./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c3ab847d37615cc89461d344e344751adad439b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:52:55,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:52:55,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:52:55,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:52:55,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:52:55,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:52:55,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:52:55,501 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:52:55,502 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:52:55,503 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:52:55,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:52:55,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:52:55,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:52:55,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:52:55,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:52:55,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:52:55,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:52:55,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:52:55,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:52:55,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:52:55,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:52:55,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:52:55,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:52:55,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:52:55,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:52:55,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:52:55,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:52:55,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:52:55,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:52:55,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:52:55,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:52:55,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:52:55,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:52:55,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:52:55,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:52:55,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:52:55,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 08:52:55,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:52:55,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:52:55,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:52:55,530 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:52:55,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:52:55,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:52:55,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:52:55,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:52:55,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:52:55,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:52:55,533 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:52:55,534 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:52:55,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:52:55,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:52:55,534 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer 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 -> Automizer 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 -> 8c3ab847d37615cc89461d344e344751adad439b [2018-11-10 08:52:55,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:52:55,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:52:55,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:52:55,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:52:55,566 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:52:55,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-10 08:52:55,610 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/data/d449544fb/6da779403b11427b9eef3ff157302cb7/FLAG9e340b155 [2018-11-10 08:52:56,075 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:52:56,075 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/sv-benchmarks/c/eca-rers2012/Problem14_label09_true-unreach-call_false-termination.c [2018-11-10 08:52:56,085 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/data/d449544fb/6da779403b11427b9eef3ff157302cb7/FLAG9e340b155 [2018-11-10 08:52:56,097 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/data/d449544fb/6da779403b11427b9eef3ff157302cb7 [2018-11-10 08:52:56,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:52:56,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 08:52:56,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:52:56,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:52:56,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:52:56,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56, skipping insertion in model container [2018-11-10 08:52:56,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:52:56,148 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:52:56,381 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:52:56,384 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:52:56,466 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:52:56,478 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:52:56,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56 WrapperNode [2018-11-10 08:52:56,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:52:56,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:52:56,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:52:56,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:52:56,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... [2018-11-10 08:52:56,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:52:56,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:52:56,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:52:56,599 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:52:56,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 08:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:52:57,547 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:52:57,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:52:57 BoogieIcfgContainer [2018-11-10 08:52:57,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:52:57,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:52:57,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:52:57,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:52:57,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:52:56" (1/3) ... [2018-11-10 08:52:57,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d6378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:52:57, skipping insertion in model container [2018-11-10 08:52:57,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:52:56" (2/3) ... [2018-11-10 08:52:57,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d6378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:52:57, skipping insertion in model container [2018-11-10 08:52:57,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:52:57" (3/3) ... [2018-11-10 08:52:57,554 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label09_true-unreach-call_false-termination.c [2018-11-10 08:52:57,561 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:52:57,566 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:52:57,576 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:52:57,598 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:52:57,599 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:52:57,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:52:57,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:52:57,599 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:52:57,599 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:52:57,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:52:57,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:52:57,600 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:52:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-10 08:52:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 08:52:57,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:52:57,622 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:52:57,623 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:52:57,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:52:57,627 INFO L82 PathProgramCache]: Analyzing trace with hash 968801788, now seen corresponding path program 1 times [2018-11-10 08:52:57,628 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:52:57,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:52:57,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:52:57,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:52:57,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:52:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:52:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:52:57,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:52:57,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:52:57,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:52:57,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:52:57,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:52:57,845 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-10 08:52:58,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:52:58,962 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-11-10 08:52:58,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 08:52:58,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-10 08:52:58,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:52:58,976 INFO L225 Difference]: With dead ends: 894 [2018-11-10 08:52:58,976 INFO L226 Difference]: Without dead ends: 633 [2018-11-10 08:52:58,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:52:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-10 08:52:59,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-11-10 08:52:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-11-10 08:52:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 962 transitions. [2018-11-10 08:52:59,043 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 962 transitions. Word has length 52 [2018-11-10 08:52:59,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:52:59,044 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 962 transitions. [2018-11-10 