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/data/fa6d7e246/6b0bf2ff7f3a46feafaf465d01482f8e/FLAG634c8b934 [2018-11-23 11:41:36,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/data/fa6d7e246/6b0bf2ff7f3a46feafaf465d01482f8e [2018-11-23 11:41:36,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:41:36,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:41:36,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:36,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:41:36,135 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:41:36,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36, skipping insertion in model container [2018-11-23 11:41:36,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:41:36,179 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:41:36,419 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:36,422 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:41:36,486 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:36,496 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:41:36,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36 WrapperNode [2018-11-23 11:41:36,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:36,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:36,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:41:36,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:41:36,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:36,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:41:36,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:41:36,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:41:36,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... [2018-11-23 11:41:36,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:41:36,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:41:36,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:41:36,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:41:36,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:41:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:41:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:41:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:41:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:41:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:41:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:41:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:41:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:41:37,478 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:41:37,478 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:41:37,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:37 BoogieIcfgContainer [2018-11-23 11:41:37,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:41:37,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:41:37,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:41:37,482 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:41:37,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:41:36" (1/3) ... [2018-11-23 11:41:37,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:37, skipping insertion in model container [2018-11-23 11:41:37,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:36" (2/3) ... [2018-11-23 11:41:37,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:37, skipping insertion in model container [2018-11-23 11:41:37,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:37" (3/3) ... [2018-11-23 11:41:37,484 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-11-23 11:41:37,490 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:41:37,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:41:37,507 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:41:37,529 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:41:37,529 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:41:37,530 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:41:37,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:41:37,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:41:37,530 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:41:37,530 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:41:37,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:41:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 11:41:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 11:41:37,555 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:37,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:37,558 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:37,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:37,561 INFO L82 PathProgramCache]: Analyzing trace with hash -548785191, now seen corresponding path program 1 times [2018-11-23 11:41:37,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:37,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:37,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:37,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:37,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:37,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:37,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:41:37,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:37,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:41:37,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:41:37,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:41:37,891 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 11:41:38,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:38,472 INFO L93 Difference]: Finished difference Result 618 states and 1057 transitions. [2018-11-23 11:41:38,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:41:38,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-23 11:41:38,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:38,489 INFO L225 Difference]: With dead ends: 618 [2018-11-23 11:41:38,489 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 11:41:38,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:41:38,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 11:41:38,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 379. [2018-11-23 11:41:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 11:41:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 635 transitions. [2018-11-23 11:41:38,550 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 635 transitions. Word has length 139 [2018-11-23 11:41:38,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:38,551 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 635 transitions. [2018-11-23 11:41:38,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:41:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 635 transitions. [2018-11-23 11:41:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 11:41:38,556 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:38,556 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:38,556 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:38,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:38,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1297037278, now seen corresponding path program 1 times [2018-11-23 11:41:38,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:38,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:38,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:38,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:38,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:38,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:38,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:41:38,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:38,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:41:38,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:41:38,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:41:38,778 INFO L87 Difference]: Start difference. First operand 379 states and 635 transitions. Second operand 5 states. [2018-11-23 11:41:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:39,247 INFO L93 Difference]: Finished difference Result 896 states and 1550 transitions. [2018-11-23 11:41:39,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:41:39,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-11-23 11:41:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:39,250 INFO L225 Difference]: With dead ends: 896 [2018-11-23 11:41:39,250 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 11:41:39,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:41:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 11:41:39,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 11:41:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 11:41:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 630 transitions. [2018-11-23 11:41:39,265 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 630 transitions. Word has length 147 [2018-11-23 11:41:39,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:39,265 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 630 transitions. [2018-11-23 11:41:39,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:41:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 630 transitions. [2018-11-23 11:41:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 11:41:39,267 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:39,268 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:39,268 