./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/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 9c94245f83a700fdfe2d62d007b32e9e3ae1452d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:56:22,535 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:56:22,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:56:22,543 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:56:22,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:56:22,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:56:22,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:56:22,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:56:22,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:56:22,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:56:22,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:56:22,548 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:56:22,549 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:56:22,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:56:22,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:56:22,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:56:22,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:56:22,553 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:56:22,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:56:22,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:56:22,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:56:22,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:56:22,558 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:56:22,558 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:56:22,558 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:56:22,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:56:22,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:56:22,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:56:22,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:56:22,560 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:56:22,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:56:22,561 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:56:22,561 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:56:22,561 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:56:22,562 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:56:22,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:56:22,562 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:56:22,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:56:22,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:56:22,571 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:56:22,571 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:56:22,571 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:56:22,571 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:56:22,571 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:56:22,571 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:56:22,572 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:56:22,572 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:56:22,572 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:56:22,572 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:56:22,572 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:56:22,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:56:22,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:56:22,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:56:22,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:56:22,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:56:22,575 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:56:22,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:56:22,576 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:56:22,576 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_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/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 -> 9c94245f83a700fdfe2d62d007b32e9e3ae1452d [2018-11-18 08:56:22,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:56:22,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:56:22,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:56:22,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:56:22,613 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:56:22,614 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-11-18 08:56:22,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/data/53fd43347/b15f394a3821401487ad52d4b083278e/FLAG821655060 [2018-11-18 08:56:23,165 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:56:23,166 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/sv-benchmarks/c/eca-rers2012/Problem16_label07_true-unreach-call.c [2018-11-18 08:56:23,178 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/data/53fd43347/b15f394a3821401487ad52d4b083278e/FLAG821655060 [2018-11-18 08:56:23,632 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/data/53fd43347/b15f394a3821401487ad52d4b083278e [2018-11-18 08:56:23,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:56:23,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:56:23,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:56:23,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:56:23,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:56:23,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:23" (1/1) ... [2018-11-18 08:56:23,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5174d3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:23, skipping insertion in model container [2018-11-18 08:56:23,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:56:23" (1/1) ... [2018-11-18 08:56:23,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:56:23,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:56:24,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:56:24,113 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:56:24,299 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:56:24,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:56:24,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24 WrapperNode [2018-11-18 08:56:24,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:56:24,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:56:24,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:56:24,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:56:24,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:56:24,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:56:24,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:56:24,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:56:24,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... [2018-11-18 08:56:24,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:56:24,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:56:24,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:56:24,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:56:24,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:56:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:56:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:56:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:56:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 08:56:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 08:56:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 08:56:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 08:56:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:56:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:56:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:56:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:56:26,352 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:56:26,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:26 BoogieIcfgContainer [2018-11-18 08:56:26,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:56:26,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:56:26,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:56:26,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:56:26,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:56:23" (1/3) ... [2018-11-18 08:56:26,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea8b38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:56:26, skipping insertion in model container [2018-11-18 08:56:26,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:56:24" (2/3) ... [2018-11-18 08:56:26,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea8b38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:56:26, skipping insertion in model container [2018-11-18 08:56:26,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:26" (3/3) ... [2018-11-18 08:56:26,360 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label07_true-unreach-call.c [2018-11-18 08:56:26,368 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:56:26,376 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:56:26,389 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:56:26,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:56:26,413 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:56:26,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:56:26,413 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:56:26,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:56:26,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:56:26,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:56:26,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:56:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 08:56:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 08:56:26,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:26,460 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:26,461 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:26,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:26,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1432875621, now seen corresponding path program 1 times [2018-11-18 08:56:26,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:26,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:26,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:26,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:26,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:26,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:26,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:56:26,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:26,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:56:26,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:56:26,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:56:26,695 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 08:56:27,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:27,902 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 08:56:27,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:56:27,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 08:56:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:27,919 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 08:56:27,920 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 08:56:27,925 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:56:27,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 