08:52:59,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:52:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 962 transitions. [2018-11-10 08:52:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 08:52:59,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:52:59,050 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:52:59,051 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:52:59,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:52:59,051 INFO L82 PathProgramCache]: Analyzing trace with hash -415473421, now seen corresponding path program 1 times [2018-11-10 08:52:59,051 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:52:59,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:52:59,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:52:59,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:52:59,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:52:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:52:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:52:59,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:52:59,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 08:52:59,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 08:52:59,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 08:52:59,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:52:59,193 INFO L87 Difference]: Start difference. First operand 633 states and 962 transitions. Second operand 4 states. [2018-11-10 08:53:00,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:00,154 INFO L93 Difference]: Finished difference Result 2358 states and 3740 transitions. [2018-11-10 08:53:00,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 08:53:00,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-11-10 08:53:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:00,167 INFO L225 Difference]: With dead ends: 2358 [2018-11-10 08:53:00,168 INFO L226 Difference]: Without dead ends: 1731 [2018-11-10 08:53:00,173 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 08:53:00,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-10 08:53:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-11-10 08:53:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-11-10 08:53:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2514 transitions. [2018-11-10 08:53:00,229 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2514 transitions. Word has length 165 [2018-11-10 08:53:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:00,230 INFO L481 AbstractCegarLoop]: Abstraction has 1731 states and 2514 transitions. [2018-11-10 08:53:00,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 08:53:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2514 transitions. [2018-11-10 08:53:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 08:53:00,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:00,239 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 08:53:00,239 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:00,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:00,240 INFO L82 PathProgramCache]: Analyzing trace with hash 603968484, now seen corresponding path program 1 times [2018-11-10 08:53:00,240 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:00,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:00,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:00,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:00,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:53:00,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:00,445 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:00,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:00,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:53:00,653 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:00,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 08:53:00,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:53:00,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:53:00,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:53:00,655 INFO L87 Difference]: Start difference. First operand 1731 states and 2514 transitions. Second operand 9 states. [2018-11-10 08:53:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:03,061 INFO L93 Difference]: Finished difference Result 8162 states and 14210 transitions. [2018-11-10 08:53:03,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 08:53:03,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 240 [2018-11-10 08:53:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:03,098 INFO L225 Difference]: With dead ends: 8162 [2018-11-10 08:53:03,098 INFO L226 Difference]: Without dead ends: 4013 [2018-11-10 08:53:03,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-10 08:53:03,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4013 states. [2018-11-10 08:53:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4013 to 3863. [2018-11-10 08:53:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3863 states. [2018-11-10 08:53:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 5261 transitions. [2018-11-10 08:53:03,309 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 5261 transitions. Word has length 240 [2018-11-10 08:53:03,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:03,310 INFO L481 AbstractCegarLoop]: Abstraction has 3863 states and 5261 transitions. [2018-11-10 08:53:03,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:53:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 5261 transitions. [2018-11-10 08:53:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-10 08:53:03,320 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:03,320 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:53:03,320 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:03,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:03,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1784650764, now seen corresponding path program 1 times [2018-11-10 08:53:03,321 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:03,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:03,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:03,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:03,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:53:03,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:03,458 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:03,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:03,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:53:03,623 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:03,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 08:53:03,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:53:03,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:53:03,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:53:03,625 INFO L87 Difference]: Start difference. First operand 3863 states and 5261 transitions. Second operand 9 states. [2018-11-10 08:53:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:05,059 INFO L93 Difference]: Finished difference Result 9227 states and 14249 transitions. [2018-11-10 08:53:05,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 08:53:05,060 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 252 [2018-11-10 08:53:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:05,072 INFO L225 Difference]: With dead ends: 9227 [2018-11-10 08:53:05,072 INFO L226 Difference]: Without dead ends: 3556 [2018-11-10 08:53:05,093 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-10 08:53:05,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2018-11-10 08:53:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3436. [2018-11-10 08:53:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3436 states. [2018-11-10 08:53:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 3436 states and 4501 transitions. [2018-11-10 08:53:05,158 INFO L78 Accepts]: Start accepts. Automaton has 3436 states and 4501 transitions. Word has length 252 [2018-11-10 08:53:05,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:05,158 INFO L481 AbstractCegarLoop]: Abstraction has 3436 states and 4501 transitions. [2018-11-10 08:53:05,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:53:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3436 states and 4501 transitions. [2018-11-10 08:53:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-10 08:53:05,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:05,163 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:53:05,163 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:05,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:05,164 INFO L82 PathProgramCache]: Analyzing trace with hash -647309685, now seen corresponding path program 1 times [2018-11-10 08:53:05,164 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:05,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:05,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:05,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:05,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 123 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:53:05,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:05,460 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:05,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:05,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 08:53:05,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 08:53:05,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2018-11-10 08:53:05,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 08:53:05,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 08:53:05,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-11-10 08:53:05,670 INFO L87 Difference]: Start difference. First operand 3436 states and 4501 transitions. Second operand 12 states. [2018-11-10 08:53:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:09,857 INFO L93 Difference]: Finished difference Result 10984 states and 14292 transitions. [2018-11-10 08:53:09,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-10 08:53:09,858 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 257 [2018-11-10 08:53:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:09,873 INFO L225 Difference]: With dead ends: 10984 [2018-11-10 08:53:09,873 INFO L226 Difference]: Without dead ends: 4430 [2018-11-10 08:53:09,895 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 279 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=403, Invalid=1949, Unknown=0, NotChecked=0, Total=2352 [2018-11-10 08:53:09,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2018-11-10 08:53:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 3936. [2018-11-10 08:53:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3936 states. [2018-11-10 08:53:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3936 states to 3936 states and 4640 transitions. [2018-11-10 08:53:09,977 INFO L78 Accepts]: Start accepts. Automaton has 3936 states and 4640 transitions. Word has length 257 [2018-11-10 08:53:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:09,977 INFO L481 AbstractCegarLoop]: Abstraction has 3936 states and 4640 transitions. [2018-11-10 08:53:09,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 08:53:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3936 states and 4640 transitions. [2018-11-10 08:53:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-10 08:53:09,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:09,984 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:53:09,984 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:09,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:09,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1907379776, now seen corresponding path program 1 times [2018-11-10 08:53:09,985 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:09,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:09,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:09,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:09,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 209 proven. 176 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 08:53:10,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:10,243 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:10,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:10,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 406 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 08:53:10,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:10,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-11-10 08:53:10,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 08:53:10,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 08:53:10,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-10 08:53:10,439 INFO L87 Difference]: Start difference. First operand 3936 states and 4640 transitions. Second operand 10 states. [2018-11-10 08:53:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:11,021 INFO L93 Difference]: Finished difference Result 7241 states and 8505 transitions. [2018-11-10 08:53:11,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 08:53:11,022 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 408 [2018-11-10 08:53:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:11,034 INFO L225 Difference]: With dead ends: 7241 [2018-11-10 08:53:11,034 INFO L226 Difference]: Without dead ends: 3714 [2018-11-10 08:53:11,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-11-10 08:53:11,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2018-11-10 08:53:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 3649. [2018-11-10 08:53:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3649 states. [2018-11-10 08:53:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4072 transitions. [2018-11-10 08:53:11,105 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4072 transitions. Word has length 408 [2018-11-10 08:53:11,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:11,106 INFO L481 AbstractCegarLoop]: Abstraction has 3649 states and 4072 transitions. [2018-11-10 08:53:11,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 08:53:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4072 transitions. [2018-11-10 08:53:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-11-10 08:53:11,119 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:11,120 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-10 08:53:11,120 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:11,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:11,120 INFO L82 PathProgramCache]: Analyzing trace with hash -295432696, now seen corresponding path program 1 times [2018-11-10 08:53:11,120 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:11,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:11,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:11,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:11,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 582 proven. 422 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-11-10 08:53:12,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:12,188 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:12,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:12,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 811 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2018-11-10 08:53:12,520 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:12,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-10 08:53:12,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 08:53:12,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 08:53:12,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-11-10 08:53:12,521 INFO L87 Difference]: Start difference. First operand 3649 states and 4072 transitions. Second operand 17 states. [2018-11-10 08:53:14,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:14,996 INFO L93 Difference]: Finished difference Result 7954 states and 8995 transitions. [2018-11-10 08:53:14,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-10 08:53:14,997 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 592 [2018-11-10 08:53:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:15,008 INFO L225 Difference]: With dead ends: 7954 [2018-11-10 08:53:15,008 INFO L226 Difference]: Without dead ends: 4494 [2018-11-10 08:53:15,012 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=415, Invalid=1477, Unknown=0, NotChecked=0, Total=1892 [2018-11-10 08:53:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2018-11-10 08:53:15,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 3989. [2018-11-10 08:53:15,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3989 states. [2018-11-10 08:53:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 3989 states and 4372 transitions. [2018-11-10 08:53:15,086 INFO L78 Accepts]: Start accepts. Automaton has 3989 states and 4372 transitions. Word has length 592 [2018-11-10 08:53:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:15,087 INFO L481 AbstractCegarLoop]: Abstraction has 3989 states and 4372 transitions. [2018-11-10 08:53:15,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 08:53:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3989 states and 4372 transitions. [2018-11-10 08:53:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2018-11-10 08:53:15,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:15,101 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-10 08:53:15,101 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:15,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:15,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1451399131, now seen corresponding path program 1 times [2018-11-10 08:53:15,101 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:15,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:15,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:15,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:15,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 356 proven. 393 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-10 08:53:15,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:15,767 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:15,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:15,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 528 proven. 2 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2018-11-10 08:53:15,993 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:15,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-10 08:53:15,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 08:53:15,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 08:53:15,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-11-10 08:53:15,994 INFO L87 Difference]: Start difference. First operand 3989 states and 4372 transitions. Second operand 17 states. [2018-11-10 08:53:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:20,362 INFO L93 Difference]: Finished difference Result 10736 states and 12070 transitions. [2018-11-10 08:53:20,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-11-10 08:53:20,362 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 625 [2018-11-10 08:53:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:20,379 INFO L225 Difference]: With dead ends: 10736 [2018-11-10 08:53:20,379 INFO L226 Difference]: Without dead ends: 6938 [2018-11-10 08:53:20,387 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 665 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1781 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1028, Invalid=4374, Unknown=0, NotChecked=0, Total=5402 [2018-11-10 08:53:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6938 states. [2018-11-10 08:53:20,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6938 to 6436. [2018-11-10 08:53:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6436 states. [2018-11-10 08:53:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 7069 transitions. [2018-11-10 08:53:20,502 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 7069 transitions. Word has length 625 [2018-11-10 08:53:20,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:20,503 INFO L481 AbstractCegarLoop]: Abstraction has 6436 states and 7069 transitions. [2018-11-10 08:53:20,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 08:53:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 7069 transitions. [2018-11-10 08:53:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2018-11-10 08:53:20,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:20,510 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 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, 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] [2018-11-10 08:53:20,510 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:20,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:20,510 INFO L82 PathProgramCache]: Analyzing trace with hash 382307067, now seen corresponding path program 1 times [2018-11-10 08:53:20,510 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:20,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:20,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:20,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:20,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 804 proven. 