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:39,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:39,268 INFO L82 PathProgramCache]: Analyzing trace with hash -2104183969, now seen corresponding path program 1 times [2018-11-23 11:41:39,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:39,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:39,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:39,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:39,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:39,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:39,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:41:39,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:39,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:39,354 INFO L87 Difference]: Start difference. First operand 378 states and 630 transitions. Second operand 6 states. [2018-11-23 11:41:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:40,030 INFO L93 Difference]: Finished difference Result 1176 states and 2058 transitions. [2018-11-23 11:41:40,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:41:40,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-23 11:41:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:40,036 INFO L225 Difference]: With dead ends: 1176 [2018-11-23 11:41:40,036 INFO L226 Difference]: Without dead ends: 804 [2018-11-23 11:41:40,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-23 11:41:40,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 796. [2018-11-23 11:41:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2018-11-23 11:41:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1270 transitions. [2018-11-23 11:41:40,070 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1270 transitions. Word has length 172 [2018-11-23 11:41:40,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:40,070 INFO L480 AbstractCegarLoop]: Abstraction has 796 states and 1270 transitions. [2018-11-23 11:41:40,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:40,071 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1270 transitions. [2018-11-23 11:41:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 11:41:40,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:40,075 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:40,075 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:40,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:40,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1505826471, now seen corresponding path program 1 times [2018-11-23 11:41:40,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:40,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:40,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:40,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:40,077 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:40,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:40,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:40,243 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-11-23 11:41:40,245 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:41:40,281 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:40,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:40,826 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:41:40,827 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 11:41:40,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:40,852 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:41:41,162 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 82.95% of their original sizes. [2018-11-23 11:41:41,163 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:41:41,296 INFO L415 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-11-23 11:41:41,296 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:41:41,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:41,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 11:41:41,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:41,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:41:41,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:41:41,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:41:41,298 INFO L87 Difference]: Start difference. First operand 796 states and 1270 transitions. Second operand 10 states. [2018-11-23 11:41:44,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:44,438 INFO L93 Difference]: Finished difference Result 2179 states and 3451 transitions. [2018-11-23 11:41:44,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 11:41:44,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-11-23 11:41:44,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:44,444 INFO L225 Difference]: With dead ends: 2179 [2018-11-23 11:41:44,444 INFO L226 Difference]: Without dead ends: 1389 [2018-11-23 11:41:44,447 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:41:44,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2018-11-23 11:41:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1383. [2018-11-23 11:41:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2018-11-23 11:41:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1955 transitions. [2018-11-23 11:41:44,481 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1955 transitions. Word has length 173 [2018-11-23 11:41:44,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:44,482 INFO L480 AbstractCegarLoop]: Abstraction has 1383 states and 1955 transitions. [2018-11-23 11:41:44,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:41:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1955 transitions. [2018-11-23 11:41:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 11:41:44,487 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:44,487 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:44,487 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:44,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:44,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1225701160, now seen corresponding path program 1 times [2018-11-23 11:41:44,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:44,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:44,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:44,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:44,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 11:41:44,620 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:44,620 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:44,621 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-11-23 11:41:44,621 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:41:44,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:44,626 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:44,796 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:41:44,796 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 4 different actions 4 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 11:41:44,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:44,812 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:41:45,024 INFO L227 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 81.18% of their original sizes. [2018-11-23 11:41:45,024 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:41:45,116 INFO L415 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2018-11-23 11:41:45,116 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:41:45,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:45,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 11:41:45,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:45,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:41:45,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:41:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:41:45,118 INFO L87 Difference]: Start difference. First operand 1383 states and 1955 transitions. Second operand 10 states. [2018-11-23 11:41:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:48,517 INFO L93 Difference]: Finished difference Result 3200 states and 4473 transitions. [2018-11-23 11:41:48,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:41:48,517 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2018-11-23 11:41:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:48,520 INFO L225 Difference]: With dead ends: 3200 [2018-11-23 11:41:48,521 INFO L226 Difference]: Without dead ends: 1823 [2018-11-23 11:41:48,522 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:41:48,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2018-11-23 11:41:48,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1819. [2018-11-23 11:41:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1819 states. [2018-11-23 11:41:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2465 transitions. [2018-11-23 11:41:48,548 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2465 transitions. Word has length 203 [2018-11-23 11:41:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:48,548 INFO L480 AbstractCegarLoop]: Abstraction has 1819 states and 2465 transitions. [2018-11-23 11:41:48,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:41:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2465 transitions. [2018-11-23 11:41:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 11:41:48,552 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:48,553 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:48,553 