./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 7255ef06444f99ab088c00bc61034eb7aed45c3b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:59:28,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:59:28,546 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:59:28,554 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:59:28,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:59:28,555 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:59:28,556 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:59:28,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:59:28,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:59:28,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:59:28,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:59:28,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:59:28,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:59:28,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:59:28,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:59:28,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:59:28,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:59:28,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:59:28,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:59:28,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:59:28,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:59:28,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:59:28,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:59:28,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:59:28,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:59:28,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:59:28,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:59:28,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:59:28,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:59:28,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:59:28,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:59:28,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:59:28,578 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:59:28,578 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:59:28,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:59:28,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:59:28,580 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:59:28,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:59:28,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:59:28,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:59:28,593 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:59:28,593 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:59:28,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:59:28,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:59:28,595 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:59:28,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:59:28,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:59:28,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:59:28,596 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:59:28,597 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:59:28,597 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:59:28,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:59:28,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:59:28,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:59:28,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:59:28,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:59:28,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:59:28,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:59:28,599 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_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 -> 7255ef06444f99ab088c00bc61034eb7aed45c3b [2018-11-23 11:59:28,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:59:28,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:59:28,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:59:28,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:59:28,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:59:28,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-11-23 11:59:28,685 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/data/f29f9ef13/1ee96b0761b34cea993417f97affaeae/FLAGc475ea0c7 [2018-11-23 11:59:29,134 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:59:29,134 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-11-23 11:59:29,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/data/f29f9ef13/1ee96b0761b34cea993417f97affaeae/FLAGc475ea0c7 [2018-11-23 11:59:29,661 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/data/f29f9ef13/1ee96b0761b34cea993417f97affaeae [2018-11-23 11:59:29,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:59:29,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:59:29,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:59:29,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:59:29,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:59:29,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:29" (1/1) ... [2018-11-23 11:59:29,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4fa66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:29, skipping insertion in model container [2018-11-23 11:59:29,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:59:29" (1/1) ... [2018-11-23 11:59:29,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:59:29,740 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:59:30,124 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:59:30,128 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:59:30,335 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:59:30,351 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:59:30,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30 WrapperNode [2018-11-23 11:59:30,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:59:30,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:59:30,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:59:30,352 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:59:30,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:59:30,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:59:30,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:59:30,389 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:59:30,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... [2018-11-23 11:59:30,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:59:30,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:59:30,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:59:30,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:59:30,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:59:30,517 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:59:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:59:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:59:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:59:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:59:30,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:59:30,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:59:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:59:30,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:59:31,918 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:59:31,918 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:59:31,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:31 BoogieIcfgContainer [2018-11-23 11:59:31,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:59:31,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:59:31,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:59:31,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:59:31,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:59:29" (1/3) ... [2018-11-23 11:59:31,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3b0fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:31, skipping insertion in model container [2018-11-23 11:59:31,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:59:30" (2/3) ... [2018-11-23 11:59:31,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3b0fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:59:31, skipping insertion in model container [2018-11-23 11:59:31,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:31" (3/3) ... [2018-11-23 11:59:31,927 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label06_true-unreach-call.c [2018-11-23 11:59:31,935 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:59:31,942 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:59:31,955 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:59:31,984 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:59:31,985 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:59:31,985 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:59:31,985 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:59:31,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:59:31,985 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:59:31,986 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:59:31,986 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:59:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-11-23 11:59:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 11:59:32,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:59:32,020 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:59:32,022 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:59:32,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:32,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1780384174, now seen corresponding path program 1 times [2018-11-23 11:59:32,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:59:32,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:32,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:59:32,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:32,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:59:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:59:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:59:32,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:59:32,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:59:32,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:59:32,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:59:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:59:32,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:59:32,382 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-11-23 11:59:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:59:33,402 INFO L93 Difference]: Finished difference Result 779 states and 1369 transitions. [2018-11-23 11:59:33,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:59:33,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-23 11:59:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:59:33,416 INFO L225 Difference]: With dead ends: 779 [2018-11-23 11:59:33,416 INFO L226 Difference]: Without dead ends: 485 [2018-11-23 11:59:33,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:59:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-23 11:59:33,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 480. [2018-11-23 11:59:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-11-23 11:59:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 841 transitions. [2018-11-23 11:59:33,475 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 841 transitions. Word has length 69 [2018-11-23 11:59:33,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:59:33,476 INFO L480 AbstractCegarLoop]: Abstraction has 480 states and 841 transitions. [2018-11-23 11:59:33,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:59:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 841 transitions. [2018-11-23 11:59:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 11:59:33,481 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:59:33,482 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 11:59:33,482 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:59:33,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:33,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1517741782, now seen corresponding path program 1 times [2018-11-23 11:59:33,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:59:33,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:33,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:59:33,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:33,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:59:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:59:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:59:33,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:59:33,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:59:33,827 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:59:33,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:59:33,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:59:33,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:59:33,829 INFO L87 Difference]: Start difference. First operand 480 states and 841 transitions. Second operand 7 states. [2018-11-23 11:59:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:59:36,197 INFO L93 Difference]: Finished difference Result 1751 states and 3230 transitions. [2018-11-23 11:59:36,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 11:59:36,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2018-11-23 11:59:36,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:59:36,209 INFO L225 Difference]: With dead ends: 1751 [2018-11-23 11:59:36,209 INFO L226 Difference]: Without dead ends: 1277 [2018-11-23 11:59:36,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:59:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-11-23 