749 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 08:53:21,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:21,210 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:21,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:21,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 1022 proven. 2 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2018-11-10 08:53:21,573 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:21,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-10 08:53:21,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 08:53:21,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 08:53:21,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-10 08:53:21,575 INFO L87 Difference]: Start difference. First operand 6436 states and 7069 transitions. Second operand 15 states. [2018-11-10 08:53:23,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:23,713 INFO L93 Difference]: Finished difference Result 13452 states and 14967 transitions. [2018-11-10 08:53:23,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-10 08:53:23,713 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 681 [2018-11-10 08:53:23,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:23,727 INFO L225 Difference]: With dead ends: 13452 [2018-11-10 08:53:23,727 INFO L226 Difference]: Without dead ends: 7207 [2018-11-10 08:53:23,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 704 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1427, Unknown=0, NotChecked=0, Total=1806 [2018-11-10 08:53:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2018-11-10 08:53:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 6620. [2018-11-10 08:53:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6620 states. [2018-11-10 08:53:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6620 states to 6620 states and 7236 transitions. [2018-11-10 08:53:23,846 INFO L78 Accepts]: Start accepts. Automaton has 6620 states and 7236 transitions. Word has length 681 [2018-11-10 08:53:23,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:23,847 INFO L481 AbstractCegarLoop]: Abstraction has 6620 states and 7236 transitions. [2018-11-10 08:53:23,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 08:53:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6620 states and 7236 transitions. [2018-11-10 08:53:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2018-11-10 08:53:23,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:23,855 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:53:23,855 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:23,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:23,856 INFO L82 PathProgramCache]: Analyzing trace with hash 44061272, now seen corresponding path program 1 times [2018-11-10 08:53:23,856 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:23,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:23,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:23,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:23,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 846 proven. 2 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2018-11-10 08:53:24,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:24,639 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:24,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:24,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 846 proven. 2 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2018-11-10 08:53:25,151 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:25,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 08:53:25,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 08:53:25,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 08:53:25,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:53:25,153 INFO L87 Difference]: Start difference. First operand 6620 states and 7236 transitions. Second operand 9 states. [2018-11-10 08:53:26,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:26,255 INFO L93 Difference]: Finished difference Result 13905 states and 16074 transitions. [2018-11-10 08:53:26,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 08:53:26,255 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 840 [2018-11-10 08:53:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:26,276 INFO L225 Difference]: With dead ends: 13905 [2018-11-10 08:53:26,276 INFO L226 Difference]: Without dead ends: 7288 [2018-11-10 08:53:26,287 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 849 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2018-11-10 08:53:26,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7288 states. [2018-11-10 08:53:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7288 to 6856. [2018-11-10 08:53:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6856 states. [2018-11-10 08:53:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6856 states to 6856 states and 7485 transitions. [2018-11-10 08:53:26,388 INFO L78 Accepts]: Start accepts. Automaton has 6856 states and 7485 transitions. Word has length 840 [2018-11-10 08:53:26,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:26,389 INFO L481 AbstractCegarLoop]: Abstraction has 6856 states and 7485 transitions. [2018-11-10 08:53:26,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 08:53:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 6856 states and 7485 transitions. [2018-11-10 08:53:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2018-11-10 08:53:26,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:26,394 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 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, 3, 3, 3, 3, 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] [2018-11-10 08:53:26,394 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:26,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:26,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1117645179, now seen corresponding path program 1 times [2018-11-10 08:53:26,395 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:26,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:26,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:26,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:26,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:26,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2308 backedges. 897 proven. 43 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2018-11-10 08:53:26,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:26,772 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:26,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:26,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2308 backedges. 897 proven. 43 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2018-11-10 08:53:27,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:53:27,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-11-10 08:53:27,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 08:53:27,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 08:53:27,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-10 08:53:27,293 INFO L87 Difference]: Start difference. First operand 6856 states and 7485 transitions. Second operand 10 states. [2018-11-10 08:53:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:53:28,452 INFO L93 Difference]: Finished difference Result 15732 states and 17349 transitions. [2018-11-10 08:53:28,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 08:53:28,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 843 [2018-11-10 08:53:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:53:28,471 INFO L225 Difference]: With dead ends: 15732 [2018-11-10 08:53:28,472 INFO L226 Difference]: Without dead ends: 9067 [2018-11-10 08:53:28,480 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 847 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-11-10 08:53:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9067 states. [2018-11-10 08:53:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9067 to 8122. [2018-11-10 08:53:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8122 states. [2018-11-10 08:53:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8122 states to 8122 states and 8974 transitions. [2018-11-10 08:53:28,598 INFO L78 Accepts]: Start accepts. Automaton has 8122 states and 8974 transitions. Word has length 843 [2018-11-10 08:53:28,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:53:28,599 INFO L481 AbstractCegarLoop]: Abstraction has 8122 states and 8974 transitions. [2018-11-10 08:53:28,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 08:53:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8122 states and 8974 transitions. [2018-11-10 08:53:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2018-11-10 08:53:28,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:53:28,609 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2018-11-10 08:53:28,609 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:53:28,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:53:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash 105404756, now seen corresponding path program 1 times [2018-11-10 08:53:28,610 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:53:28,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:53:28,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:28,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:28,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:53:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2590 backedges. 487 proven. 1383 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-11-10 08:53:30,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:53:30,502 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 08:53:30,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:53:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:53:30,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 08:53:39,821 WARN L179 SmtUtils]: Spent 8.73 s on a formula simplification. DAG size of input: 864 DAG size of output: 28 [2018-11-10 08:55:32,741 WARN L179 SmtUtils]: Spent 1.87 m on a formula simplification. DAG size of input: 1017 DAG size of output: 223 [2018-11-10 08:55:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2590 backedges. 