08:56:27,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 08:56:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 08:56:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1317 transitions. [2018-11-18 08:56:27,990 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1317 transitions. Word has length 61 [2018-11-18 08:56:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:27,991 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1317 transitions. [2018-11-18 08:56:27,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:56:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1317 transitions. [2018-11-18 08:56:27,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 08:56:27,996 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:27,996 INFO L375 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, 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] [2018-11-18 08:56:27,997 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:27,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:27,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1517109448, now seen corresponding path program 1 times [2018-11-18 08:56:27,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:27,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:27,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:27,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:27,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:28,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:28,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:56:28,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:28,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:28,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:28,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:28,141 INFO L87 Difference]: Start difference. First operand 744 states and 1317 transitions. Second operand 6 states. [2018-11-18 08:56:31,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:31,322 INFO L93 Difference]: Finished difference Result 2959 states and 5503 transitions. [2018-11-18 08:56:31,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:56:31,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-18 08:56:31,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:31,339 INFO L225 Difference]: With dead ends: 2959 [2018-11-18 08:56:31,339 INFO L226 Difference]: Without dead ends: 2221 [2018-11-18 08:56:31,348 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:56:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2018-11-18 08:56:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 2175. [2018-11-18 08:56:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2175 states. [2018-11-18 08:56:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 3686 transitions. [2018-11-18 08:56:31,417 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 3686 transitions. Word has length 137 [2018-11-18 08:56:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:31,417 INFO L480 AbstractCegarLoop]: Abstraction has 2175 states and 3686 transitions. [2018-11-18 08:56:31,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 3686 transitions. [2018-11-18 08:56:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 08:56:31,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:31,421 INFO L375 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, 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] [2018-11-18 08:56:31,421 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:31,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:31,421 INFO L82 PathProgramCache]: Analyzing trace with hash -726077568, now seen corresponding path program 1 times [2018-11-18 08:56:31,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:31,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:31,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:31,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:31,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:31,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:31,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:56:31,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:31,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:31,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:31,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:31,527 INFO L87 Difference]: Start difference. First operand 2175 states and 3686 transitions. Second operand 6 states. [2018-11-18 08:56:33,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:33,794 INFO L93 Difference]: Finished difference Result 8068 states and 14526 transitions. [2018-11-18 08:56:33,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:56:33,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-18 08:56:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:33,829 INFO L225 Difference]: With dead ends: 8068 [2018-11-18 08:56:33,829 INFO L226 Difference]: Without dead ends: 5899 [2018-11-18 08:56:33,855 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:56:33,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5899 states. [2018-11-18 08:56:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5899 to 5820. [2018-11-18 08:56:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5820 states. [2018-11-18 08:56:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5820 states to 5820 states and 8984 transitions. [2018-11-18 08:56:34,000 INFO L78 Accepts]: Start accepts. Automaton has 5820 states and 8984 transitions. Word has length 141 [2018-11-18 08:56:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:34,000 INFO L480 AbstractCegarLoop]: Abstraction has 5820 states and 8984 transitions. [2018-11-18 08:56:34,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 5820 states and 8984 transitions. [2018-11-18 08:56:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 08:56:34,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:34,006 INFO L375 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, 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] [2018-11-18 08:56:34,006 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:34,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:34,007 INFO L82 PathProgramCache]: Analyzing trace with hash 664486408, now seen corresponding path program 1 times [2018-11-18 08:56:34,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:34,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:34,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:34,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:34,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:56:34,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:56:34,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:56:34,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:34,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:34,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:34,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:34,156 INFO L87 Difference]: Start difference. First operand 5820 states and 8984 transitions. Second operand 6 states. [2018-11-18 08:56:35,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:56:35,495 INFO L93 Difference]: Finished difference Result 13535 states and 22072 transitions. [2018-11-18 08:56:35,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:56:35,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177 [2018-11-18 08:56:35,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:56:35,518 INFO L225 Difference]: With dead ends: 13535 [2018-11-18 08:56:35,518 INFO L226 Difference]: Without dead ends: 7721 [2018-11-18 08:56:35,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:56:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7721 states. [2018-11-18 08:56:35,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7721 to 7645. [2018-11-18 08:56:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7645 states. [2018-11-18 08:56:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7645 states to 7645 states and 11476 transitions. [2018-11-18 08:56:35,649 INFO L78 Accepts]: Start accepts. Automaton has 7645 states and 11476 transitions. Word has length 177 [2018-11-18 08:56:35,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:56:35,649 INFO L480 AbstractCegarLoop]: Abstraction has 7645 states and 11476 transitions. [2018-11-18 08:56:35,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:56:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7645 states and 11476 transitions. [2018-11-18 08:56:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 08:56:35,656 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:56:35,656 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:56:35,656 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:56:35,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:35,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1642365103, now seen corresponding path program 1 times [2018-11-18 08:56:35,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:56:35,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:35,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:56:35,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:56:35,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:56:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:56:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 108 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:56:35,830 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:56:35,830 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:56:35,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-18 08:56:35,832 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 08:56:35,863 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:56:35,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:56:36,125 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:56:36,126 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Performed 734 root evaluator evaluations with a maximum evaluation depth of 8. Performed 734 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 08:56:36,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:56:36,140 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:56:36,462 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 78.21% of their original sizes. [2018-11-18 08:56:36,462 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:56:36,492 INFO L415 sIntCurrentIteration]: We unified 226 AI predicates to 226 [2018-11-18 08:56:36,492 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:56:36,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:56:36,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 08:56:36,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:56:36,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:56:36,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:56:36,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:56:36,495 INFO L87 Difference]: Start difference. First operand 7645 states and 11476 transitions. Second operand 6 states. [2018-11-18 08:57:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:57:34,785 INFO L93 Difference]: Finished difference Result 15624 states and 23442 