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:48,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:48,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2038493280, now seen corresponding path program 1 times [2018-11-23 11:41:48,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:48,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:48,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:48,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:48,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:48,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:48,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:48,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-23 11:41:48,743 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:41:48,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:48,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:48,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:41:48,934 INFO L272 AbstractInterpreter]: Visited 145 different actions 430 times. Merged at 7 different actions 17 times. Never widened. Performed 5050 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5050 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:41:48,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:48,937 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:41:48,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:48,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:41:48,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:48,943 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:41:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:49,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:41:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:41:49,075 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:41:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:41:49,180 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:41:49,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 11:41:49,180 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:41:49,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:41:49,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:41:49,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 11:41:49,181 INFO L87 Difference]: Start difference. First operand 1819 states and 2465 transitions. Second operand 14 states. [2018-11-23 11:41:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:50,876 INFO L93 Difference]: Finished difference Result 5478 states and 7941 transitions. [2018-11-23 11:41:50,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 11:41:50,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 207 [2018-11-23 11:41:50,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:50,881 INFO L225 Difference]: With dead ends: 5478 [2018-11-23 11:41:50,881 INFO L226 Difference]: Without dead ends: 2640 [2018-11-23 11:41:50,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 11:41:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2018-11-23 11:41:50,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2573. [2018-11-23 11:41:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2573 states. [2018-11-23 11:41:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 3072 transitions. [2018-11-23 11:41:50,920 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 3072 transitions. Word has length 207 [2018-11-23 11:41:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:50,921 INFO L480 AbstractCegarLoop]: Abstraction has 2573 states and 3072 transitions. [2018-11-23 11:41:50,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:41:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 3072 transitions. [2018-11-23 11:41:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 11:41:50,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:50,925 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:50,926 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:50,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:50,926 INFO L82 PathProgramCache]: Analyzing trace with hash -25860040, now seen corresponding path program 1 times [2018-11-23 11:41:50,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:50,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:50,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:50,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:50,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:51,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:51,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:51,054 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-23 11:41:51,054 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:41:51,057 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:51,057 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:51,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:41:51,232 INFO L272 AbstractInterpreter]: Visited 144 different actions 425 times. Merged at 6 different actions 15 times. Never widened. Performed 5035 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5035 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:41:51,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:51,233 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:41:51,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:51,233 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:41:51,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:51,239 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:41:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:51,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:41:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:41:51,337 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:41:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:41:51,423 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:51,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 11:41:51,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:51,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:41:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:41:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:51,425 INFO L87 Difference]: Start difference. First operand 2573 states and 3072 transitions. Second operand 3 states. [2018-11-23 11:41:51,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:51,751 INFO L93 Difference]: Finished difference Result 5304 states and 6455 transitions. [2018-11-23 11:41:51,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:41:51,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-11-23 11:41:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:51,757 INFO L225 Difference]: With dead ends: 5304 [2018-11-23 11:41:51,757 INFO L226 Difference]: Without dead ends: 3415 [2018-11-23 11:41:51,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:51,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2018-11-23 11:41:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3352. [2018-11-23 11:41:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3352 states. [2018-11-23 11:41:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 3958 transitions. [2018-11-23 11:41:51,801 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 3958 transitions. Word has length 224 [2018-11-23 11:41:51,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:51,801 INFO L480 AbstractCegarLoop]: Abstraction has 3352 states and 3958 transitions. [2018-11-23 11:41:51,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:41:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 3958 transitions. [2018-11-23 11:41:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 11:41:51,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:51,807 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:51,807 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:51,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:51,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1474800227, now seen corresponding path program 1 times [2018-11-23 11:41:51,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:51,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:51,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:51,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:51,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 11:41:51,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:51,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:51,946 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-23 11:41:51,946 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:41:51,949 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:51,949 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:52,112 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:41:52,112 INFO L272 AbstractInterpreter]: Visited 144 different actions 425 times. Merged at 6 different actions 13 times. Never widened. Performed 4850 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 11:41:52,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:52,120 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:41:52,287 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 84.7% of their original sizes. [2018-11-23 11:41:52,287 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:41:52,347 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-23 11:41:52,347 