11:59:36,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1034. [2018-11-23 11:59:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-23 11:59:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1682 transitions. [2018-11-23 11:59:36,268 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1682 transitions. Word has length 143 [2018-11-23 11:59:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:59:36,268 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1682 transitions. [2018-11-23 11:59:36,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:59:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1682 transitions. [2018-11-23 11:59:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 11:59:36,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:59:36,275 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:59:36,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:59:36,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:36,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1457769866, now seen corresponding path program 1 times [2018-11-23 11:59:36,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:59:36,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:36,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:59:36,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:36,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:59:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:59:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 124 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:59:36,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:59:36,460 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:59:36,461 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-11-23 11:59:36,463 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 11:59:36,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:59:36,503 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:59:36,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:59:36,935 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Performed 845 root evaluator evaluations with a maximum evaluation depth of 14. Performed 845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-23 11:59:36,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:36,953 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:59:37,470 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 73.9% of their original sizes. [2018-11-23 11:59:37,470 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:59:37,516 INFO L415 sIntCurrentIteration]: We unified 214 AI predicates to 214 [2018-11-23 11:59:37,516 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:59:37,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:59:37,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 11:59:37,518 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:59:37,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:59:37,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:59:37,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:59:37,519 INFO L87 Difference]: Start difference. First operand 1034 states and 1682 transitions. Second operand 6 states. [2018-11-23 11:59:49,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:59:49,578 INFO L93 Difference]: Finished difference Result 2252 states and 3566 transitions. [2018-11-23 11:59:49,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:59:49,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2018-11-23 11:59:49,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:59:49,582 INFO L225 Difference]: With dead ends: 2252 [2018-11-23 11:59:49,583 INFO L226 Difference]: Without dead ends: 1224 [2018-11-23 11:59:49,584 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:59:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2018-11-23 11:59:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1223. [2018-11-23 11:59:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-11-23 11:59:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1879 transitions. [2018-11-23 11:59:49,611 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1879 transitions. Word has length 215 [2018-11-23 11:59:49,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:59:49,611 INFO L480 AbstractCegarLoop]: Abstraction has 1223 states and 1879 transitions. [2018-11-23 11:59:49,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:59:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1879 transitions. [2018-11-23 11:59:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-23 11:59:49,615 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:59:49,615 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:59:49,616 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:59:49,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:49,616 INFO L82 PathProgramCache]: Analyzing trace with hash 156853724, now seen corresponding path program 1 times [2018-11-23 11:59:49,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:59:49,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:49,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:59:49,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:59:49,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:59:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:59:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 11:59:49,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:59:49,837 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:59:49,837 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-11-23 11:59:49,837 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 11:59:49,842 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:59:49,842 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:59:50,492 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:59:50,492 INFO L272 AbstractInterpreter]: Visited 125 different actions 366 times. Merged at 6 different actions 13 times. Never widened. Performed 4863 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-23 11:59:50,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:59:50,502 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:59:50,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:59:50,502 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:59:50,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:59:50,521 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:59:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:59:50,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:00:02,863 WARN L180 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-11-23 12:00:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 12:00:02,997 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:00:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 12:00:03,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:00:03,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-23 12:00:03,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:00:03,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:00:03,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:00:03,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-11-23 12:00:03,183 INFO L87 Difference]: Start difference. First operand 1223 states and 1879 transitions. Second operand 3 states. [2018-11-23 12:00:04,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:00:04,565 INFO L93 Difference]: Finished difference Result 2957 states and 4876 transitions. [2018-11-23 12:00:04,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:00:04,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2018-11-23 12:00:04,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:00:04,576 INFO L225 Difference]: With dead ends: 2957 [2018-11-23 12:00:04,576 INFO L226 Difference]: Without dead ends: 1929 [2018-11-23 12:00:04,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 517 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-11-23 12:00:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2018-11-23 12:00:04,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1929. [2018-11-23 12:00:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1929 states. [2018-11-23 12:00:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2916 transitions. [2018-11-23 12:00:04,630 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2916 transitions. Word has length 259 [2018-11-23 12:00:04,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:00:04,631 INFO L480 AbstractCegarLoop]: Abstraction has 1929 states and 2916 transitions. [2018-11-23 12:00:04,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:00:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2916 transitions. [2018-11-23 12:00:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 12:00:04,637 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:00:04,638 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:00:04,638 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:00:04,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:04,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1021288321, now seen corresponding path program 1 times [2018-11-23 12:00:04,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:00:04,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:04,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:00:04,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:04,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:00:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:00:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 12:00:04,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:00:04,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:00:04,821 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:00:04,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:00:04,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:00:04,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:00:04,822 INFO L87 Difference]: Start difference. First operand 1929 states and 2916 transitions. Second operand 3 states. [2018-11-23 12:00:05,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:00:05,817 INFO L93 Difference]: Finished difference Result 4910 states and 7768 transitions. [2018-11-23 12:00:05,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:00:05,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2018-11-23 12:00:05,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:00:05,833 INFO L225 Difference]: With dead ends: 4910 [2018-11-23 12:00:05,833 INFO L226 Difference]: Without dead ends: 3176 [2018-11-23 12:00:05,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:00:05,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2018-11-23 12:00:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3171. [2018-11-23 12:00:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3171 states. [2018-11-23 12:00:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 3171 states and 4488 transitions. [2018-11-23 12:00:05,921 INFO L78 Accepts]: Start accepts. Automaton has 3171 states and 4488 transitions. Word has length 285 [2018-11-23 12:00:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:00:05,922 INFO L480 AbstractCegarLoop]: Abstraction has 3171 states and 4488 transitions. [2018-11-23 12:00:05,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:00:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3171 states and 4488 transitions. [2018-11-23 12:00:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 12:00:05,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:00:05,931 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:00:05,931 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:00:05,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:05,932 INFO L82 PathProgramCache]: Analyzing trace with hash 2109616658, now seen corresponding path program 1 times [2018-11-23 12:00:05,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:00:05,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:05,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:00:05,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:05,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:00:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:00:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-23 12:00:06,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:00:06,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:00:06,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-11-23 12:00:06,147 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:00:06,150 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:00:06,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:00:06,493 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:00:06,493 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3111 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-23 12:00:06,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:06,502 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:00:06,967 INFO L227 lantSequenceWeakener]: Weakened 282 states. On average, predicates are now at 75.65% of their original sizes. [2018-11-23 12:00:06,967 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:00:07,035 INFO L415 sIntCurrentIteration]: We unified 286 AI predicates to 286 [2018-11-23 12:00:07,036 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:00:07,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:00:07,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 12:00:07,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:00:07,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:00:07,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:00:07,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:00:07,038 INFO L87 Difference]: Start difference. First operand 3171 states and 4488 transitions. Second operand 10 states. [2018-11-23 