transitions. [2018-11-18 08:57:34,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:57:34,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-11-18 08:57:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:57:34,806 INFO L225 Difference]: With dead ends: 15624 [2018-11-18 08:57:34,807 INFO L226 Difference]: Without dead ends: 7985 [2018-11-18 08:57:34,818 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:57:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7985 states. [2018-11-18 08:57:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7985 to 7983. [2018-11-18 08:57:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7983 states. [2018-11-18 08:57:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7983 states to 7983 states and 11824 transitions. [2018-11-18 08:57:34,927 INFO L78 Accepts]: Start accepts. Automaton has 7983 states and 11824 transitions. Word has length 227 [2018-11-18 08:57:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:57:34,928 INFO L480 AbstractCegarLoop]: Abstraction has 7983 states and 11824 transitions. [2018-11-18 08:57:34,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:57:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7983 states and 11824 transitions. [2018-11-18 08:57:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 08:57:34,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:57:34,933 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:57:34,933 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:57:34,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:57:34,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1867363835, now seen corresponding path program 1 times [2018-11-18 08:57:34,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:57:34,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:57:34,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:57:34,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:57:34,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:57:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:57:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 109 proven. 14 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 08:57:35,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:57:35,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:57:35,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-18 08:57:35,055 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 08:57:35,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:57:35,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:57:35,189 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:57:35,189 INFO L272 AbstractInterpreter]: Visited 100 different actions 287 times. Merged at 5 different actions 9 times. Never widened. Performed 2587 root evaluator evaluations with a maximum evaluation depth of 8. Performed 2587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 08:57:35,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:57:35,197 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:57:35,354 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 80.88% of their original sizes. [2018-11-18 08:57:35,354 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:57:35,407 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-18 08:57:35,408 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:57:35,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:57:35,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 08:57:35,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:57:35,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:57:35,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:57:35,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:57:35,409 INFO L87 Difference]: Start difference. First operand 7983 states and 11824 transitions. Second operand 10 states. [2018-11-18 08:58:59,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:58:59,419 INFO L93 Difference]: Finished difference Result 20145 states and 31423 transitions. [2018-11-18 08:58:59,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 08:58:59,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 237 [2018-11-18 08:58:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:58:59,472 INFO L225 Difference]: With dead ends: 20145 [2018-11-18 08:58:59,472 INFO L226 Difference]: Without dead ends: 12476 [2018-11-18 08:58:59,521 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 08:58:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12476 states. [2018-11-18 08:58:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12476 to 12394. [2018-11-18 08:58:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12394 states. [2018-11-18 08:58:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12394 states to 12394 states and 16783 transitions. [2018-11-18 08:58:59,790 INFO L78 Accepts]: Start accepts. Automaton has 12394 states and 16783 transitions. Word has length 237 [2018-11-18 08:58:59,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:58:59,791 INFO L480 AbstractCegarLoop]: Abstraction has 12394 states and 16783 transitions. [2018-11-18 08:58:59,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 08:58:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 12394 states and 16783 transitions. [2018-11-18 08:58:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2018-11-18 08:58:59,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:58:59,809 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:58:59,809 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:58:59,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:58:59,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1413290166, now seen corresponding path program 1 times [2018-11-18 08:58:59,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:58:59,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:58:59,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:58:59,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:58:59,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:58:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 247 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 08:59:00,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:59:00,229 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:59:00,229 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 468 with the following transitions: [2018-11-18 08:59:00,230 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 08:59:00,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:59:00,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:59:00,476 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:59:00,477 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5205 root evaluator evaluations with a maximum evaluation depth of 8. Performed 5205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 08:59:00,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:00,489 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:59:00,813 INFO L227 lantSequenceWeakener]: Weakened 464 states. On average, predicates are now at 77.77% of their original sizes. [2018-11-18 08:59:00,813 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:59:00,861 INFO L415 sIntCurrentIteration]: We unified 466 AI predicates to 466 [2018-11-18 08:59:00,861 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:59:00,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:59:00,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 08:59:00,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:59:00,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 08:59:00,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 08:59:00,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:59:00,863 INFO L87 Difference]: Start difference. First operand 12394 states and 16783 transitions. Second operand 10 states. [2018-11-18 09:00:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:04,593 INFO L93 Difference]: Finished difference Result 24787 states and 33720 transitions. [2018-11-18 09:00:04,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:00:04,594 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 467 [2018-11-18 09:00:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:04,627 INFO L225 Difference]: With dead ends: 24787 [2018-11-18 09:00:04,627 INFO L226 Difference]: Without dead ends: 12737 [2018-11-18 09:00:04,650 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 474 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:00:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12737 states. [2018-11-18 09:00:04,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12737 to 12734. [2018-11-18 09:00:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12734 states. [2018-11-18 09:00:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12734 states to 12734 states and 17140 transitions. [2018-11-18 09:00:04,856 INFO L78 Accepts]: Start accepts. Automaton has 12734 states and 17140 transitions. Word has length 467 [2018-11-18 09:00:04,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:04,856 INFO L480 AbstractCegarLoop]: Abstraction has 12734 states and 17140 transitions. [2018-11-18 09:00:04,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:00:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12734 states and 17140 transitions. [2018-11-18 09:00:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-11-18 09:00:04,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:04,881 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:04,881 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:04,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1175617613, now seen corresponding path program 1 times [2018-11-18 09:00:04,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:04,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:04,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:04,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:04,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 316 proven. 162 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-11-18 09:00:05,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:05,735 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:05,736 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-11-18 09:00:05,736 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:05,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:05,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:06,182 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:06,183 INFO L272 AbstractInterpreter]: Visited 251 different actions 999 times. Merged at 7 different actions 31 times. Never widened. Performed 11823 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 09:00:06,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:06,184 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:06,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:06,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:06,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:06,202 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:06,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 528 proven. 