1263 proven. 170 refuted. 0 times theorem prover too weak. 1157 trivial. 0 not checked. [2018-11-10 08:55:33,628 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 08:55:33,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10] total 27 [2018-11-10 08:55:33,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-10 08:55:33,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-10 08:55:33,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2018-11-10 08:55:33,630 INFO L87 Difference]: Start difference. First operand 8122 states and 8974 transitions. Second operand 27 states. [2018-11-10 08:57:33,316 WARN L179 SmtUtils]: Spent 1.93 m on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2018-11-10 08:57:35,747 WARN L179 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2018-11-10 08:57:37,147 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-11-10 08:57:37,954 WARN L179 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 41 [2018-11-10 08:59:21,423 WARN L179 SmtUtils]: Spent 1.72 m on a formula simplification. DAG size of input: 274 DAG size of output: 245 [2018-11-10 09:00:25,298 WARN L179 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 271 DAG size of output: 236 [2018-11-10 09:00:35,382 WARN L179 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2018-11-10 09:00:36,771 WARN L179 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-10 09:01:34,913 WARN L179 SmtUtils]: Spent 56.58 s on a formula simplification that was a NOOP. DAG size: 262 [2018-11-10 09:01:54,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:01:54,724 INFO L93 Difference]: Finished difference Result 19160 states and 21315 transitions. [2018-11-10 09:01:54,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-11-10 09:01:54,724 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 962 [2018-11-10 09:01:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:01:54,749 INFO L225 Difference]: With dead ends: 19160 [2018-11-10 09:01:54,749 INFO L226 Difference]: Without dead ends: 11024 [2018-11-10 09:01:54,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1010 SyntacticMatches, 3 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4852 ImplicationChecksByTransitivity, 469.3s TimeCoverageRelationStatistics Valid=2037, Invalid=12243, Unknown=0, NotChecked=0, Total=14280 [2018-11-10 09:01:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11024 states. [2018-11-10 09:01:54,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11024 to 10002. [2018-11-10 09:01:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10002 states. [2018-11-10 09:01:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10002 states to 10002 states and 11019 transitions. [2018-11-10 09:01:54,911 INFO L78 Accepts]: Start accepts. Automaton has 10002 states and 11019 transitions. Word has length 962 [2018-11-10 09:01:54,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:01:54,912 INFO L481 AbstractCegarLoop]: Abstraction has 10002 states and 11019 transitions. [2018-11-10 09:01:54,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-10 09:01:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 10002 states and 11019 transitions. [2018-11-10 09:01:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2018-11-10 09:01:54,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:01:54,920 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:01:54,920 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:01:54,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:01:54,921 INFO L82 PathProgramCache]: Analyzing trace with hash -367476460, now seen corresponding path program 1 times [2018-11-10 09:01:54,921 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:01:54,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:01:54,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:01:54,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:01:54,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:01:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:01:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 1191 proven. 1226 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2018-11-10 09:01:56,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:01:56,127 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 09:01:56,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:01:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:01:56,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:01:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2018-11-10 09:01:56,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 09:01:56,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2018-11-10 09:01:56,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 09:01:56,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 09:01:56,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-11-10 09:01:56,677 INFO L87 Difference]: Start difference. First operand 10002 states and 11019 transitions. Second operand 15 states. [2018-11-10 09:01:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:01:58,515 INFO L93 Difference]: Finished difference Result 20281 states and 22999 transitions. [2018-11-10 09:01:58,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-10 09:01:58,515 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1060 [2018-11-10 09:01:58,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:01:58,541 INFO L225 Difference]: With dead ends: 20281 [2018-11-10 09:01:58,541 INFO L226 Difference]: Without dead ends: 10262 [2018-11-10 09:01:58,557 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1113 GetRequests, 1079 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=963, Unknown=0, NotChecked=0, Total=1260 [2018-11-10 09:01:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10262 states. [2018-11-10 09:01:58,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10262 to 9844. [2018-11-10 09:01:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9844 states. [2018-11-10 09:01:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9844 states to 9844 states and 10759 transitions. [2018-11-10 09:01:58,722 INFO L78 Accepts]: Start accepts. Automaton has 9844 states and 10759 transitions. Word has length 1060 [2018-11-10 09:01:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:01:58,722 INFO L481 AbstractCegarLoop]: Abstraction has 9844 states and 10759 transitions. [2018-11-10 09:01:58,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 09:01:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9844 states and 10759 transitions. [2018-11-10 09:01:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2018-11-10 09:01:58,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:01:58,731 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2018-11-10 09:01:58,731 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:01:58,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:01:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1847014024, now seen corresponding path program 1 times [2018-11-10 09:01:58,732 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:01:58,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:01:58,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:01:58,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:01:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:01:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:01:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3450 backedges. 630 proven. 1508 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2018-11-10 09:01:59,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:01:59,852 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 09:01:59,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:02:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:02:00,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:03:11,675 WARN L179 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 305 DAG size of output: 133 [2018-11-10 09:03:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3450 backedges. 1538 proven. 96 refuted. 0 times theorem prover too weak. 1816 trivial. 0 not checked. [2018-11-10 09:03:12,176 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 09:03:12,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 21 [2018-11-10 09:03:12,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-10 09:03:12,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-10 09:03:12,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-11-10 09:03:12,177 INFO L87 Difference]: Start difference. First operand 9844 states and 10759 transitions. Second operand 21 states. [2018-11-10 09:04:51,453 WARN L179 SmtUtils]: Spent 1.63 m on a formula simplification. DAG size of input: 143 DAG size of output: 129 [2018-11-10 09:05:22,718 WARN L179 SmtUtils]: Spent 30.57 s on a formula simplification that was a NOOP. DAG size: 138 [2018-11-10 09:05:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:05:28,634 INFO L93 Difference]: Finished difference Result 19898 states and 22435 transitions. [2018-11-10 09:05:28,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-10 09:05:28,635 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1096 [2018-11-10 09:05:28,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:05:28,652 INFO L225 Difference]: With dead ends: 19898 [2018-11-10 09:05:28,652 INFO L226 Difference]: Without dead ends: 9126 [2018-11-10 09:05:28,668 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1135 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1611 ImplicationChecksByTransitivity, 200.7s TimeCoverageRelationStatistics Valid=966, Invalid=4004, Unknown=0, NotChecked=0, Total=4970 [2018-11-10 09:05:28,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9126 states. [2018-11-10 09:05:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9126 to 8758. [2018-11-10 09:05:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8758 states. [2018-11-10 09:05:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8758 states to 8758 states and 9422 transitions. [2018-11-10 09:05:28,821 INFO L78 Accepts]: Start accepts. Automaton has 8758 states and 9422 transitions. Word has length 1096 [2018-11-10 09:05:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:05:28,822 INFO L481 AbstractCegarLoop]: Abstraction has 8758 states and 9422 transitions. [2018-11-10 09:05:28,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-10 09:05:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 8758 states and 9422 transitions. [2018-11-10 09:05:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1137 [2018-11-10 09:05:28,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:05:28,835 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:05:28,835 INFO L424 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:05:28,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:05:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash -858361036, now seen corresponding path program 1 times [2018-11-10 09:05:28,836 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:05:28,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:05:28,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:28,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:28,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4021 backedges. 