12:00:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:00:50,436 INFO L93 Difference]: Finished difference Result 6536 states and 9405 transitions. [2018-11-23 12:00:50,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 12:00:50,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 287 [2018-11-23 12:00:50,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:00:50,444 INFO L225 Difference]: With dead ends: 6536 [2018-11-23 12:00:50,444 INFO L226 Difference]: Without dead ends: 3560 [2018-11-23 12:00:50,449 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:00:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2018-11-23 12:00:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3554. [2018-11-23 12:00:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3554 states. [2018-11-23 12:00:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3554 states to 3554 states and 4957 transitions. [2018-11-23 12:00:50,493 INFO L78 Accepts]: Start accepts. Automaton has 3554 states and 4957 transitions. Word has length 287 [2018-11-23 12:00:50,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:00:50,494 INFO L480 AbstractCegarLoop]: Abstraction has 3554 states and 4957 transitions. [2018-11-23 12:00:50,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:00:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 4957 transitions. [2018-11-23 12:00:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-23 12:00:50,499 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:00:50,499 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:00:50,500 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:00:50,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:50,500 INFO L82 PathProgramCache]: Analyzing trace with hash 157251694, now seen corresponding path program 1 times [2018-11-23 12:00:50,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:00:50,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:50,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:00:50,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:50,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:00:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:00:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 128 proven. 83 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:00:50,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:00:50,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:00:50,662 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-11-23 12:00:50,663 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:00:50,666 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:00:50,666 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:00:50,842 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:00:50,842 INFO L272 AbstractInterpreter]: Visited 140 different actions 415 times. Merged at 6 different actions 17 times. Never widened. Performed 5844 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-23 12:00:50,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:50,848 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:00:50,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:00:50,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:00:50,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:00:50,860 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:00:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:00:50,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:00:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:00:51,002 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:00:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:00:51,216 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:00:51,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-23 12:00:51,217 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:00:51,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 12:00:51,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 12:00:51,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:00:51,218 INFO L87 Difference]: Start difference. First operand 3554 states and 4957 transitions. Second operand 11 states. [2018-11-23 12:00:59,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:00:59,064 INFO L93 Difference]: Finished difference Result 19362 states and 31739 transitions. [2018-11-23 12:00:59,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-11-23 12:00:59,065 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 290 [2018-11-23 12:00:59,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:00:59,124 INFO L225 Difference]: With dead ends: 19362 [2018-11-23 12:00:59,125 INFO L226 Difference]: Without dead ends: 16002 [2018-11-23 12:00:59,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 605 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=894, Invalid=3798, Unknown=0, NotChecked=0, Total=4692 [2018-11-23 12:00:59,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16002 states. [2018-11-23 12:00:59,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16002 to 15341. [2018-11-23 12:00:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15341 states. [2018-11-23 12:00:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15341 states to 15341 states and 22708 transitions. [2018-11-23 12:00:59,432 INFO L78 Accepts]: Start accepts. Automaton has 15341 states and 22708 transitions. Word has length 290 [2018-11-23 12:00:59,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:00:59,432 INFO L480 AbstractCegarLoop]: Abstraction has 15341 states and 22708 transitions. [2018-11-23 12:00:59,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 12:00:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 15341 states and 22708 transitions. [2018-11-23 12:00:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-23 12:00:59,469 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:00:59,470 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:00:59,470 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:00:59,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash 994096360, now seen corresponding path program 1 times [2018-11-23 12:00:59,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:00:59,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:59,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:00:59,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:00:59,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:00:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:00:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 12:00:59,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:00:59,610 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:00:59,610 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 370 with the following transitions: [2018-11-23 12:00:59,610 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:00:59,613 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:00:59,613 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:00:59,871 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:00:59,871 INFO L272 AbstractInterpreter]: Visited 125 different actions 372 times. Merged at 6 different actions 17 times. Never widened. Performed 4965 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4965 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-23 12:00:59,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:00:59,873 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:01:00,125 INFO L227 lantSequenceWeakener]: Weakened 366 states. On average, predicates are now at 77.82% of their original sizes. [2018-11-23 12:01:00,125 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:01:00,157 INFO L415 sIntCurrentIteration]: We unified 368 AI predicates to 368 [2018-11-23 12:01:00,157 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:01:00,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:01:00,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 12:01:00,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:01:00,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:01:00,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:01:00,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:01:00,158 INFO L87 Difference]: Start difference. First operand 15341 states and 22708 transitions. Second operand 9 states. [2018-11-23 12:01:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:01:36,925 INFO L93 Difference]: Finished difference Result 43807 states and 68055 transitions. [2018-11-23 12:01:36,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:01:36,925 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 369 [2018-11-23 12:01:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:01:37,028 INFO L225 Difference]: With dead ends: 43807 [2018-11-23 12:01:37,028 INFO L226 Difference]: Without dead ends: 29423 [2018-11-23 12:01:37,104 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 375 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:01:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29423 states. [2018-11-23 12:01:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29423 to 29327. [2018-11-23 12:01:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29327 states. [2018-11-23 12:01:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29327 states to 29327 states and 39890 transitions. [2018-11-23 12:01:37,586 INFO L78 Accepts]: Start accepts. Automaton has 29327 states and 39890 transitions. Word has length 369 [2018-11-23 12:01:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:01:37,586 INFO L480 AbstractCegarLoop]: Abstraction has 29327 states and 39890 transitions. [2018-11-23 12:01:37,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:01:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29327 states and 39890 transitions. [2018-11-23 12:01:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-11-23 12:01:37,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:01:37,634 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:01:37,634 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:01:37,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:01:37,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1808661004, now seen corresponding path program 1 times [2018-11-23 12:01:37,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:01:37,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:01:37,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:01:37,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:01:37,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:01:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:01:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:01:37,799 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:01:37,799 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:01:37,799 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-11-23 12:01:37,799 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1013], [1016], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:01:37,802 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:01:37,802 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:01:38,010 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:01:38,010 INFO L272 AbstractInterpreter]: Visited 185 different actions 542 times. Merged at 4 different actions 7 times. Never widened. Performed 7942 root evaluator evaluations with a maximum evaluation depth of 9. Performed 7942 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-23 12:01:38,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:01:38,012 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:01:38,239 INFO L227 lantSequenceWeakener]: Weakened 372 states. On average, predicates are now at 75.46% of their original sizes. [2018-11-23 12:01:38,239 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:01:38,317 INFO L415 sIntCurrentIteration]: We unified 374 AI predicates to 374 [2018-11-23 12:01:38,317 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:01:38,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:01:38,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-23 12:01:38,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:01:38,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 12:01:38,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 12:01:38,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:01:38,319 INFO L87 Difference]: Start difference. First operand 29327 states and 39890 transitions. Second operand 12 states. [2018-11-23 12:02:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:02:18,106 INFO L93 Difference]: Finished difference Result 64590 states and 87142 transitions. [2018-11-23 12:02:18,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 12:02:18,107 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 375 [2018-11-23 12:02:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:02:18,201 INFO L225 Difference]: With dead ends: 64590 [2018-11-23 12:02:18,201 INFO L226 Difference]: Without dead ends: 36219 [2018-11-23 12:02:18,285 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 390 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:02:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36219 states. [2018-11-23 12:02:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36219 to 36139. [2018-11-23 12:02:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36139 states. [2018-11-23 12:02:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36139 states to 36139 states and 47679 transitions. [2018-11-23 12:02:18,737 INFO L78 Accepts]: Start accepts. Automaton has 36139 states and 47679 transitions. Word has length 375 [2018-11-23 12:02:18,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:02:18,738 INFO L480 AbstractCegarLoop]: Abstraction has 36139 states and 47679 transitions. [2018-11-23 