2 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 09:00:06,547 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 316 proven. 162 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-11-18 09:00:06,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:06,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 09:00:06,902 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:06,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:00:06,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:00:06,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:00:06,903 INFO L87 Difference]: Start difference. First operand 12734 states and 17140 transitions. Second operand 16 states. [2018-11-18 09:00:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:13,011 INFO L93 Difference]: Finished difference Result 28774 states and 40301 transitions. [2018-11-18 09:00:13,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 09:00:13,012 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 559 [2018-11-18 09:00:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:13,051 INFO L225 Difference]: With dead ends: 28774 [2018-11-18 09:00:13,051 INFO L226 Difference]: Without dead ends: 13348 [2018-11-18 09:00:13,087 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1201 GetRequests, 1145 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 09:00:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13348 states. [2018-11-18 09:00:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13348 to 12766. [2018-11-18 09:00:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12766 states. [2018-11-18 09:00:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12766 states to 12766 states and 14925 transitions. [2018-11-18 09:00:13,301 INFO L78 Accepts]: Start accepts. Automaton has 12766 states and 14925 transitions. Word has length 559 [2018-11-18 09:00:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:13,301 INFO L480 AbstractCegarLoop]: Abstraction has 12766 states and 14925 transitions. [2018-11-18 09:00:13,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:00:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12766 states and 14925 transitions. [2018-11-18 09:00:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2018-11-18 09:00:13,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:13,327 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:13,327 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:13,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2108473842, now seen corresponding path program 1 times [2018-11-18 09:00:13,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:13,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:13,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:13,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:13,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 460 proven. 307 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 09:00:14,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:14,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:14,202 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 657 with the following transitions: [2018-11-18 09:00:14,202 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:14,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:14,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:14,687 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:14,688 INFO L272 AbstractInterpreter]: Visited 259 different actions 1285 times. Merged at 9 different actions 37 times. Never widened. Performed 15633 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15633 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 09:00:14,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:14,689 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:14,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:14,689 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:14,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:14,695 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:14,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-11-18 09:00:14,926 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-11-18 09:00:15,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:15,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 09:00:15,140 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:15,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 09:00:15,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 09:00:15,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:00:15,141 INFO L87 Difference]: Start difference. First operand 12766 states and 14925 transitions. Second operand 15 states. [2018-11-18 09:00:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:20,584 INFO L93 Difference]: Finished difference Result 37419 states and 45981 transitions. [2018-11-18 09:00:20,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 09:00:20,585 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 656 [2018-11-18 09:00:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:20,638 INFO L225 Difference]: With dead ends: 37419 [2018-11-18 09:00:20,638 INFO L226 Difference]: Without dead ends: 25337 [2018-11-18 09:00:20,687 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1410 GetRequests, 1348 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=741, Invalid=3041, Unknown=0, NotChecked=0, Total=3782 [2018-11-18 09:00:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25337 states. [2018-11-18 09:00:21,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25337 to 24555. [2018-11-18 09:00:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24555 states. [2018-11-18 09:00:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24555 states to 24555 states and 27917 transitions. [2018-11-18 09:00:21,537 INFO L78 Accepts]: Start accepts. Automaton has 24555 states and 27917 transitions. Word has length 656 [2018-11-18 09:00:21,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:21,537 INFO L480 AbstractCegarLoop]: Abstraction has 24555 states and 27917 transitions. [2018-11-18 09:00:21,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 09:00:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24555 states and 27917 transitions. [2018-11-18 09:00:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2018-11-18 09:00:21,555 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:21,555 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-18 09:00:21,556 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:21,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:21,556 INFO L82 PathProgramCache]: Analyzing trace with hash 538811684, now seen corresponding path program 1 times [2018-11-18 09:00:21,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:21,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:21,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:21,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:21,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 452 proven. 516 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2018-11-18 09:00:22,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:22,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:22,027 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 822 with the following transitions: [2018-11-18 09:00:22,028 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [720], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:22,031 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:22,031 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:22,321 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:22,322 INFO L272 AbstractInterpreter]: Visited 252 different actions 757 times. Merged at 8 different actions 25 times. Never widened. Performed 8480 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8480 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 09:00:22,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:22,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:22,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:22,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:22,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:22,333 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:22,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 799 proven. 2 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2018-11-18 09:00:22,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 535 proven. 81 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2018-11-18 09:00:22,911 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:22,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-18 09:00:22,912 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:22,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:00:22,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:00:22,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:00:22,913 INFO L87 Difference]: Start difference. First operand 24555 states and 27917 transitions. Second operand 11 states. [2018-11-18 09:00:25,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:25,843 INFO L93 Difference]: Finished difference Result 50870 states and 58611 transitions. [2018-11-18 09:00:25,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 09:00:25,844 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 821 [2018-11-18 09:00:25,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:25,886 INFO L225 Difference]: With dead ends: 50870 [2018-11-18 09:00:25,886 INFO L226 Difference]: Without dead ends: 27042 [2018-11-18 09:00:25,922 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1680 GetRequests, 1650 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2018-11-18 09:00:25,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27042 states. [2018-11-18 09:00:26,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27042 to 25307. [2018-11-18 09:00:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25307 states. [2018-11-18 09:00:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25307 states to 25307 states and 27522 transitions. [2018-11-18 09:00:26,199 INFO L78 Accepts]: Start accepts. Automaton has 25307 states and 27522 transitions. Word has length 821 [2018-11-18 09:00:26,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:26,200 INFO L480 AbstractCegarLoop]: Abstraction has 25307 states and 27522 transitions. [2018-11-18 09:00:26,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:00:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 25307 states and 27522 transitions. [2018-11-18 09:00:26,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2018-11-18 09:00:26,211 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:26,211 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:00:26,211 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:26,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:26,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1918095604, now seen corresponding path program 1 times [2018-11-18 09:00:26,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:26,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:26,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:26,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:26,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2018-11-18 09:00:26,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:26,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:26,641 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 842 with the following transitions: [2018-11-18 09:00:26,642 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:26,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:26,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:27,092 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:27,092 INFO L272 AbstractInterpreter]: Visited 252 different actions 1015 times. Merged at 10 different actions 42 times. Never widened. Performed 11836 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11836 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 09:00:27,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:27,094 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:27,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:27,094 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:27,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:27,102 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:27,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2018-11-18 09:00:27,416 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 695 proven. 