1182 proven. 1846 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-11-10 09:05:31,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:05:31,204 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/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 [2018-11-10 09:05:31,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:31,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:05:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4021 backedges. 1262 proven. 2 refuted. 0 times theorem prover too weak. 2757 trivial. 0 not checked. [2018-11-10 09:05:31,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 09:05:31,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-10 09:05:31,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-10 09:05:31,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-10 09:05:31,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-11-10 09:05:31,774 INFO L87 Difference]: Start difference. First operand 8758 states and 9422 transitions. Second operand 20 states. [2018-11-10 09:05:34,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:05:34,940 INFO L93 Difference]: Finished difference Result 15752 states and 16962 transitions. [2018-11-10 09:05:34,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-10 09:05:34,941 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1136 [2018-11-10 09:05:34,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:05:34,951 INFO L225 Difference]: With dead ends: 15752 [2018-11-10 09:05:34,952 INFO L226 Difference]: Without dead ends: 6918 [2018-11-10 09:05:34,964 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1225 GetRequests, 1165 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=614, Invalid=2926, Unknown=0, NotChecked=0, Total=3540 [2018-11-10 09:05:34,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6918 states. [2018-11-10 09:05:35,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6469. [2018-11-10 09:05:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6469 states. [2018-11-10 09:05:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6469 states to 6469 states and 6662 transitions. [2018-11-10 09:05:35,042 INFO L78 Accepts]: Start accepts. Automaton has 6469 states and 6662 transitions. Word has length 1136 [2018-11-10 09:05:35,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:05:35,043 INFO L481 AbstractCegarLoop]: Abstraction has 6469 states and 6662 transitions. [2018-11-10 09:05:35,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-10 09:05:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 6469 states and 6662 transitions. [2018-11-10 09:05:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1545 [2018-11-10 09:05:35,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:05:35,057 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:05:35,057 INFO L424 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:05:35,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:05:35,058 INFO L82 PathProgramCache]: Analyzing trace with hash 645249060, now seen corresponding path program 1 times [2018-11-10 09:05:35,058 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:05:35,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:05:35,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:35,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:35,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7256 backedges. 1284 proven. 3634 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-11-10 09:05:37,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:05:37,438 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 09:05:37,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:37,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:05:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7256 backedges. 4024 proven. 2 refuted. 0 times theorem prover too weak. 3230 trivial. 0 not checked. [2018-11-10 09:05:38,209 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 09:05:38,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-10 09:05:38,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 09:05:38,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 09:05:38,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-10 09:05:38,211 INFO L87 Difference]: Start difference. First operand 6469 states and 6662 transitions. Second operand 19 states. [2018-11-10 09:05:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:05:40,889 INFO L93 Difference]: Finished difference Result 11263 states and 11786 transitions. [2018-11-10 09:05:40,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-10 09:05:40,889 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1544 [2018-11-10 09:05:40,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:05:40,897 INFO L225 Difference]: With dead ends: 11263 [2018-11-10 09:05:40,898 INFO L226 Difference]: Without dead ends: 6632 [2018-11-10 09:05:40,901 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1627 GetRequests, 1572 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=676, Invalid=2294, Unknown=0, NotChecked=0, Total=2970 [2018-11-10 09:05:40,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2018-11-10 09:05:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 6459. [2018-11-10 09:05:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6459 states. [2018-11-10 09:05:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6459 states to 6459 states and 6621 transitions. [2018-11-10 09:05:40,984 INFO L78 Accepts]: Start accepts. Automaton has 6459 states and 6621 transitions. Word has length 1544 [2018-11-10 09:05:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:05:40,985 INFO L481 AbstractCegarLoop]: Abstraction has 6459 states and 6621 transitions. [2018-11-10 09:05:40,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 09:05:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6459 states and 6621 transitions. [2018-11-10 09:05:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1927 [2018-11-10 09:05:41,003 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:05:41,004 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-11-10 09:05:41,004 INFO L424 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:05:41,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:05:41,005 INFO L82 PathProgramCache]: Analyzing trace with hash -240694276, now seen corresponding path program 1 times [2018-11-10 09:05:41,005 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:05:41,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:05:41,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:41,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:41,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 11394 backedges. 4797 proven. 4146 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2018-11-10 09:05:44,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:05:44,618 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 09:05:44,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:44,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:05:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 11394 backedges. 5136 proven. 2 refuted. 0 times theorem prover too weak. 6256 trivial. 0 not checked. [2018-11-10 09:05:45,736 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 09:05:45,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-10 09:05:45,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-10 09:05:45,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-10 09:05:45,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2018-11-10 09:05:45,739 INFO L87 Difference]: Start difference. First operand 6459 states and 6621 transitions. Second operand 20 states. [2018-11-10 09:05:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:05:48,702 INFO L93 Difference]: Finished difference Result 10712 states and 11089 transitions. [2018-11-10 09:05:48,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-10 09:05:48,702 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1926 [2018-11-10 09:05:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:05:48,708 INFO L225 Difference]: With dead ends: 10712 [2018-11-10 09:05:48,708 INFO L226 Difference]: Without dead ends: 6091 [2018-11-10 09:05:48,711 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2018 GetRequests, 1962 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=669, Invalid=2637, Unknown=0, NotChecked=0, Total=3306 [2018-11-10 09:05:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6091 states. [2018-11-10 09:05:48,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6091 to 5930. [2018-11-10 09:05:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5930 states. [2018-11-10 09:05:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5930 states to 5930 states and 6060 transitions. [2018-11-10 09:05:48,778 INFO L78 Accepts]: Start accepts. Automaton has 5930 states and 6060 transitions. Word has length 1926 [2018-11-10 09:05:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:05:48,778 INFO L481 AbstractCegarLoop]: Abstraction has 5930 states and 6060 transitions. [2018-11-10 09:05:48,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-10 09:05:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5930 states and 6060 transitions. [2018-11-10 09:05:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1975 [2018-11-10 09:05:48,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:05:48,797 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2018-11-10 09:05:48,797 INFO L424 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:05:48,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:05:48,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1444452700, now seen corresponding path program 1 times [2018-11-10 09:05:48,797 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 09:05:48,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 09:05:48,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:48,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:48,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:05:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11854 backedges. 