12:02:18,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 12:02:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 36139 states and 47679 transitions. [2018-11-23 12:02:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-11-23 12:02:18,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:02:18,766 INFO L402 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, 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, 2, 2, 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] [2018-11-23 12:02:18,767 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:02:18,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:02:18,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1719615827, now seen corresponding path program 1 times [2018-11-23 12:02:18,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:02:18,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:18,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:02:18,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:18,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:02:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:02:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 12:02:19,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:02:19,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:02:19,216 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 386 with the following transitions: [2018-11-23 12:02:19,216 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:02:19,218 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:02:19,218 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:02:19,641 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:02:19,641 INFO L272 AbstractInterpreter]: Visited 128 different actions 626 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Performed 8721 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8721 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:02:19,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:02:19,649 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:02:19,649 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:02:19,649 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:02:19,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:02:19,655 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:02:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:02:19,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:02:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 12:02:19,799 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:02:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 12:02:20,137 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:02:20,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-23 12:02:20,137 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:02:20,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:02:20,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:02:20,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:02:20,138 INFO L87 Difference]: Start difference. First operand 36139 states and 47679 transitions. Second operand 16 states. [2018-11-23 12:02:24,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:02:24,942 INFO L93 Difference]: Finished difference Result 72128 states and 100258 transitions. [2018-11-23 12:02:24,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 12:02:24,942 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 385 [2018-11-23 12:02:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:02:25,028 INFO L225 Difference]: With dead ends: 72128 [2018-11-23 12:02:25,028 INFO L226 Difference]: Without dead ends: 36947 [2018-11-23 12:02:25,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=573, Invalid=2079, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 12:02:25,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36947 states. [2018-11-23 12:02:25,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36947 to 36597. [2018-11-23 12:02:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36597 states. [2018-11-23 12:02:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36597 states to 36597 states and 49899 transitions. [2018-11-23 12:02:25,522 INFO L78 Accepts]: Start accepts. Automaton has 36597 states and 49899 transitions. Word has length 385 [2018-11-23 12:02:25,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:02:25,522 INFO L480 AbstractCegarLoop]: Abstraction has 36597 states and 49899 transitions. [2018-11-23 12:02:25,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:02:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 36597 states and 49899 transitions. [2018-11-23 12:02:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-23 12:02:25,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:02:25,558 INFO L402 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, 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, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:02:25,558 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:02:25,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:02:25,559 INFO L82 PathProgramCache]: Analyzing trace with hash -26453255, now seen corresponding path program 1 times [2018-11-23 12:02:25,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:02:25,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:25,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:02:25,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:25,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:02:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:02:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:02:25,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:02:25,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:02:25,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:02:25,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:02:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:02:25,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:02:25,679 INFO L87 Difference]: Start difference. First operand 36597 states and 49899 transitions. Second operand 3 states. [2018-11-23 12:02:26,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:02:26,532 INFO L93 Difference]: Finished difference Result 66327 states and 94919 transitions. [2018-11-23 12:02:26,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:02:26,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2018-11-23 12:02:26,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:02:26,609 INFO L225 Difference]: With dead ends: 66327 [2018-11-23 12:02:26,609 INFO L226 Difference]: Without dead ends: 33094 [2018-11-23 12:02:26,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:02:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33094 states. [2018-11-23 12:02:26,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33094 to 32890. [2018-11-23 12:02:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32890 states. [2018-11-23 12:02:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32890 states to 32890 states and 45182 transitions. [2018-11-23 12:02:27,041 INFO L78 Accepts]: Start accepts. Automaton has 32890 states and 45182 transitions. Word has length 408 [2018-11-23 12:02:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:02:27,042 INFO L480 AbstractCegarLoop]: Abstraction has 32890 states and 45182 transitions. [2018-11-23 12:02:27,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:02:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32890 states and 45182 transitions. [2018-11-23 12:02:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-11-23 12:02:27,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:02:27,073 INFO L402 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, 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, 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] [2018-11-23 12:02:27,073 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:02:27,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:02:27,074 INFO L82 PathProgramCache]: Analyzing trace with hash 488083270, now seen corresponding path program 1 times [2018-11-23 12:02:27,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:02:27,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:27,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:02:27,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:02:27,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:02:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:02:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 191 proven. 216 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-23 12:02:27,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:02:27,228 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:02:27,228 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-11-23 12:02:27,229 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:02:27,230 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:02:27,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:02:27,655 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:02:27,655 INFO L272 AbstractInterpreter]: Visited 143 different actions 566 times. Merged at 7 different actions 28 times. Never widened. Performed 7987 root evaluator evaluations with a maximum evaluation depth of 16. Performed 7987 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 7 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:02:27,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:02:27,661 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:02:27,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:02:27,661 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:02:27,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:02:27,668 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:02:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:02:27,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:02:29,579 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2018-11-23 12:02:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 343 proven. 106 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 12:02:29,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:02:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 295 proven. 107 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-23 12:02:29,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:02:29,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-23 12:02:29,797 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:02:29,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:02:29,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:02:29,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2018-11-23 12:02:29,798 INFO L87 Difference]: Start difference. First operand 32890 states and 45182 transitions. Second operand 10 states. [2018-11-23 12:02:31,935 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-23 12:03:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:03:46,027 INFO L93 Difference]: Finished difference Result 77467 states and 118234 transitions. [2018-11-23 12:03:46,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 12:03:46,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 421 [2018-11-23 12:03:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:03:46,180 INFO L225 Difference]: With dead ends: 77467 [2018-11-23 12:03:46,180 INFO L226 Difference]: Without dead ends: 45355 [2018-11-23 12:03:46,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 853 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=210, Invalid=589, Unknown=13, NotChecked=0, Total=812 [2018-11-23 12:03:46,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45355 states. [2018-11-23 12:03:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45355 to 44433. [2018-11-23 12:03:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44433 states. [2018-11-23 12:03:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44433 states to 44433 states and 59883 transitions. [2018-11-23 12:03:46,905 INFO L78 Accepts]: Start accepts. Automaton has 44433 states and 59883 transitions. Word has length 421 [2018-11-23 12:03:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:03:46,906 INFO L480 AbstractCegarLoop]: Abstraction has 44433 states and 59883 transitions. [2018-11-23 12:03:46,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:03:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 44433 states and 59883 transitions. [2018-11-23 12:03:46,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-11-23 12:03:46,947 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:03:46,948 INFO L402 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, 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, 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] [2018-11-23 12:03:46,948 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:03:46,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1119795789, now seen corresponding path program 1 times [2018-11-23 12:03:46,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:03:46,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:46,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:46,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:46,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:03:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 110 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:03:47,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:47,167 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:03:47,167 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 430 with the following transitions: [2018-11-23 12:03:47,167 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [780], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:03:47,169 