2 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2018-11-18 09:00:27,785 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:27,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 09:00:27,785 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:27,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:00:27,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:00:27,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:00:27,786 INFO L87 Difference]: Start difference. First operand 25307 states and 27522 transitions. Second operand 9 states. [2018-11-18 09:00:29,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:29,588 INFO L93 Difference]: Finished difference Result 52251 states and 57501 transitions. [2018-11-18 09:00:29,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:00:29,588 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 841 [2018-11-18 09:00:29,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:29,626 INFO L225 Difference]: With dead ends: 52251 [2018-11-18 09:00:29,626 INFO L226 Difference]: Without dead ends: 28687 [2018-11-18 09:00:29,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1699 GetRequests, 1683 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:00:29,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28687 states. [2018-11-18 09:00:29,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28687 to 28581. [2018-11-18 09:00:29,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28581 states. [2018-11-18 09:00:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28581 states to 28581 states and 30966 transitions. [2018-11-18 09:00:29,896 INFO L78 Accepts]: Start accepts. Automaton has 28581 states and 30966 transitions. Word has length 841 [2018-11-18 09:00:29,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:29,897 INFO L480 AbstractCegarLoop]: Abstraction has 28581 states and 30966 transitions. [2018-11-18 09:00:29,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:00:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28581 states and 30966 transitions. [2018-11-18 09:00:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2018-11-18 09:00:29,906 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:29,906 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 09:00:29,906 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:29,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:29,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1303422577, now seen corresponding path program 1 times [2018-11-18 09:00:29,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:29,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:29,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:29,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:29,907 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 274 proven. 543 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-18 09:00:30,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:30,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:30,382 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 843 with the following transitions: [2018-11-18 09:00:30,382 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:30,385 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:30,385 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:30,796 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:30,796 INFO L272 AbstractInterpreter]: Visited 252 different actions 1012 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 11799 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11799 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 09:00:30,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:30,798 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:30,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:30,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:30,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:30,805 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:30,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 09:00:31,168 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 09:00:31,403 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:00:31,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 09:00:31,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:00:31,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:00:31,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:00:31,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:00:31,404 INFO L87 Difference]: Start difference. First operand 28581 states and 30966 transitions. Second operand 3 states. [2018-11-18 09:00:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:32,165 INFO L93 Difference]: Finished difference Result 58554 states and 63984 transitions. [2018-11-18 09:00:32,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:00:32,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 842 [2018-11-18 09:00:32,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:32,206 INFO L225 Difference]: With dead ends: 58554 [2018-11-18 09:00:32,206 INFO L226 Difference]: Without dead ends: 31716 [2018-11-18 09:00:32,241 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1694 GetRequests, 1684 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:00:32,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31716 states. [2018-11-18 09:00:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31716 to 31392. [2018-11-18 09:00:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31392 states. [2018-11-18 09:00:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31392 states to 31392 states and 33774 transitions. [2018-11-18 09:00:32,490 INFO L78 Accepts]: Start accepts. Automaton has 31392 states and 33774 transitions. Word has length 842 [2018-11-18 09:00:32,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:32,491 INFO L480 AbstractCegarLoop]: Abstraction has 31392 states and 33774 transitions. [2018-11-18 09:00:32,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:00:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 31392 states and 33774 transitions. [2018-11-18 09:00:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-11-18 09:00:32,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:32,509 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:32,509 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:32,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:32,510 INFO L82 PathProgramCache]: Analyzing trace with hash -102961805, now seen corresponding path program 1 times [2018-11-18 09:00:32,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:32,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:32,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:32,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:32,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 219 proven. 6 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2018-11-18 09:00:33,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:33,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:33,061 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-11-18 09:00:33,061 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:33,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:33,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:33,700 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:33,701 INFO L272 AbstractInterpreter]: Visited 314 different actions 1247 times. Merged at 8 different actions 26 times. Never widened. Performed 14997 root evaluator evaluations with a maximum evaluation depth of 19. Performed 14997 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 7 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 09:00:33,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:33,705 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:33,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:33,705 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:33,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:33,713 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:33,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 848 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 09:00:34,136 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 848 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 09:00:34,597 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:34,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 09:00:34,597 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:34,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:00:34,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:00:34,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:00:34,598 INFO L87 Difference]: Start difference. First operand 31392 states and 33774 transitions. Second operand 9 states. [2018-11-18 09:00:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:36,568 INFO L93 Difference]: Finished difference Result 60825 states and 65642 transitions. [2018-11-18 09:00:36,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 09:00:36,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 995 [2018-11-18 09:00:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:36,616 INFO L225 Difference]: With dead ends: 60825 [2018-11-18 09:00:36,616 INFO L226 Difference]: Without dead ends: 25411 [2018-11-18 09:00:36,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2025 GetRequests, 1999 SyntacticMatches, 6 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2018-11-18 09:00:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25411 states. [2018-11-18 09:00:36,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25411 to 24024. [2018-11-18 09:00:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24024 states. [2018-11-18 09:00:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24024 states to 24024 states and 25003 transitions. [2018-11-18 09:00:36,904 INFO L78 Accepts]: Start accepts. Automaton has 24024 states and 25003 transitions. Word has length 995 [2018-11-18 09:00:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:36,905 INFO L480 AbstractCegarLoop]: Abstraction has 24024 states and 25003 transitions. [2018-11-18 09:00:36,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:00:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 24024 states and 25003 transitions. [2018-11-18 09:00:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2018-11-18 09:00:36,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:36,920 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:36,920 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:36,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:36,921 INFO L82 PathProgramCache]: Analyzing trace with hash 266072668, now seen corresponding path program 1 times [2018-11-18 09:00:36,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:36,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:36,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:36,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:36,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3542 backedges. 