6191 proven. 1608 refuted. 0 times theorem prover too weak. 4055 trivial. 0 not checked. [2018-11-10 09:05:51,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 09:05:51,867 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 09:05:51,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:05:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:05:52,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 09:05:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11854 backedges. 1748 proven. 2 refuted. 0 times theorem prover too weak. 10104 trivial. 0 not checked. [2018-11-10 09:05:53,113 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 09:05:53,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5] total 21 [2018-11-10 09:05:53,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-10 09:05:53,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-10 09:05:53,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-11-10 09:05:53,115 INFO L87 Difference]: Start difference. First operand 5930 states and 6060 transitions. Second operand 21 states. [2018-11-10 09:05:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:05:56,232 INFO L93 Difference]: Finished difference Result 8167 states and 8400 transitions. [2018-11-10 09:05:56,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-10 09:05:56,233 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1974 [2018-11-10 09:05:56,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:05:56,234 INFO L225 Difference]: With dead ends: 8167 [2018-11-10 09:05:56,234 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 09:05:56,239 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2056 GetRequests, 1998 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=577, Invalid=2615, Unknown=0, NotChecked=0, Total=3192 [2018-11-10 09:05:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 09:05:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 09:05:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 09:05:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 09:05:56,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1974 [2018-11-10 09:05:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:05:56,240 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 09:05:56,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-10 09:05:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 09:05:56,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:05:56,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 09:05:56,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:56,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:57,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,409 WARN L179 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1079 DAG size of output: 810 [2018-11-10 09:05:58,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:58,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 09:05:59,957 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1079 DAG size of output: 810 [2018-11-10 09:06:01,656 WARN L179 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 406 DAG size of output: 156 [2018-11-10 09:06:06,465 WARN L179 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 778 DAG size of output: 130 [2018-11-10 09:06:11,262 WARN L179 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 778 DAG size of output: 130 [2018-11-10 09:06:11,263 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-10 09:06:11,264 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,265 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-10 09:06:11,266 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-10 09:06:11,267 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,268 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-10 09:06:11,269 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse8 (= 6 |old(~a21~0)|))) (let ((.cse16 (= 8 ~a15~0)) (.cse11 (< 6 |old(~a15~0)|)) (.cse4 (< 11 |old(~a12~0)|)) (.cse23 (not .cse8)) (.cse15 (= 1 ~a24~0)) (.cse21 (= ~a24~0 |old(~a24~0)|)) (.cse22 (= ~a21~0 |old(~a21~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse17 (= |old(~a12~0)| ~a12~0)) (.cse30 (= 6 ~a21~0))) (let ((.cse2 (not (= 7 |old(~a21~0)|))) (.cse12 (< |old(~a21~0)| 10)) (.cse19 (not (= 6 |old(~a15~0)|))) (.cse9 (not .cse30)) (.cse13 (and .cse21 .cse22 .cse18 .cse17)) (.cse28 (<= ~a12~0 11)) (.cse24 (not (= 5 |old(~a15~0)|))) (.cse26 (< 0 (+ |old(~a12~0)| 49))) (.cse25 (<= (+ ~a12~0 49) 0)) (.cse6 (not (= 9 |old(~a15~0)|))) (.cse7 (<= |old(~a12~0)| 80)) (.cse5 (and .cse22 .cse15 (= 9 ~a15~0) .cse17)) (.cse29 (or (or .cse11 .cse4) .cse23)) (.cse10 (not (= 7 |old(~a15~0)|))) (.cse20 (and .cse22 .cse18 .cse15 .cse17)) (.cse27 (not (= 8 |old(~a21~0)|))) (.cse14 (< 73282 |old(~a12~0)|)) (.cse31 (not (= 9 |old(~a21~0)|))) (.cse0 (and .cse22 .cse15 .cse16 .cse17)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse1 (not (= |old(~a15~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse13 .cse14) (or (not (= 10 |old(~a21~0)|)) (or .cse3 .cse1 (forall ((v_prenex_120 Int)) (or (< (+ (mod v_prenex_120 299959) 300039) |old(~a12~0)|) (< v_prenex_120 0) (<= v_prenex_120 80)))) (and .cse15 .cse16 (= 10 ~a21~0) .cse17)) (or .cse10 .cse18) (or .cse19 .cse18) (or .cse20 .cse11 .cse12 .cse3) (or .cse6 .cse12 .cse3 .cse4 .cse5) (or .cse2 .cse11 (and (<= ~a12~0 |old(~a12~0)|) .cse21 .cse22 .cse18) .cse3) (or .cse6 .cse12 .cse3 .cse7 .cse5) (or .cse23 (< |old(~a12~0)| 526013) .cse3 .cse24 .cse20) (or .cse25 .cse19 .cse26) (or .cse6 .cse3 .cse5 (< 72 |old(~a12~0)|) .cse27) (or .cse28 .cse19 .cse4) (or (< 599997 |old(~a12~0)|) .cse23 (<= (+ |old(~a12~0)| 43) 0) .cse3 .cse1 .cse0) (or .cse23 .cse6 .cse3 .cse5 .cse7) (or .cse19 .cse8 .cse9) (or .cse13 .cse11 (and (not (= |old(~a21~0)| 9)) .cse27)) (or .cse28 .cse4 .cse10) (or .cse3 .cse24 .cse4 (and .cse21 .cse18)) (or .cse29 .cse3 .cse24 (and .cse30 .cse17)) (or .cse26 .cse10 .cse25) (or (<= |old(~a12~0)| 22) (< 76 |old(~a12~0)|) (and .cse17 (= |old(~a21~0)| ~a21~0) .cse18 .cse15) .cse1 .cse31 .cse3) (or .cse31 .cse6 .cse3 .cse5 .cse7) (or .cse6 .cse3 .cse7 .cse5 .cse27) (or (and .cse17 .cse21 .cse22 (= ~a15~0 |old(~a15~0)|)) .cse29 (< 0 (+ |old(~a12~0)| 45156))) (or .cse31 (= 9 ~a21~0) .cse10) (or .cse8 .cse11 .cse3 .cse14 .cse20) (or .cse1 .cse27 .cse3 .cse14 .cse0) (or .cse31 .cse0 .cse3 .cse4 .cse1))))) [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,270 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-10 09:06:11,271 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-10 09:06:11,272 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-10 09:06:11,273 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,274 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-10 09:06:11,275 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-10 09:06:11,276 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 09:06:11,277 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,278 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 09:06:11,279 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-10 09:06:11,280 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-10 09:06:11,280 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 09:06:11,280 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-10 09:06:11,280 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 09:06:11,280 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 09:06:11,280 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (and (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 1 |old(~a24~0)|))) [2018-11-10 09:06:11,280 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-10 09:06:11,280 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (not (= 8 |old(~a15~0)|))) (.cse19 (not (= 1 |old(~a24~0)|)))) (let ((.cse15 (= 6 ~a21~0)) (.cse10 (<= ~a15~0 6)) (.cse21 (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse4 .cse19)) (.cse22 (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)))) (let ((.cse13 (= 1 ~a24~0)) (.cse20 (and .cse15 (and .cse10 .cse21 .cse22))) (.cse6 (<= ~a12~0 11)) (.cse12 (and .cse10 (not .cse15)))) (let ((.cse8 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 7 ~a21~0)) (.cse16 (and .cse21 .cse22 .cse12)) (.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse5 (<= 10 ~a21~0)) (.cse14 (= ~a15~0 |old(~a15~0)|)) (.cse3 (< 80 ~a12~0)) (.cse17 (and .cse20 .cse6)) (.cse9 (<= ~a12~0 73282)) (.cse7 (and (= 8 ~a21~0) .cse13)) (.cse18 (= 5 ~a15~0)) (.cse11 (= 9 ~a21~0)) (.cse2 (= 9 ~a15~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) .cse4 (and (and (and .cse5 .cse6) .cse1) .cse2) (= 7 ~a15~0) (= 6 ~a15~0) (and .cse7 .cse3 .cse2) (and (exists ((v_prenex_120 Int)) (and (<= 0 v_prenex_120) (< 80 v_prenex_120) (<= ~a12~0 (+ (mod v_prenex_120 299959) 300039)))) .cse1 (= 10 ~a21~0) .cse8) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse1 (= ~a21~0 8) .cse8) (and .cse10 .cse11) (and .cse12 .cse0 .cse13) (< 0 (+ |old(~a12~0)| 49)) (and .cse13 (and .cse0 (<= ~a15~0 8)) .cse6) (and (<= ~a12~0 599997) (and (and .cse13 .cse14) .cse15) (< 0 (+ ~a12~0 43))) (and .cse9 .cse5 .cse16) (and (and .cse1 .cse5) .cse3 .cse2) (and (and .cse16 .cse1) .cse5) (and (and .cse11 .cse14) .cse13 .cse6) (and (and (<= ~a12~0 76) (< 22 ~a12~0) .cse11) .cse13 (= 8 ~a15~0)) (and (<= (+ ~a12~0 45156) 0) .cse17) (and (and .cse13 .cse15) .cse3 .cse2) (and .cse13 .cse17 .cse18) (and .cse9 .cse13 .cse12) .cse19 (and .cse7 (<= ~a12~0 72) .cse2) (and (<= 526013 ~a12~0) .cse13 .cse20 .cse18) (and (and (<= 81 ~a12~0) (and .cse13 .cse11)) .cse2)))))) [2018-11-10 09:06:11,281 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-10 09:06:11,281 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-10 09:06:11,281 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-10 09:06:11,281 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse4 (not (= 8 |old(~a15~0)|))) (.cse19 (not (= 1 |old(~a24~0)|)))) (let ((.cse15 (= 6 ~a21~0)) (.cse10 (<= ~a15~0 6)) (.cse21 (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse4 .cse19)) (.cse22 (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)))) (let ((.cse13 (= 1 ~a24~0)) (.cse20 (and .cse15 (and .cse10 .cse21 .cse22))) (.cse6 (<= ~a12~0 11)) (.cse12 (and .cse10 (not .cse15)))) (let ((.cse8 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 7 ~a21~0)) (.cse16 (and .cse21 .cse22 .cse12)) (.