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:03:47,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:03:47,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:03:47,423 INFO L272 AbstractInterpreter]: Visited 140 different actions 413 times. Merged at 6 different actions 15 times. Never widened. Performed 5536 root evaluator evaluations with a maximum evaluation depth of 16. Performed 5536 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:03:47,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:47,429 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:03:47,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:47,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:03:47,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:47,441 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:03:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:47,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:03:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 12:03:47,565 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:03:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 12:03:47,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:03:47,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-23 12:03:47,687 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:03:47,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:03:47,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:03:47,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:03:47,688 INFO L87 Difference]: Start difference. First operand 44433 states and 59883 transitions. Second operand 6 states. [2018-11-23 12:03:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:03:48,881 INFO L93 Difference]: Finished difference Result 83655 states and 118934 transitions. [2018-11-23 12:03:48,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:03:48,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 429 [2018-11-23 12:03:48,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:03:48,996 INFO L225 Difference]: With dead ends: 83655 [2018-11-23 12:03:48,997 INFO L226 Difference]: Without dead ends: 44371 [2018-11-23 12:03:49,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 859 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:03:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44371 states. [2018-11-23 12:03:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44371 to 44021. [2018-11-23 12:03:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44021 states. [2018-11-23 12:03:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44021 states to 44021 states and 55998 transitions. [2018-11-23 12:03:49,569 INFO L78 Accepts]: Start accepts. Automaton has 44021 states and 55998 transitions. Word has length 429 [2018-11-23 12:03:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:03:49,570 INFO L480 AbstractCegarLoop]: Abstraction has 44021 states and 55998 transitions. [2018-11-23 12:03:49,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:03:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 44021 states and 55998 transitions. [2018-11-23 12:03:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-11-23 12:03:49,609 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:03:49,609 INFO L402 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, 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, 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] [2018-11-23 12:03:49,610 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:03:49,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash 279256228, now seen corresponding path program 1 times [2018-11-23 12:03:49,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:03:49,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:49,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:49,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:49,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:03:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 12:03:50,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:50,074 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:03:50,074 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 431 with the following transitions: [2018-11-23 12:03:50,074 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [784], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:03:50,076 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:03:50,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:03:50,480 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:03:50,480 INFO L272 AbstractInterpreter]: Visited 143 different actions 699 times. Merged at 7 different actions 31 times. Never widened. Performed 9847 root evaluator evaluations with a maximum evaluation depth of 16. Performed 9847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-23 12:03:50,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:50,485 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:03:50,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:50,485 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:03:50,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:50,491 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:03:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:50,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:03:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-23 12:03:50,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:03:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 197 proven. 216 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 12:03:50,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:03:50,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 21 [2018-11-23 12:03:50,941 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:03:50,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:03:50,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:03:50,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-11-23 12:03:50,941 INFO L87 Difference]: Start difference. First operand 44021 states and 55998 transitions. Second operand 16 states. [2018-11-23 12:03:53,957 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-11-23 12:03:57,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:03:57,919 INFO L93 Difference]: Finished difference Result 92986 states and 131667 transitions. [2018-11-23 12:03:57,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-11-23 12:03:57,920 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 430 [2018-11-23 12:03:57,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:03:58,090 INFO L225 Difference]: With dead ends: 92986 [2018-11-23 12:03:58,090 INFO L226 Difference]: Without dead ends: 54114 [2018-11-23 12:03:58,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 901 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2302 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1391, Invalid=6091, Unknown=0, NotChecked=0, Total=7482 [2018-11-23 12:03:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54114 states. [2018-11-23 12:03:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54114 to 53241. [2018-11-23 12:03:58,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53241 states. [2018-11-23 12:03:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53241 states to 53241 states and 72288 transitions. [2018-11-23 12:03:58,927 INFO L78 Accepts]: Start accepts. Automaton has 53241 states and 72288 transitions. Word has length 430 [2018-11-23 12:03:58,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:03:58,928 INFO L480 AbstractCegarLoop]: Abstraction has 53241 states and 72288 transitions. [2018-11-23 12:03:58,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:03:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 53241 states and 72288 transitions. [2018-11-23 12:03:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-11-23 12:03:59,020 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:03:59,020 INFO L402 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:03:59,020 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:03:59,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:59,021 INFO L82 PathProgramCache]: Analyzing trace with hash -252575779, now seen corresponding path program 1 times [2018-11-23 12:03:59,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:03:59,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:59,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:59,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:03:59,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:03:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-11-23 12:03:59,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:59,223 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:03:59,223 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 499 with the following transitions: [2018-11-23 12:03:59,223 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:03:59,227 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:03:59,227 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:03:59,760 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:03:59,760 INFO L272 AbstractInterpreter]: Visited 148 different actions 728 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 10343 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10343 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:03:59,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:03:59,761 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:03:59,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:03:59,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:03:59,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:03:59,769 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:03:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:03:59,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:03:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2018-11-23 12:03:59,892 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-11-23 12:04:00,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:04:00,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-23 12:04:00,134 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:04:00,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:04:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:04:00,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:04:00,135 INFO L87 Difference]: Start difference. First operand 53241 states and 72288 transitions. Second operand 3 states. [2018-11-23 12:04:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:01,299 INFO L93 Difference]: Finished difference Result 125416 states and 177209 transitions. [2018-11-23 12:04:01,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:04:01,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2018-11-23 12:04:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:01,424 INFO L225 Difference]: With dead ends: 125416 [2018-11-23 12:04:01,425 INFO L226 Difference]: Without dead ends: 50892 [2018-11-23 12:04:01,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:04:01,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50892 states. [2018-11-23 12:04:02,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50892 to 50884. [2018-11-23 12:04:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50884 states. [2018-11-23 12:04:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50884 states to 50884 states and 65881 transitions. [2018-11-23 12:04:02,204 INFO L78 Accepts]: Start accepts. Automaton has 50884 states and 65881 transitions. Word has length 498 [2018-11-23 12:04:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:04:02,205 INFO L480 AbstractCegarLoop]: Abstraction has 50884 states and 65881 transitions. [2018-11-23 12:04:02,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:04:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 50884 states and 65881 transitions. [2018-11-23 12:04:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-11-23 12:04:02,297 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:04:02,297 INFO L402 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:04:02,297 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:04:02,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:02,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1206973787, now seen corresponding path program 1 times [2018-11-23 12:04:02,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:04:02,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:02,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:02,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:02,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:04:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:02,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:02,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:04:02,813 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 522 with the following transitions: [2018-11-23 12:04:02,814 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:04:02,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:04:02,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:04:03,277 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:04:03,277 INFO L272 AbstractInterpreter]: Visited 149 different actions 736 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 10393 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10393 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:04:03,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:03,281 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:04:03,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:03,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:04:03,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:03,287 