984 proven. 250 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2018-11-18 09:00:37,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:37,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:37,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1412 with the following transitions: [2018-11-18 09:00:37,681 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:37,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:37,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:38,535 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:38,535 INFO L272 AbstractInterpreter]: Visited 320 different actions 1274 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 15457 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15457 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 09:00:38,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:38,536 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:38,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:38,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:38,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:38,542 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:38,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3542 backedges. 2322 proven. 2 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2018-11-18 09:00:39,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3542 backedges. 984 proven. 250 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2018-11-18 09:00:39,860 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:39,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 09:00:39,861 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:39,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:00:39,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:00:39,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:00:39,862 INFO L87 Difference]: Start difference. First operand 24024 states and 25003 transitions. Second operand 10 states. [2018-11-18 09:00:41,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:41,858 INFO L93 Difference]: Finished difference Result 47410 states and 49351 transitions. [2018-11-18 09:00:41,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:00:41,858 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1411 [2018-11-18 09:00:41,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:41,887 INFO L225 Difference]: With dead ends: 47410 [2018-11-18 09:00:41,887 INFO L226 Difference]: Without dead ends: 24453 [2018-11-18 09:00:41,907 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2853 GetRequests, 2829 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 09:00:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24453 states. [2018-11-18 09:00:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24453 to 24020. [2018-11-18 09:00:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24020 states. [2018-11-18 09:00:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24020 states to 24020 states and 24892 transitions. [2018-11-18 09:00:42,082 INFO L78 Accepts]: Start accepts. Automaton has 24020 states and 24892 transitions. Word has length 1411 [2018-11-18 09:00:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:42,083 INFO L480 AbstractCegarLoop]: Abstraction has 24020 states and 24892 transitions. [2018-11-18 09:00:42,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:00:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 24020 states and 24892 transitions. [2018-11-18 09:00:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1432 [2018-11-18 09:00:42,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:42,098 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:42,098 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:42,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:42,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1767451355, now seen corresponding path program 1 times [2018-11-18 09:00:42,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:42,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:42,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:42,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:42,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3184 backedges. 1398 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 09:00:42,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:42,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:42,974 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1432 with the following transitions: [2018-11-18 09:00:42,975 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:42,977 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:42,978 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:43,904 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:43,904 INFO L272 AbstractInterpreter]: Visited 319 different actions 1266 times. Merged at 10 different actions 34 times. Never widened. Performed 15376 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15376 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 09:00:43,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:43,906 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:43,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:43,906 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:43,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:43,913 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:44,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3184 backedges. 1398 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 09:00:44,722 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3184 backedges. 1398 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 09:00:45,505 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:45,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 09:00:45,506 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:45,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:00:45,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:00:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:00:45,507 INFO L87 Difference]: Start difference. First operand 24020 states and 24892 transitions. Second operand 9 states. [2018-11-18 09:00:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:47,926 INFO L93 Difference]: Finished difference Result 54740 states and 57112 transitions. [2018-11-18 09:00:47,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 09:00:47,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1431 [2018-11-18 09:00:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:47,955 INFO L225 Difference]: With dead ends: 54740 [2018-11-18 09:00:47,955 INFO L226 Difference]: Without dead ends: 23640 [2018-11-18 09:00:47,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2891 GetRequests, 2868 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 09:00:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23640 states. [2018-11-18 09:00:48,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23640 to 20257. [2018-11-18 09:00:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20257 states. [2018-11-18 09:00:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20257 states to 20257 states and 20890 transitions. [2018-11-18 09:00:48,145 INFO L78 Accepts]: Start accepts. Automaton has 20257 states and 20890 transitions. Word has length 1431 [2018-11-18 09:00:48,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:48,146 INFO L480 AbstractCegarLoop]: Abstraction has 20257 states and 20890 transitions. [2018-11-18 09:00:48,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:00:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 20257 states and 20890 transitions. [2018-11-18 09:00:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2018-11-18 09:00:48,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:48,162 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:48,163 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:48,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:48,163 INFO L82 PathProgramCache]: Analyzing trace with hash -963746376, now seen corresponding path program 1 times [2018-11-18 09:00:48,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:48,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:48,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:48,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:48,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5242 backedges. 1064 proven. 534 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2018-11-18 09:00:49,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:49,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:49,110 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1648 with the following transitions: [2018-11-18 09:00:49,111 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:49,114 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:49,114 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:49,881 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:49,881 INFO L272 AbstractInterpreter]: Visited 322 different actions 1284 times. Merged at 12 different actions 40 times. Never widened. Performed 15552 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15552 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 09:00:49,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:49,885 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:49,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:49,885 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:49,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:49,892 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:50,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5242 backedges. 3497 proven. 2 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2018-11-18 09:00:50,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5242 backedges. 1064 proven. 