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse5 (<= 10 ~a21~0)) (.cse14 (= ~a15~0 |old(~a15~0)|)) (.cse3 (< 80 ~a12~0)) (.cse17 (and .cse20 .cse6)) (.cse9 (<= ~a12~0 73282)) (.cse7 (and (= 8 ~a21~0) .cse13)) (.cse18 (= 5 ~a15~0)) (.cse11 (= 9 ~a21~0)) (.cse2 (= 9 ~a15~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) .cse4 (and (and (and .cse5 .cse6) .cse1) .cse2) (= 7 ~a15~0) (= 6 ~a15~0) (and .cse7 .cse3 .cse2) (and (exists ((v_prenex_120 Int)) (and (<= 0 v_prenex_120) (< 80 v_prenex_120) (<= ~a12~0 (+ (mod v_prenex_120 299959) 300039)))) .cse1 (= 10 ~a21~0) .cse8) (not (= 7 |old(~a21~0)|)) (and .cse9 .cse1 (= ~a21~0 8) .cse8) (and .cse10 .cse11) (and .cse12 .cse0 .cse13) (< 0 (+ |old(~a12~0)| 49)) (and .cse13 (and .cse0 (<= ~a15~0 8)) .cse6) (and (<= ~a12~0 599997) (and (and .cse13 .cse14) .cse15) (< 0 (+ ~a12~0 43))) (and .cse9 .cse5 .cse16) (and (and .cse1 .cse5) .cse3 .cse2) (and (and .cse16 .cse1) .cse5) (and (and .cse11 .cse14) .cse13 .cse6) (and (and (<= ~a12~0 76) (< 22 ~a12~0) .cse11) .cse13 (= 8 ~a15~0)) (and (<= (+ ~a12~0 45156) 0) .cse17) (and (and .cse13 .cse15) .cse3 .cse2) (and .cse13 .cse17 .cse18) (and .cse9 .cse13 .cse12) .cse19 (and .cse7 (<= ~a12~0 72) .cse2) (and (<= 526013 ~a12~0) .cse13 .cse20 .cse18) (and (and (<= 81 ~a12~0) (and .cse13 .cse11)) .cse2)))))) [2018-11-10 09:06:11,281 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-10 09:06:11,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,314 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:06:11 BoogieIcfgContainer [2018-11-10 09:06:11,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 09:06:11,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:06:11,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:06:11,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:06:11,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:52:57" (3/4) ... [2018-11-10 09:06:11,332 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:06:11,342 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 09:06:11,342 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 09:06:11,342 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 09:06:11,356 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 09:06:11,357 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 09:06:11,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((7 == a21 && a24 == \old(a24)) && 9 == a15) && 80 < a12) || !(8 == \old(a15))) || (((10 <= a21 && a12 <= 11) && a24 == \old(a24)) && 9 == a15)) || 7 == a15) || 6 == a15) || (((8 == a21 && 1 == a24) && 80 < a12) && 9 == a15)) || ((((\exists v_prenex_120 : int :: (0 <= v_prenex_120 && 80 < v_prenex_120) && a12 <= v_prenex_120 % 299959 + 300039) && a24 == \old(a24)) && 10 == a21) && \old(a15) == a15)) || !(7 == \old(a21))) || (((a12 <= 73282 && a24 == \old(a24)) && a21 == 8) && \old(a15) == a15)) || (a15 <= 6 && 9 == a21)) || (((a15 <= 6 && !(6 == a21)) && 7 == a21) && 1 == a24)) || 0 < \old(a12) + 49) || ((1 == a24 && 7 == a21 && a15 <= 8) && a12 <= 11)) || ((a12 <= 599997 && (1 == a24 && a15 == \old(a15)) && 6 == a21) && 0 < a12 + 43)) || ((a12 <= 73282 && 10 <= a21) && ((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21))) || (((a24 == \old(a24) && 10 <= a21) && 80 < a12) && 9 == a15)) || (((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && a24 == \old(a24)) && 10 <= a21)) || (((9 == a21 && a15 == \old(a15)) && 1 == a24) && a12 <= 11)) || ((((a12 <= 76 && 22 < a12) && 9 == a21) && 1 == a24) && 8 == a15)) || (a12 + 45156 <= 0 && (6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a12 <= 11)) || (((1 == a24 && 6 == a21) && 80 < a12) && 9 == a15)) || ((1 == a24 && (6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a12 <= 11) && 5 == a15)) || ((a12 <= 73282 && 1 == a24) && a15 <= 6 && !(6 == a21))) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && a12 <= 72) && 9 == a15)) || (((526013 <= a12 && 1 == a24) && 6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && 5 == a15)) || ((81 <= a12 && 1 == a24 && 9 == a21) && 9 == a15) [2018-11-10 09:06:11,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f10cfa13-2752-4375-b576-d7e851c9751a/bin-2019/uautomizer/witness.graphml [2018-11-10 09:06:11,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:06:11,449 INFO L168 Benchmark]: Toolchain (without parser) took 795349.27 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 956.5 MB in the beginning and 1.6 GB in the end (delta: -676.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-10 09:06:11,450 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:06:11,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:06:11,450 INFO L168 Benchmark]: Boogie Preprocessor took 119.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:06:11,450 INFO L168 Benchmark]: RCFGBuilder took 949.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:06:11,450 INFO L168 Benchmark]: TraceAbstraction took 793779.17 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -624.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-10 09:06:11,451 INFO L168 Benchmark]: Witness Printer took 120.31 ms. Allocated memory is still 4.3 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:06:11,452 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.33 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -214.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 949.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 119.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 793779.17 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -624.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 120.31 ms. Allocated memory is still 4.3 GB. Free memory is still 1.6 GB. There was no memory consumed. 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_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: 880]: Loop Invariant [2018-11-10 09:06:11,455 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,455 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,455 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,457 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,457 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] [2018-11-10 09:06:11,457 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_120,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((7 == a21 && a24 == \old(a24)) && 9 == a15) && 80 < a12) || !(8 == \old(a15))) || (((10 <= a21 && a12 <= 11) && a24 == \old(a24)) && 9 == a15)) || 7 == a15) || 6 == a15) || (((8 == a21 && 1 == a24) && 80 < a12) && 9 == a15)) || ((((\exists v_prenex_120 : int :: (0 <= v_prenex_120 && 80 < v_prenex_120) && a12 <= v_prenex_120 % 299959 + 300039) && a24 == \old(a24)) && 10 == a21) && \old(a15) == a15)) || !(7 == \old(a21))) || (((a12 <= 73282 && a24 == \old(a24)) && a21 == 8) && \old(a15) == a15)) || (a15 <= 6 && 9 == a21)) || (((a15 <= 6 && !(6 == a21)) && 7 == a21) && 1 == a24)) || 0 < \old(a12) + 49) || ((1 == a24 && 7 == a21 && a15 <= 8) && a12 <= 11)) || ((a12 <= 599997 && (1 == a24 && a15 == \old(a15)) && 6 == a21) && 0 < a12 + 43)) || ((a12 <= 73282 && 10 <= a21) && ((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21))) || (((a24 == \old(a24) && 10 <= a21) && 80 < a12) && 9 == a15)) || (((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a15 <= 6 && !(6 == a21)) && a24 == \old(a24)) && 10 <= a21)) || (((9 == a21 && a15 == \old(a15)) && 1 == a24) && a12 <= 11)) || ((((a12 <= 76 && 22 < a12) && 9 == a21) && 1 == a24) && 8 == a15)) || (a12 + 45156 <= 0 && (6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a12 <= 11)) || (((1 == a24 && 6 == a21) && 80 < a12) && 9 == a15)) || ((1 == a24 && (6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && a12 <= 11) && 5 == a15)) || ((a12 <= 73282 && 1 == a24) && a15 <= 6 && !(6 == a21))) || !(1 == \old(a24))) || (((8 == a21 && 1 == a24) && a12 <= 72) && 9 == a15)) || (((526013 <= a12 && 1 == a24) && 6 == a21 && (a15 <= 6 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (80 < \old(a12) || \old(a12) + 43 <= 0)) && 5 == a15)) || ((81 <= a12 && 1 == a24 && 9 == a21) && 9 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 793.6s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 553.7s AutomataDifference, 0.0s DeadEndRemovalTime, 15.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1254 SDtfs, 64758 SDslu, 4543 SDs, 0 SdLazy, 76559 SolverSat, 8681 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 61.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15551 GetRequests, 14799 SyntacticMatches, 26 SemanticMatches, 726 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13754 ImplicationChecksByTransitivity, 679.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10002occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 6391 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 805 PreInvPairs, 1145 NumberOfFragments, 1809 HoareAnnotationTreeSize, 805 FomulaSimplifications, 6003855 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 674949 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 206.5s InterpolantComputationTime, 29089 NumberOfCodeBlocks, 29089 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 29055 ConstructedInterpolants, 66 QuantifiedInterpolants, 138149697 SizeOfPredicates, 16 NumberOfNonLiveVariables, 20412 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 90071/107583 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...