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:04:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:03,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:04:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:03,917 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:04,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:04:04,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 20 [2018-11-23 12:04:04,474 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:04:04,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 12:04:04,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 12:04:04,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:04:04,475 INFO L87 Difference]: Start difference. First operand 50884 states and 65881 transitions. Second operand 15 states. [2018-11-23 12:04:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:08,616 INFO L93 Difference]: Finished difference Result 97967 states and 128912 transitions. [2018-11-23 12:04:08,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 12:04:08,617 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 521 [2018-11-23 12:04:08,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:08,750 INFO L225 Difference]: With dead ends: 97967 [2018-11-23 12:04:08,750 INFO L226 Difference]: Without dead ends: 52057 [2018-11-23 12:04:08,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1102 GetRequests, 1053 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=534, Invalid=1818, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 12:04:08,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52057 states. [2018-11-23 12:04:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52057 to 51610. [2018-11-23 12:04:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51610 states. [2018-11-23 12:04:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51610 states to 51610 states and 66269 transitions. [2018-11-23 12:04:09,542 INFO L78 Accepts]: Start accepts. Automaton has 51610 states and 66269 transitions. Word has length 521 [2018-11-23 12:04:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:04:09,542 INFO L480 AbstractCegarLoop]: Abstraction has 51610 states and 66269 transitions. [2018-11-23 12:04:09,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 12:04:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 51610 states and 66269 transitions. [2018-11-23 12:04:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2018-11-23 12:04:09,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:04:09,645 INFO L402 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:04:09,645 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:04:09,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:09,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1716500212, now seen corresponding path program 1 times [2018-11-23 12:04:09,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:04:09,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:09,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:09,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:09,646 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:04:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:10,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:10,261 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:04:10,261 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 523 with the following transitions: [2018-11-23 12:04:10,261 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:04:10,263 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:04:10,263 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:04:10,719 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:04:10,719 INFO L272 AbstractInterpreter]: Visited 150 different actions 734 times. Merged at 8 different actions 36 times. Never widened. Performed 10271 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10271 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-23 12:04:10,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:10,725 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:04:10,725 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:10,725 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:04:10,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:10,733 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:04:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:10,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:04:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:11,144 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:11,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:04:11,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 9] total 22 [2018-11-23 12:04:11,527 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:04:11,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 12:04:11,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 12:04:11,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-11-23 12:04:11,528 INFO L87 Difference]: Start difference. First operand 51610 states and 66269 transitions. Second operand 17 states. [2018-11-23 12:04:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:16,136 INFO L93 Difference]: Finished difference Result 98618 states and 131230 transitions. [2018-11-23 12:04:16,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 12:04:16,137 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 522 [2018-11-23 12:04:16,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:16,268 INFO L225 Difference]: With dead ends: 98618 [2018-11-23 12:04:16,268 INFO L226 Difference]: Without dead ends: 51982 [2018-11-23 12:04:16,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1105 GetRequests, 1054 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=587, Invalid=1863, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 12:04:16,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51982 states. [2018-11-23 12:04:16,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51982 to 51293. [2018-11-23 12:04:16,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51293 states. [2018-11-23 12:04:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51293 states to 51293 states and 65248 transitions. [2018-11-23 12:04:16,993 INFO L78 Accepts]: Start accepts. Automaton has 51293 states and 65248 transitions. Word has length 522 [2018-11-23 12:04:16,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:04:16,994 INFO L480 AbstractCegarLoop]: Abstraction has 51293 states and 65248 transitions. [2018-11-23 12:04:16,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 12:04:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 51293 states and 65248 transitions. [2018-11-23 12:04:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-11-23 12:04:17,086 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:04:17,086 INFO L402 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, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-23 12:04:17,087 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:04:17,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:17,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2121603265, now seen corresponding path program 1 times [2018-11-23 12:04:17,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:04:17,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:17,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:17,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:17,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:04:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 413 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-11-23 12:04:17,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:17,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:04:17,268 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 531 with the following transitions: [2018-11-23 12:04:17,268 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:04:17,269 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:04:17,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:04:17,553 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:04:17,553 INFO L272 AbstractInterpreter]: Visited 153 different actions 604 times. Merged at 8 different actions 26 times. Never widened. Performed 8547 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8547 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 9 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:04:17,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:17,557 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:04:17,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:17,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/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 [2018-11-23 12:04:17,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:17,564 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:04:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:17,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:04:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 644 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-23 12:04:17,724 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 413 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-11-23 12:04:17,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:04:17,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-23 12:04:17,877 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:04:17,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:04:17,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:04:17,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:04:17,878 INFO L87 Difference]: Start difference. First operand 51293 states and 65248 transitions. Second operand 9 states. [2018-11-23 12:04:20,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:20,319 INFO L93 Difference]: Finished difference Result 106273 states and 161292 transitions. [2018-11-23 12:04:20,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:04:20,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 530 [2018-11-23 12:04:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:20,525 INFO L225 Difference]: With dead ends: 106273 [2018-11-23 12:04:20,526 INFO L226 Difference]: Without dead ends: 56516 [2018-11-23 12:04:20,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1061 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:04:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56516 states. [2018-11-23 12:04:21,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56516 to 55960. [2018-11-23 12:04:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55960 states. [2018-11-23 12:04:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55960 states to 55960 states and 83682 transitions. [2018-11-23 12:04:21,758 INFO L78 Accepts]: Start accepts. Automaton has 55960 states and 83682 transitions. Word has length 530 [2018-11-23 12:04:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:04:21,758 INFO L480 AbstractCegarLoop]: Abstraction has 55960 states and 83682 transitions. [2018-11-23 12:04:21,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:04:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55960 states and 83682 transitions. [2018-11-23 12:04:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-11-23 12:04:21,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:04:21,921 INFO L402 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:04:21,921 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:04:21,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:21,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1553570919, now seen corresponding path program 1 times [2018-11-23 12:04:21,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:04:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:21,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:21,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:04:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:22,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:22,496 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:04:22,497 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-11-23 12:04:22,497 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [963], [968], [970], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:04:22,499 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:04:22,499 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:04:23,025 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:04:23,025 INFO L272 AbstractInterpreter]: Visited 182 different actions 897 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 13071 root evaluator evaluations with a maximum evaluation depth of 16. Performed 13071 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-23 12:04:23,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:23,029 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:04:23,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:23,029 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:04:23,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:23,035 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:04:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:23,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:04:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:23,435 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-23 12:04:23,645 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:04:23,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-11-23 12:04:23,646 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:04:23,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 12:04:23,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 12:04:23,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:04:23,647 INFO L87 Difference]: Start difference. First operand 55960 states and 83682 transitions. Second operand 17 states. [2018-11-23 