534 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2018-11-18 09:00:51,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:51,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 09:00:51,493 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:51,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:00:51,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:00:51,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:00:51,494 INFO L87 Difference]: Start difference. First operand 20257 states and 20890 transitions. Second operand 9 states. [2018-11-18 09:00:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:00:53,086 INFO L93 Difference]: Finished difference Result 40062 states and 41488 transitions. [2018-11-18 09:00:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 09:00:53,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1647 [2018-11-18 09:00:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:00:53,111 INFO L225 Difference]: With dead ends: 40062 [2018-11-18 09:00:53,111 INFO L226 Difference]: Without dead ends: 20872 [2018-11-18 09:00:53,128 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3317 GetRequests, 3298 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:00:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20872 states. [2018-11-18 09:00:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20872 to 20261. [2018-11-18 09:00:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20261 states. [2018-11-18 09:00:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20261 states to 20261 states and 20847 transitions. [2018-11-18 09:00:53,292 INFO L78 Accepts]: Start accepts. Automaton has 20261 states and 20847 transitions. Word has length 1647 [2018-11-18 09:00:53,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:00:53,293 INFO L480 AbstractCegarLoop]: Abstraction has 20261 states and 20847 transitions. [2018-11-18 09:00:53,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:00:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 20261 states and 20847 transitions. [2018-11-18 09:00:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1648 [2018-11-18 09:00:53,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:00:53,309 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:00:53,310 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:00:53,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:53,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1926002266, now seen corresponding path program 1 times [2018-11-18 09:00:53,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:00:53,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:53,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:53,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:00:53,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:00:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 1168 proven. 551 refuted. 0 times theorem prover too weak. 2709 trivial. 0 not checked. [2018-11-18 09:00:55,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:55,070 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:00:55,070 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1648 with the following transitions: [2018-11-18 09:00:55,070 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 09:00:55,073 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:00:55,073 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:00:56,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:00:56,115 INFO L272 AbstractInterpreter]: Visited 320 different actions 1278 times. Merged at 10 different actions 42 times. Widened at 1 different actions 1 times. Performed 15444 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15444 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 09:00:56,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:00:56,116 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:00:56,116 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:00:56,116 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:00:56,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:00:56,123 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:00:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:00:56,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:00:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 3103 proven. 2 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2018-11-18 09:00:57,188 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:00:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 1215 proven. 486 refuted. 0 times theorem prover too weak. 2727 trivial. 0 not checked. [2018-11-18 09:00:59,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:00:59,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 09:00:59,405 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:00:59,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 09:00:59,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 09:00:59,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:00:59,407 INFO L87 Difference]: Start difference. First operand 20261 states and 20847 transitions. Second operand 15 states. [2018-11-18 09:01:04,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:04,885 INFO L93 Difference]: Finished difference Result 39681 states and 40906 transitions. [2018-11-18 09:01:04,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 09:01:04,886 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1647 [2018-11-18 09:01:04,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:04,887 INFO L225 Difference]: With dead ends: 39681 [2018-11-18 09:01:04,887 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:01:04,919 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3356 GetRequests, 3313 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1344, Unknown=0, NotChecked=0, Total=1640 [2018-11-18 09:01:04,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:01:04,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:01:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:01:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:01:04,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1647 [2018-11-18 09:01:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:04,920 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:01:04,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 09:01:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:01:04,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:01:04,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:01:04,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:04,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:04,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,840 WARN L180 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 559 [2018-11-18 09:01:05,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:05,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:06,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:07,499 WARN L180 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 594 [2018-11-18 09:01:09,552 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 545 DAG size of output: 83 [2018-11-18 09:01:10,724 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 373 DAG size of output: 86 [2018-11-18 09:01:12,520 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 534 DAG size of output: 96 [2018-11-18 09:01:15,135 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 539 DAG size of output: 118 [2018-11-18 09:01:17,263 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 578 DAG size of output: 80 [2018-11-18 09:01:17,273 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:01:17,273 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 09:01:17,273 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:01:17,273 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,274 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,275 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= |old(~a16~0)| ~a16~0)) (.cse14 (= ~a18~0 |old(~a18~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse19 (< |old(~a12~0)| 7)) (.cse10 (= 7 |old(~a12~0)|))) (let ((.cse12 (< 7 |old(~a12~0)|)) (.cse3 (not (= 8 |old(~a16~0)|))) (.cse8 (< |old(~a16~0)| 12)) (.cse9 (= 12 |old(~a16~0)|)) (.cse11 (= 5 |old(~a12~0)|)) (.cse18 (< |old(~a15~0)| 4)) (.cse7 (= 4 |old(~a15~0)|)) (.cse22 (or .cse19 (or .cse10 (< 8 |old(~a16~0)|)))) (.cse5 (and (and (and .cse21 .cse14) .cse15) .cse16)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse6 (<= (+ |old(~a18~0)| 156) 0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse17 (not .cse10)) (.cse23 (not (= 11 |old(~a16~0)|))) (.cse0 (and .cse15 .cse13 .cse14 .cse16)) (.cse20 (not (= 8 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (< 0 (+ |old(~a18~0)| 87)) .cse6) (or .cse7 .cse8 .cse0 .cse1) (or .cse9 .cse10 .cse11 .cse0 .cse12) (or .cse3 (and (and .cse13 .cse14) .cse15 .cse16) .cse17 .cse18) (or .cse10 .cse7 .cse11 .cse0 .cse12) (or .cse0 (or .cse19 .cse7) .cse2) (or .cse3 .cse20 .cse0) (or .cse4 (not (= |old(~a12~0)| 5)) (= 0 |old(~a16~0)|) .cse0) (or (and .cse14 .cse21 .cse15 .cse16) .cse17 .cse2) (or .cse4 .cse17 .cse8 .cse6 .cse0) (or .cse9 (not .cse11) .cse18 .cse0) (or .cse7 .cse0 .cse20) (or .cse0 .cse22 .cse1) (or .cse0 .cse7 .cse22) (or .cse5 .cse1 (or .cse4 .cse23)) (or (and (and .cse13 (= 3 ~a15~0) .cse14) .cse16) .cse6 (or .cse4 .cse17 .cse23)) (or .cse0 (or .cse20 .cse2))))) [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,276 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,277 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse5 (= |old(~a16~0)| ~a16~0)) (.cse4 (= ~a18~0 |old(~a18~0)|))) (let ((.cse19 (= 7 |old(~a12~0)|)) (.cse18 (and .cse5 .cse4)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse23 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse10 (= 11 ~a16~0)) (.cse16 (and (and .cse6 .cse23 .cse4) .cse7)) (.cse2 (not (= 9 |old(~a16~0)|))) (.cse14 (< |old(~a12~0)| 7)) (.cse13 (< 8 |old(~a16~0)|)) (.cse25 (< |old(~a15~0)| 4)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse15 (= 4 |old(~a15~0)|)) (.cse20 (not (= 8 |old(~a16~0)|))) (.cse12 (and .cse18 .cse6 .cse7)) (.cse17 (not (= 8 |old(~a12~0)|))) (.cse24 (= |calculate_output_#in~input| 0)) (.cse9 (not (= 11 |old(~a16~0)|))) (.cse21 (+ |old(~a18~0)| 87)) (.cse22 (not (= calculate_output_~input 0))) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse0 (and .cse6 .cse23 .cse4 .cse7)) (.cse3 (not .cse19)) (.cse26 (< |old(~a16~0)| 12)) (.cse11 (<= (+ |old(~a18~0)| 156) 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 (and .cse4 .cse5 .cse6 .cse7)) (or (or .cse8 .cse3 .cse9) (and (and .cse6 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 79))) .cse10 .cse4) .cse7) .cse11) (or .cse12 .cse13 .cse1) (or .cse14 .cse15 .cse16 .cse2) (or (or .cse8 .cse9) (and (and .cse10 (= 3 ~a15~0) .cse4) .cse7) .cse1) (or .cse16 (or .cse17 .cse2)) (or .cse14 (and (and .cse18 .cse7) .cse6) .cse19 .cse15 .cse13) (or .cse20 .cse8 .cse3 (and (and (and .cse4 .cse6) .cse5) .cse7) (< 0 .cse21) .cse11) (or .cse8 (and .cse6 .cse22 .cse23 .cse4 .cse7) (not (= |old(~a12~0)| 5)) .cse24 (= 0 |old(~a16~0)|)) (or .cse0 (= 12 |old(~a16~0)|) .cse19 (< 7 |old(~a12~0)|) .cse25) (or .cse20 .cse3 .cse25 .cse12) (or .cse15 .cse0 .cse26 .cse1) (or .cse0 .cse19 .cse15 (= 5 |old(~a12~0)|) (< 8 |old(~a12~0)|)) (or .cse20 .cse12 .cse17) (or .cse24 (or .cse8 (not (= 6 |old(~a12~0)|)) .cse9) (not (= .cse21 0)) .cse22) (or .cse8 .cse0 .cse3 .cse26 .cse11))))) [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,278 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,279 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,280 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,281 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,282 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,283 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= 7 |old(~a12~0)|)) (.