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:41:52,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:52,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 11:41:52,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:52,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:41:52,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:41:52,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:52,349 INFO L87 Difference]: Start difference. First operand 3352 states and 3958 transitions. Second operand 9 states. [2018-11-23 11:41:54,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:54,464 INFO L93 Difference]: Finished difference Result 6367 states and 7728 transitions. [2018-11-23 11:41:54,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 11:41:54,464 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 251 [2018-11-23 11:41:54,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:54,464 INFO L225 Difference]: With dead ends: 6367 [2018-11-23 11:41:54,464 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:41:54,470 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 11:41:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:41:54,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:41:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:41:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:41:54,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-11-23 11:41:54,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:54,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:41:54,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:41:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:41:54,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:41:54,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:41:54,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:55,103 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 11:41:55,297 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 11:41:55,298 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 571) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,299 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 11:41:55,300 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:41:55,301 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 11:41:55,302 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 11:41:55,303 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 11:41:55,304 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,305 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= 9 |old(~a28~0)|)) (.cse15 (= |old(~a11~0)| ~a11~0)) (.cse19 (= |old(~a17~0)| ~a17~0)) (.cse16 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (and .cse15 .cse19 .cse16)) (.cse7 (= 0 |old(~a28~0)|)) (.cse9 (= ~a19~0 1)) (.cse5 (= 1 |old(~a11~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse17 (<= ~a19~0 0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse14 (not (= |old(~a17~0)| 8))) (.cse18 (< 0 |old(~a19~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a25~0)|))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= 0 |old(~a11~0)|))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse13 (not .cse3)) (.cse10 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse0 (= ~a25~0 0) .cse6 .cse7 .cse2 .cse11 .cse8 .cse10 (not (= 0 |old(~a25~0)|))) (or .cse0 .cse12 .cse6 .cse8 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) .cse13 (not .cse5)) (or .cse0 .cse1 .cse2 .cse3 .cse14) (or .cse0 .cse5 .cse3 .cse14 .cse1) (or .cse0 .cse6 .cse7 .cse2 .cse8 (and .cse15 (= ~a17~0 8) .cse9 .cse16) .cse10) (or .cse0 .cse5 .cse17 .cse3 .cse14 .cse18) (or .cse0 (and .cse15 .cse17 .cse19 .cse16) .cse2 .cse18 .cse4) (or .cse0 .cse17 .cse2 .cse3 .cse14 .cse18) (or (or .cse0 .cse12 .cse6 .cse11 .cse8 .cse13) (= ~a25~0 1) .cse10)))) [2018-11-23 11:41:55,305 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,306 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 11:41:55,307 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 11:41:55,308 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:55,309 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 11:41:55,309 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:41:55,309 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:55,310 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-11-23 11:41:55,310 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a17~0 8)) (.cse2 (<= ~a17~0 7)) (.cse0 (not (= ~a28~0 8))) (.cse3 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 (= ~a19~0 1)) (and .cse2 (<= ~a19~0 0) .cse0) (and .cse1 (not (= ~a11~0 1)) .cse3) (and (= |old(~a17~0)| ~a17~0) .cse0 .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse0 .cse3))) [2018-11-23 11:41:55,310 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:41:55,310 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:41:55,310 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse1 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse0 (not (= ~a11~0 1)) .cse1) (and .cse2 (<= ~a19~0 0) .cse3) (and (not (= main_~input~0 0)) .cse3 (= ~a17~0 8) (= ~a19~0 1)) (and .cse0 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1))) [2018-11-23 11:41:55,310 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 11:41:55,310 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 11:41:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:41:55 BoogieIcfgContainer [2018-11-23 11:41:55,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:41:55,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:41:55,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:41:55,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:41:55,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:37" (3/4) ... [2018-11-23 11:41:55,322 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:41:55,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:41:55,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 11:41:55,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:41:55,335 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:41:55,336 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:41:55,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-11-23 11:41:55,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_787b2bd7-b651-4f81-8926-e279de8fb1a0/bin-2019/utaipan/witness.graphml [2018-11-23 11:41:55,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:41:55,419 INFO L168 Benchmark]: Toolchain (without parser) took 19287.69 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 944.8 MB). Free memory was 952.1 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). Peak memory consumption was 730.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,419 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:41:55,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 921.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,420 INFO L168 Benchmark]: Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,420 INFO L168 Benchmark]: RCFGBuilder took 857.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,420 INFO L168 Benchmark]: TraceAbstraction took 17839.45 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 802.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 642.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,421 INFO L168 Benchmark]: Witness Printer took 99.39 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:55,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.44 ms. Allocated memory is still 1.0 GB. Free memory was 952.1 MB in the beginning and 921.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -214.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 857.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.9 MB). Peak memory consumption was 104.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17839.45 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 802.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -159.7 MB). Peak memory consumption was 642.5 MB. Max. memory is 11.5 GB. * Witness Printer took 99.39 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 571]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || !(0 == \old(a25))) || ((!(a28 == 8) && a17 == 8) && a19 == 1)) || ((a17 <= 7 && a19 <= 0) && !(a28 == 8))) || ((a17 == 8 && !(a11 == 1)) && !(a28 == 9))) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 12.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1218 SDtfs, 7615 SDslu, 1702 SDs, 0 SdLazy, 8874 SolverSat, 1934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1586 GetRequests, 1481 SyntacticMatches, 7 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3352occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975222827504319 AbsIntWeakeningRatio, 0.16826923076923078 AbsIntAvgWeakeningVarsNumRemoved, 26.583333333333332 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 149 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 90 PreInvPairs, 164 NumberOfFragments, 572 HoareAnnotationTreeSize, 90 FomulaSimplifications, 2846 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2693 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1947 NumberOfCodeBlocks, 1947 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522222 SizeOfPredicates, 2 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 804/917 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...