12:04:33,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:33,234 INFO L93 Difference]: Finished difference Result 114389 states and 181137 transitions. [2018-11-23 12:04:33,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-11-23 12:04:33,235 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 554 [2018-11-23 12:04:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:33,455 INFO L225 Difference]: With dead ends: 114389 [2018-11-23 12:04:33,455 INFO L226 Difference]: Without dead ends: 59369 [2018-11-23 12:04:33,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1232 GetRequests, 1146 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1375, Invalid=6107, Unknown=0, NotChecked=0, Total=7482 [2018-11-23 12:04:33,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59369 states. [2018-11-23 12:04:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59369 to 56646. [2018-11-23 12:04:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56646 states. [2018-11-23 12:04:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56646 states to 56646 states and 79252 transitions. [2018-11-23 12:04:34,850 INFO L78 Accepts]: Start accepts. Automaton has 56646 states and 79252 transitions. Word has length 554 [2018-11-23 12:04:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:04:34,850 INFO L480 AbstractCegarLoop]: Abstraction has 56646 states and 79252 transitions. [2018-11-23 12:04:34,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 12:04:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 56646 states and 79252 transitions. [2018-11-23 12:04:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-11-23 12:04:35,149 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:04:35,149 INFO L402 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:04:35,149 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:04:35,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:35,149 INFO L82 PathProgramCache]: Analyzing trace with hash -237884832, now seen corresponding path program 1 times [2018-11-23 12:04:35,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:04:35,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:35,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:35,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:04:35,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:04:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 634 proven. 107 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2018-11-23 12:04:35,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:35,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:04:35,423 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 677 with the following transitions: [2018-11-23 12:04:35,423 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:04:35,425 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:04:35,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:04:36,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:04:36,133 INFO L272 AbstractInterpreter]: Visited 190 different actions 930 times. Merged at 9 different actions 32 times. Never widened. Performed 13609 root evaluator evaluations with a maximum evaluation depth of 18. Performed 13609 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-23 12:04:36,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:04:36,135 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:04:36,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:04:36,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:04:36,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:04:36,337 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:04:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:04:36,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:04:38,497 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2018-11-23 12:04:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2018-11-23 12:04:38,729 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:04:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2018-11-23 12:04:38,898 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:04:38,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-11-23 12:04:38,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:04:38,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:04:38,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:04:38,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:04:38,899 INFO L87 Difference]: Start difference. First operand 56646 states and 79252 transitions. Second operand 3 states. [2018-11-23 12:04:57,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:04:57,131 INFO L93 Difference]: Finished difference Result 116082 states and 164201 transitions. [2018-11-23 12:04:57,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:04:57,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 676 [2018-11-23 12:04:57,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:04:57,354 INFO L225 Difference]: With dead ends: 116082 [2018-11-23 12:04:57,355 INFO L226 Difference]: Without dead ends: 64415 [2018-11-23 12:04:57,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1351 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:04:57,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64415 states. [2018-11-23 12:04:58,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64415 to 64274. [2018-11-23 12:04:58,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64274 states. [2018-11-23 12:05:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64274 states to 64274 states and 90040 transitions. [2018-11-23 12:05:00,740 INFO L78 Accepts]: Start accepts. Automaton has 64274 states and 90040 transitions. Word has length 676 [2018-11-23 12:05:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:05:00,740 INFO L480 AbstractCegarLoop]: Abstraction has 64274 states and 90040 transitions. [2018-11-23 12:05:00,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:05:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 64274 states and 90040 transitions. [2018-11-23 12:05:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2018-11-23 12:05:01,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:05:01,129 INFO L402 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, 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, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 12:05:01,129 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:05:01,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:05:01,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1041098036, now seen corresponding path program 1 times [2018-11-23 12:05:01,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:05:01,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:05:01,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:05:01,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:05:01,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:05:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 832 proven. 90 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-11-23 12:05:01,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:05:01,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:05:01,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 753 with the following transitions: [2018-11-23 12:05:01,505 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-11-23 12:05:01,507 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:05:01,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:05:01,951 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:05:01,951 INFO L272 AbstractInterpreter]: Visited 169 different actions 814 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 11784 root evaluator evaluations with a maximum evaluation depth of 16. Performed 11784 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 13 fixpoints after 6 different actions. Largest state had 28 variables. [2018-11-23 12:05:01,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:05:01,957 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:05:01,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:05:01,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:05:01,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:05:01,964 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:05:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:02,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:05:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 1199 proven. 2 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-11-23 12:05:02,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:05:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 832 proven. 90 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-11-23 12:05:02,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:05:02,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 12:05:02,491 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:05:02,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:05:02,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:05:02,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 12:05:02,491 INFO L87 Difference]: Start difference. First operand 64274 states and 90040 transitions. Second operand 9 states. [2018-11-23 12:05:04,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:05:04,700 INFO L93 Difference]: Finished difference Result 111193 states and 154579 transitions. [2018-11-23 12:05:04,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 12:05:04,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 752 [2018-11-23 12:05:04,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:05:04,702 INFO L225 Difference]: With dead ends: 111193 [2018-11-23 12:05:04,702 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:05:04,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1525 GetRequests, 1507 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:05:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:05:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:05:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:05:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:05:04,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 752 [2018-11-23 12:05:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:05:04,929 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:05:04,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:05:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:05:04,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:05:04,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:05:05,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:05,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:06,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:07,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:08,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:10,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:10,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:10,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:11,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:11,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:11,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:11,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:11,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,800 WARN L180 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 2213 DAG size of output: 1860 [2018-11-23 12:05:13,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:13,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:14,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:15,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:16,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:16,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:16,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:16,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:17,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:17,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:18,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:18,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:18,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:18,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:20,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:05:21,405 WARN L180 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 2108 DAG size of output: 1781 [2018-11-23 12:05:26,429 WARN L180 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 704 DAG size of output: 141 [2018-11-23 12:06:40,149 WARN L180 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 1750 DAG size of output: 118 [2018-11-23 12:07:59,644 WARN L180 SmtUtils]: Spent 1.32 m on a formula simplification. DAG size of input: 1667 DAG size of output: 123 [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,647 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2018-11-23 12:07:59,648 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-23 12:07:59,649 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-23 12:07:59,650 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-23 12:07:59,651 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,652 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,653 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse8 (= ~a29~0 |old(~a29~0)|)) (.cse9 (= ~a23~0 |old(~a23~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse2 (= 1 |old(~a4~0)|)) (.cse19 (< 140 |old(~a29~0)|)) (.cse25 (= 11 |old(~a25~0)|))) (let ((.cse12 (< |old(~a25~0)| 12)) (.cse16 (forall ((v_~a23~0_647 Int)) (or (< 138 v_~a23~0_647) (< (* 25 v_~a23~0_647) (+ |old(~a23~0)| 287786))))) (.cse23 (< 312 |old(~a23~0)|)) (.cse24 (not (= 10 |old(~a25~0)|))) (.cse7 (<= (+ |old(~a23~0)| 43) 0)) (.cse21 (not (= 9 |old(~a25~0)|))) (.cse4 (< |old(~a29~0)| 260)) (.cse5 (not (= 12 |old(~a25~0)|))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse17 (not .cse25)) (.cse22 (or .cse0 .cse1 .cse2 .cse19)) (.cse11 (< 138 |old(~a23~0)|)) (.cse18 (< |old(~a29~0)| 130)) (.cse15 (forall ((v_prenex_20 Int)) (or (< v_prenex_20 0) (< v_prenex_20 |old(~a29~0)|) (< (+ (mod v_prenex_20 15) 260) |old(~a29~0)|)))) (.cse6 (not .cse2)) (.cse3 (and .cse8 .cse9 (= ~a4~0 |old(~a4~0)|) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 (and .cse8 .cse9 (= |old(~a4~0)| ~a4~0) .cse10) .cse11) (or .cse12 .cse0 .cse1 .cse6 .cse7 .cse3) (or .cse0 .cse1 (forall ((v_prenex_30 Int)) (let ((.cse14 (* 5 (div v_prenex_30 5)))) (let ((.cse13 (mod .cse14 15))) (or (= 0 .cse13) (< |old(~a29~0)| (+ .cse13 246)) (<= 0 (+ .cse14 128610)) (not (= (mod v_prenex_30 5) 0)))))) .cse15 .cse3 .cse6 .cse16) (or .cse12 .cse0 .cse1 .cse3 .cse7 .cse11) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse11) (or .cse0 .cse1 .cse17 .cse18 .cse3 .cse6 .cse7) (or .cse19 .cse20 .cse5 .cse11 .cse0 .cse1 .cse3) (or .cse0 .cse1 .cse21 .cse4 .cse6 .cse3) (or .cse3 .cse21 .cse22 .cse11) (or .cse23 .cse0 .cse1 .cse21 .cse6 .cse7 .cse3) (or .cse24 .cse3 .cse22 (< 0 (+ |old(~a29~0)| 28445))) (or .