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (< |old(~a12~0)| 7)) (.cse5 (and .cse17 (= 3 ~a15~0) .cse18 .cse19)) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse7 (< 7 |old(~a12~0)|)) (.cse8 (< |old(~a15~0)| 4)) (.cse9 (not (= 8 |old(~a16~0)|))) (.cse14 (< 8 |old(~a16~0)|)) (.cse1 (not (= 9 |old(~a12~0)|))) (.cse13 (= 4 |old(~a15~0)|)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse10 (not .cse6)) (.cse15 (< |old(~a16~0)| 12)) (.cse11 (<= (+ |old(~a18~0)| 156) 0)) (.cse0 (and (= |old(~a15~0)| ~a15~0) .cse17 .cse18 .cse19)) (.cse16 (not (= 8 |old(~a12~0)|))) (.cse2 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse1 .cse5) (or (= 12 |old(~a16~0)|) .cse6 .cse0 .cse7 .cse8) (or .cse9 .cse3 .cse10 (< 0 (+ |old(~a18~0)| 87)) .cse11 .cse5) (or .cse12 .cse13 .cse0 .cse2) (or .cse12 .cse6 .cse13 .cse0 .cse14) (or .cse13 .cse15 .cse1 .cse0) (or .cse9 .cse0 .cse7 .cse8) (or .cse5 (or .cse3 .cse10 .cse4) .cse11) (or .cse6 .cse13 (= 5 |old(~a12~0)|) .cse0 .cse7) (or .cse0 (or .cse2 .cse7 .cse8)) (or .cse9 .cse0 .cse16) (or .cse3 (not (= |old(~a12~0)| 5)) (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0) .cse0) (or .cse0 .cse14 .cse1) (or .cse13 .cse0 .cse16) (or .cse3 .cse0 .cse10 .cse15 .cse11) (or .cse0 (or .cse16 .cse2))))) [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,284 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,285 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,286 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,287 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,288 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,289 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,290 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,291 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,292 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,293 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,294 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,295 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,296 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 09:01:17,297 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse10 (<= 4 ~a15~0)) (.cse11 (<= ~a12~0 7)) (.cse8 (= 11 ~a16~0)) (.cse6 (= 3 ~a15~0)) (.cse5 (= ~a12~0 9)) (.cse12 (not (= ~a12~0 7))) (.cse4 (<= 12 ~a16~0)) (.cse1 (= 7 ~a12~0)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse15 (= ~a15~0 3)) (.cse13 (= ~a12~0 5)) (.cse0 (= 9 ~a16~0)) (.cse14 (<= 7 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse2 (= 8 ~a12~0)) (.cse9 (= 8 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (and .cse4 .cse3) .cse5) (and .cse0 .cse2) (and (= ~a16~0 8) .cse6 .cse1 (<= (+ ~a18~0 87) 0) .cse7) (and (and .cse8 .cse6 .cse1) .cse7) (and .cse9 (and .cse10 .cse11)) (not (= 5 |old(~a12~0)|)) (and (and .cse12 .cse11) (not .cse13) .cse3) (and .cse10 (and (not (= ~a16~0 12)) .cse12) .cse11) (and (and .cse8 .cse6) .cse5) (and (<= ~a16~0 9) .cse5) (and .cse14 .cse3 .cse12 (<= ~a16~0 8)) (and .cse15 .cse4 .cse1 .cse7) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) .cse15 .cse13) (and .cse0 .cse14 .cse3) (and .cse2 .cse9))) [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 09:01:17,297 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse10 (<= 4 ~a15~0)) (.cse11 (<= ~a12~0 7)) (.cse8 (= 11 ~a16~0)) (.cse6 (= 3 ~a15~0)) (.cse5 (= ~a12~0 9)) (.cse13 (= ~a12~0 5)) (.cse12 (not (= ~a12~0 7))) (.cse14 (= ~a15~0 3)) (.cse4 (<= 12 ~a16~0)) (.cse1 (= 7 ~a12~0)) (.cse7 (< 0 (+ ~a18~0 156))) (.cse0 (= 9 ~a16~0)) (.cse15 (<= 7 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse2 (= 8 ~a12~0)) (.cse9 (= 8 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (and .cse4 .cse3) .cse5) (and .cse0 .cse2) (and (= ~a16~0 8) .cse6 (<= (+ ~a18~0 87) 0) .cse7) (and (and .cse8 .cse6 .cse1) .cse7) (and .cse9 (and .cse10 .cse11)) (not (= 5 |old(~a12~0)|)) (and (and .cse12 .cse11) (not .cse13) .cse3) (and .cse10 (and (not (= ~a16~0 12)) .cse12) .cse11) (and (and .cse8 .cse6) .cse5) (and (<= ~a16~0 9) .cse5) (and (not (= ~a16~0 0)) .cse14 .cse13) (and .cse15 .cse3 .cse12 (<= ~a16~0 8)) (and .cse14 .cse4 .cse1 .cse7) (and .cse0 .cse15 .cse3) (and .cse2 .cse9))) [2018-11-18 09:01:17,297 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 09:01:17,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:01:17 BoogieIcfgContainer [2018-11-18 09:01:17,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:01:17,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:01:17,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:01:17,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:01:17,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:56:26" (3/4) ... [2018-11-18 09:01:17,308 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:01:17,313 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:01:17,313 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 09:01:17,313 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:01:17,313 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:01:17,341 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 09:01:17,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:01:17,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(11 == \old(a16)) || (9 == a16 && 7 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (8 == a12 && !(a15 == 4))) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || (9 == a16 && 8 == a12)) || (((a16 == 8 && 3 == a15) && a18 + 87 <= 0) && 0 < a18 + 156)) || (((11 == a16 && 3 == a15) && 7 == a12) && 0 < a18 + 156)) || (8 == a16 && 4 <= a15 && a12 <= 7)) || !(5 == \old(a12))) || (((!(a12 == 7) && a12 <= 7) && !(a12 == 5)) && !(a15 == 4))) || ((4 <= a15 && !(a16 == 12) && !(a12 == 7)) && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (a16 <= 9 && a12 == 9)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || (((7 <= a12 && !(a15 == 4)) && !(a12 == 7)) && a16 <= 8)) || (((a15 == 3 && 12 <= a16) && 7 == a12) && 0 < a18 + 156)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || (8 == a12 && 8 == a16) [2018-11-18 09:01:17,534 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89ce0b76-a3a9-4d6a-a13f-b92d064133a8/bin-2019/utaipan/witness.graphml [2018-11-18 09:01:17,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:01:17,535 INFO L168 Benchmark]: Toolchain (without parser) took 293900.41 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 956.6 MB in the beginning and 1.7 GB in the end (delta: -751.5 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,536 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:17,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 876.0 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -258.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,536 INFO L168 Benchmark]: Boogie Preprocessor took 87.61 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,537 INFO L168 Benchmark]: RCFGBuilder took 1852.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 877.5 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,537 INFO L168 Benchmark]: TraceAbstraction took 290950.69 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 877.5 MB in the beginning and 1.8 GB in the end (delta: -907.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,537 INFO L168 Benchmark]: Witness Printer took 230.11 ms. Allocated memory is still 5.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:17,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 677.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 876.0 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 876.0 MB in the beginning and 1.1 GB in the end (delta: -258.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.61 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1852.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 877.5 MB in the end (delta: 248.0 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290950.69 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 877.5 MB in the beginning and 1.8 GB in the end (delta: -907.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 230.11 ms. Allocated memory is still 5.3 GB. Free memory was 1.8 GB in the beginning and 1.7 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(11 == \old(a16)) || (9 == a16 && 7 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (8 == a12 && !(a15 == 4))) || ((12 <= a16 && !(a15 == 4)) && a12 == 9)) || (9 == a16 && 8 == a12)) || (((a16 == 8 && 3 == a15) && a18 + 87 <= 0) && 0 < a18 + 156)) || (((11 == a16 && 3 == a15) && 7 == a12) && 0 < a18 + 156)) || (8 == a16 && 4 <= a15 && a12 <= 7)) || !(5 == \old(a12))) || (((!(a12 == 7) && a12 <= 7) && !(a12 == 5)) && !(a15 == 4))) || ((4 <= a15 && !(a16 == 12) && !(a12 == 7)) && a12 <= 7)) || ((11 == a16 && 3 == a15) && a12 == 9)) || (a16 <= 9 && a12 == 9)) || ((!(a16 == 0) && a15 == 3) && a12 == 5)) || (((7 <= a12 && !(a15 == 4)) && !(a12 == 7)) && a16 <= 8)) || (((a15 == 3 && 12 <= a16) && 7 == a12) && 0 < a18 + 156)) || ((9 == a16 && 7 <= a12) && !(a15 == 4))) || (8 == a12 && 8 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 290.8s OverallTime, 17 OverallIterations, 10 TraceHistogramMax, 245.6s AutomataDifference, 0.0s DeadEndRemovalTime, 12.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3193 SDtfs, 41990 SDslu, 4699 SDs, 0 SdLazy, 82243 SolverSat, 10627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 216.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 23109 GetRequests, 22734 SyntacticMatches, 34 SemanticMatches, 341 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2985 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31392occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.0s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9974810393632647 AbsIntWeakeningRatio, 0.09051724137931035 AbsIntAvgWeakeningVarsNumRemoved, 16.216594827586206 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 9631 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2295 PreInvPairs, 3188 NumberOfFragments, 1903 HoareAnnotationTreeSize, 2295 FomulaSimplifications, 203498 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 177119 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 23147 NumberOfCodeBlocks, 23147 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 33960 ConstructedInterpolants, 0 QuantifiedInterpolants, 95056984 SizeOfPredicates, 5 NumberOfNonLiveVariables, 14229 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 37 InterpolantComputations, 6 PerfectInterpolantSequences, 66861/71445 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...