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse16) (or .cse3 (or .cse0 .cse1 (< 0 (+ |old(~a29~0)| 580292)) .cse2 .cse5)) (or .cse23 .cse0 .cse1 .cse17 .cse3 .cse6 .cse7) (or .cse24 .cse0 .cse1 .cse19 .cse7 .cse3 .cse11) (or .cse0 .cse1 .cse21 .cse4 .cse3 .cse11) (or .cse0 .cse1 .cse18 .cse15 .cse3 .cse5) (or .cse0 .cse1 .cse3 .cse6 (= 0 |old(~a25~0)|) .cse20 (not (= 0 (mod |old(~a25~0)| 2))) (< 11 |old(~a25~0)|)) (or .cse17 .cse22 .cse3 .cse11) (or .cse0 .cse1 .cse18 .cse25 .cse15 .cse6 .cse3)))) [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,654 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-23 12:07:59,655 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-23 12:07:59,656 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,657 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,658 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-23 12:07:59,659 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-23 12:07:59,660 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,661 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:07:59,662 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-23 12:07:59,663 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:07:59,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:07:59,663 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-23 12:07:59,663 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-23 12:07:59,663 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse19 (not (= ~a25~0 11))) (.cse1 (< 0 (+ ~a23~0 43))) (.cse9 (<= ~a29~0 140))) (let ((.cse0 (<= 12 ~a25~0)) (.cse15 (not (= main_~input~0 0))) (.cse17 (and .cse19 .cse1 .cse9)) (.cse18 (<= ~a23~0 312)) (.cse16 (= 10 ~a25~0)) (.cse6 (= 11 ~a25~0)) (.cse10 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse4 (= 9 ~a25~0)) (.cse3 (<= 260 ~a29~0)) (.cse2 (<= ~a23~0 138)) (.cse14 (= ~a25~0 12)) (.cse8 (not (= ~a4~0 1))) (.cse13 (<= ~a29~0 274)) (.cse7 (<= 130 ~a29~0)) (.cse5 (= 1 ~a4~0))) (or (and .cse0 .cse1 .cse2) (not (= 10 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (not (= 1 |old(~a4~0)|)) (and .cse0 .cse1 .cse5) (not (= 130 |old(~a29~0)|)) (not (= 1 ~a3~0)) (and .cse6 .cse1 .cse5 .cse7) (and .cse6 .cse2 .cse8 .cse9) (and .cse10 .cse5 (exists ((v_prenex_30 Int)) (let ((.cse12 (* 5 (div v_prenex_30 5)))) (let ((.cse11 (mod .cse12 15))) (and (not (= 0 .cse11)) (< (+ .cse12 128610) 0) (<= (+ .cse11 246) ~a29~0) (= (mod v_prenex_30 5) 0))))) .cse13) (and (and (and .cse14 .cse15) .cse5) .cse9) (and .cse4 .cse2 .cse8 .cse9) (and (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0)) .cse8) (and (<= ~a25~0 11) .cse15 (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse5) (and .cse2 .cse16 .cse17) (and .cse6 .cse18 .cse1 .cse5) (not (= 312 |old(~a23~0)|)) (and (and .cse17 .cse5) .cse18 .cse4) (and (<= (+ ~a29~0 28445) 0) .cse16 .cse8) (and .cse14 .cse8 .cse7) (and .cse6 .cse10 .cse3 .cse8) (and .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse5) (and .cse2 .cse14 .cse8) (and (and .cse19 .cse13 .cse7) .cse5) (not (= 15 ~a8~0))))) [2018-11-23 12:07:59,663 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-23 12:07:59,663 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-23 12:07:59,664 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse18 (not (= ~a25~0 11))) (.cse1 (< 0 (+ ~a23~0 43))) (.cse9 (<= ~a29~0 140))) (let ((.cse0 (<= 12 ~a25~0)) (.cse15 (and .cse18 .cse1 .cse9)) (.cse16 (<= ~a23~0 312)) (.cse14 (= 10 ~a25~0)) (.cse6 (= 11 ~a25~0)) (.cse10 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse4 (= 9 ~a25~0)) (.cse3 (<= 260 ~a29~0)) (.cse2 (<= ~a23~0 138)) (.cse8 (not (= ~a4~0 1))) (.cse13 (<= ~a29~0 274)) (.cse7 (<= 130 ~a29~0)) (.cse17 (= ~a25~0 12)) (.cse5 (= 1 ~a4~0))) (or (and .cse0 .cse1 .cse2) (not (= 10 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (not (= 1 |old(~a4~0)|)) (and .cse0 .cse1 .cse5) (not (= 130 |old(~a29~0)|)) (not (= 1 ~a3~0)) (and .cse6 .cse1 .cse5 .cse7) (and .cse6 .cse2 .cse8 .cse9) (and .cse10 .cse5 (exists ((v_prenex_30 Int)) (let ((.cse12 (* 5 (div v_prenex_30 5)))) (let ((.cse11 (mod .cse12 15))) (and (not (= 0 .cse11)) (< (+ .cse12 128610) 0) (<= (+ .cse11 246) ~a29~0) (= (mod v_prenex_30 5) 0))))) .cse13) (and .cse4 .cse2 .cse8 .cse9) (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0)) (and .cse2 .cse14 .cse15) (and .cse6 .cse16 .cse1 .cse5) (not (= 312 |old(~a23~0)|)) (and (and .cse15 .cse5) .cse16 .cse4) (and (<= (+ ~a29~0 28445) 0) .cse14) (and .cse17 .cse8 .cse7) (and (<= ~a25~0 11) (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse5) (and .cse6 .cse10 .cse3 .cse8) (and .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse5) (and .cse2 .cse17 .cse8) (and (and .cse18 .cse13 .cse7) .cse5) (and (and .cse17 .cse5) .cse9) (not (= 15 ~a8~0))))) [2018-11-23 12:07:59,664 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-11-23 12:07:59,673 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,681 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:07:59 BoogieIcfgContainer [2018-11-23 12:07:59,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:07:59,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:07:59,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:07:59,683 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:07:59,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:59:31" (3/4) ... [2018-11-23 12:07:59,685 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:07:59,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:07:59,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 12:07:59,689 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:07:59,700 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 12:07:59,701 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:07:59,724 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || !(10 == \old(a25))) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || !(1 == \old(a4))) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || !(130 == \old(a29))) || !(1 == a3)) || (((11 == a25 && 0 < a23 + 43) && 1 == a4) && 130 <= a29)) || (((11 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((((\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647) && 1 == a4) && (\exists v_prenex_30 : int :: ((!(0 == 5 * (v_prenex_30 / 5) % 15) && 5 * (v_prenex_30 / 5) + 128610 < 0) && 5 * (v_prenex_30 / 5) % 15 + 246 <= a29) && v_prenex_30 % 5 == 0)) && a29 <= 274)) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || (12 == a25 && a29 + 580292 <= 0)) || ((a23 <= 138 && 10 == a25) && (!(a25 == 11) && 0 < a23 + 43) && a29 <= 140)) || (((11 == a25 && a23 <= 312) && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || (((((!(a25 == 11) && 0 < a23 + 43) && a29 <= 140) && 1 == a4) && a23 <= 312) && 9 == a25)) || (a29 + 28445 <= 0 && 10 == a25)) || ((a25 == 12 && !(a4 == 1)) && 130 <= a29)) || (((a25 <= 11 && a25 % 2 == 0) && !(a25 == 0)) && 1 == a4)) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29) && !(a4 == 1))) || ((9 == a25 && 1 == a4) && 260 <= a29)) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((a23 <= 138 && a25 == 12) && !(a4 == 1))) || (((!(a25 == 11) && a29 <= 274) && 130 <= a29) && 1 == a4)) || ((a25 == 12 && 1 == a4) && a29 <= 140)) || !(15 == a8) [2018-11-23 12:07:59,828 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0da3f93f-1ca8-45bb-90e8-0b132229fb54/bin-2019/utaipan/witness.graphml [2018-11-23 12:07:59,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:07:59,828 INFO L168 Benchmark]: Toolchain (without parser) took 510163.99 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 955.0 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,829 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:07:59,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:07:59,830 INFO L168 Benchmark]: Boogie Preprocessor took 72.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,830 INFO L168 Benchmark]: RCFGBuilder took 1457.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 983.1 MB in the end (delta: 167.6 MB). Peak memory consumption was 167.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,830 INFO L168 Benchmark]: TraceAbstraction took 507763.20 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 983.1 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,830 INFO L168 Benchmark]: Witness Printer took 145.04 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 5.1 kB). Peak memory consumption was 5.1 kB. Max. memory is 11.5 GB. [2018-11-23 12:07:59,832 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 685.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1457.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 983.1 MB in the end (delta: 167.6 MB). Peak memory consumption was 167.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 507763.20 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 983.1 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 145.04 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 5.1 kB). Peak memory consumption was 5.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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: 1034]: Loop Invariant [2018-11-23 12:07:59,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,835 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,836 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-23 12:07:59,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-23 12:07:59,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || !(10 == \old(a25))) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || !(1 == \old(a4))) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || !(130 == \old(a29))) || !(1 == a3)) || (((11 == a25 && 0 < a23 + 43) && 1 == a4) && 130 <= a29)) || (((11 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((((\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647) && 1 == a4) && (\exists v_prenex_30 : int :: ((!(0 == 5 * (v_prenex_30 / 5) % 15) && 5 * (v_prenex_30 / 5) + 128610 < 0) && 5 * (v_prenex_30 / 5) % 15 + 246 <= a29) && v_prenex_30 % 5 == 0)) && a29 <= 274)) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || (12 == a25 && a29 + 580292 <= 0)) || ((a23 <= 138 && 10 == a25) && (!(a25 == 11) && 0 < a23 + 43) && a29 <= 140)) || (((11 == a25 && a23 <= 312) && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || (((((!(a25 == 11) && 0 < a23 + 43) && a29 <= 140) && 1 == a4) && a23 <= 312) && 9 == a25)) || (a29 + 28445 <= 0 && 10 == a25)) || ((a25 == 12 && !(a4 == 1)) && 130 <= a29)) || (((a25 <= 11 && a25 % 2 == 0) && !(a25 == 0)) && 1 == a4)) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29) && !(a4 == 1))) || ((9 == a25 && 1 == a4) && 260 <= a29)) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((a23 <= 138 && a25 == 12) && !(a4 == 1))) || (((!(a25 == 11) && a29 <= 274) && 130 <= a29) && 1 == a4)) || ((a25 == 12 && 1 == a4) && a29 <= 140)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 507.6s OverallTime, 21 OverallIterations, 7 TraceHistogramMax, 281.7s AutomataDifference, 0.0s DeadEndRemovalTime, 174.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 4481 SDtfs, 37510 SDslu, 5923 SDs, 0 SdLazy, 69268 SolverSat, 11532 SolverUnsat, 71 SolverUnknown, 0 SolverNotchecked, 222.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 14489 GetRequests, 13925 SyntacticMatches, 24 SemanticMatches, 540 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8480 ImplicationChecksByTransitivity, 33.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64274occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.1s AbstIntTime, 17 AbstIntIterations, 4 AbstIntStrong, 0.9978295025562764 AbsIntWeakeningRatio, 0.0966183574879227 AbsIntAvgWeakeningVarsNumRemoved, 18.13768115942029 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 11.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 8360 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 3321 PreInvPairs, 4165 NumberOfFragments, 1660 HoareAnnotationTreeSize, 3321 FomulaSimplifications, 1455523 FormulaSimplificationTreeSizeReduction, 16.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 583449 FormulaSimplificationTreeSizeReductionInter, 158.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 24.4s InterpolantComputationTime, 14685 NumberOfCodeBlocks, 14685 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 20905 ConstructedInterpolants, 78 QuantifiedInterpolants, 39340348 SizeOfPredicates, 38 NumberOfNonLiveVariables, 9839 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 47 InterpolantComputations, 8 PerfectInterpolantSequences, 29614/31269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...