./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 5f1f3e9c958502587d73771213325403adeeeeae ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:35:29,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:35:29,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:35:29,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:35:29,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:35:29,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:35:29,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:35:29,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:35:29,680 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:35:29,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:35:29,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:35:29,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:35:29,683 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:35:29,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:35:29,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:35:29,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:35:29,685 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:35:29,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:35:29,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:35:29,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:35:29,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:35:29,691 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:35:29,692 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:35:29,693 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:35:29,693 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:35:29,693 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:35:29,694 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:35:29,695 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:35:29,695 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:35:29,696 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:35:29,696 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:35:29,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:35:29,697 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:35:29,697 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:35:29,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:35:29,698 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:35:29,698 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 08:35:29,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:35:29,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:35:29,709 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:35:29,709 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 08:35:29,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:35:29,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:35:29,709 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:35:29,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:35:29,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:35:29,711 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:35:29,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:35:29,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:35:29,712 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:35:29,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:35:29,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:35:29,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:35:29,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:35:29,712 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_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2018-11-18 08:35:29,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:35:29,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:35:29,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:35:29,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:35:29,747 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:35:29,748 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-18 08:35:29,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/data/d3e146be8/936084e6093c4ba5a7310cc65e3e34ae/FLAGbb2332eeb [2018-11-18 08:35:30,227 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:35:30,227 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-18 08:35:30,237 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/data/d3e146be8/936084e6093c4ba5a7310cc65e3e34ae/FLAGbb2332eeb [2018-11-18 08:35:30,249 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/data/d3e146be8/936084e6093c4ba5a7310cc65e3e34ae [2018-11-18 08:35:30,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:35:30,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:35:30,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:30,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:35:30,257 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:35:30,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30, skipping insertion in model container [2018-11-18 08:35:30,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:35:30,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:35:30,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:30,561 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:35:30,635 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:35:30,647 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:35:30,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30 WrapperNode [2018-11-18 08:35:30,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:35:30,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:35:30,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:35:30,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:35:30,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... [2018-11-18 08:35:30,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:35:30,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:35:30,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:35:30,758 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:35:30,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:35:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:35:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:35:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 08:35:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:35:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 08:35:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:35:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:35:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:35:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:35:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:35:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:35:31,595 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:35:31,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:31 BoogieIcfgContainer [2018-11-18 08:35:31,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:35:31,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:35:31,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:35:31,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:35:31,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:35:30" (1/3) ... [2018-11-18 08:35:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c4738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:35:31, skipping insertion in model container [2018-11-18 08:35:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:30" (2/3) ... [2018-11-18 08:35:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c4738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:35:31, skipping insertion in model container [2018-11-18 08:35:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:31" (3/3) ... [2018-11-18 08:35:31,601 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label59_true-unreach-call.c [2018-11-18 08:35:31,607 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:35:31,612 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:35:31,621 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:35:31,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:35:31,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:35:31,642 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:35:31,642 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:35:31,642 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:35:31,642 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:35:31,642 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:35:31,642 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:35:31,643 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:35:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 08:35:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 08:35:31,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:31,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:31,667 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:31,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:31,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1019321972, now seen corresponding path program 1 times [2018-11-18 08:35:31,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:31,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:31,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:31,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:31,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:31,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:31,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:35:31,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:35:31,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:35:31,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:35:31,918 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-11-18 08:35:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:32,770 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-11-18 08:35:32,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:35:32,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-11-18 08:35:32,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:35:32,782 INFO L225 Difference]: With dead ends: 737 [2018-11-18 08:35:32,782 INFO L226 Difference]: Without dead ends: 515 [2018-11-18 08:35:32,786 INFO L604 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 [2018-11-18 08:35:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-11-18 08:35:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-11-18 08:35:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 08:35:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-11-18 08:35:32,833 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 72 [2018-11-18 08:35:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:35:32,833 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-11-18 08:35:32,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:35:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-11-18 08:35:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 08:35:32,838 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:32,839 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:35:32,840 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:32,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:32,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1630388773, now seen corresponding path program 1 times [2018-11-18 08:35:32,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:32,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:32,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:32,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:32,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:33,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:35:33,054 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:35:33,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:33,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:33,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:35:33,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-18 08:35:33,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:35:33,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:35:33,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:35:33,172 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 8 states. [2018-11-18 08:35:34,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:34,454 INFO L93 Difference]: Finished difference Result 1638 states and 3151 transitions. [2018-11-18 08:35:34,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 08:35:34,455 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2018-11-18 08:35:34,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:35:34,467 INFO L225 Difference]: With dead ends: 1638 [2018-11-18 08:35:34,467 INFO L226 Difference]: Without dead ends: 1288 [2018-11-18 08:35:34,473 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2018-11-18 08:35:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2018-11-18 08:35:34,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1258. [2018-11-18 08:35:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1258 states. [2018-11-18 08:35:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 2002 transitions. [2018-11-18 08:35:34,533 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 2002 transitions. Word has length 143 [2018-11-18 08:35:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:35:34,534 INFO L480 AbstractCegarLoop]: Abstraction has 1258 states and 2002 transitions. [2018-11-18 08:35:34,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:35:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 2002 transitions. [2018-11-18 08:35:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 08:35:34,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:34,540 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:35:34,540 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:34,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:34,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1733767164, now seen corresponding path program 1 times [2018-11-18 08:35:34,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:34,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:34,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:34,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:34,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:34,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:34,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:35:34,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:35:34,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:35:34,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:35:34,657 INFO L87 Difference]: Start difference. First operand 1258 states and 2002 transitions. Second operand 6 states. [2018-11-18 08:35:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:35,412 INFO L93 Difference]: Finished difference Result 2771 states and 4557 transitions. [2018-11-18 08:35:35,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:35:35,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-18 08:35:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:35:35,418 INFO L225 Difference]: With dead ends: 2771 [2018-11-18 08:35:35,418 INFO L226 Difference]: Without dead ends: 1539 [2018-11-18 08:35:35,423 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:35:35,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2018-11-18 08:35:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1509. [2018-11-18 08:35:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-11-18 08:35:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2265 transitions. [2018-11-18 08:35:35,455 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2265 transitions. Word has length 154 [2018-11-18 08:35:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:35:35,455 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2265 transitions. [2018-11-18 08:35:35,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:35:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2265 transitions. [2018-11-18 08:35:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 08:35:35,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:35,459 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:35:35,460 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:35,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:35,460 INFO L82 PathProgramCache]: Analyzing trace with hash -809847816, now seen corresponding path program 1 times [2018-11-18 08:35:35,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:35,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:35,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:35,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:35,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:35,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:35:35,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:35:35,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:35:35,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:35:35,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:35:35,585 INFO L87 Difference]: Start difference. First operand 1509 states and 2265 transitions. Second operand 6 states. [2018-11-18 08:35:36,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:36,126 INFO L93 Difference]: Finished difference Result 3690 states and 5986 transitions. [2018-11-18 08:35:36,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:35:36,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2018-11-18 08:35:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:35:36,141 INFO L225 Difference]: With dead ends: 3690 [2018-11-18 08:35:36,141 INFO L226 Difference]: Without dead ends: 2187 [2018-11-18 08:35:36,148 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:35:36,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2018-11-18 08:35:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2117. [2018-11-18 08:35:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2117 states. [2018-11-18 08:35:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3187 transitions. [2018-11-18 08:35:36,217 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3187 transitions. Word has length 204 [2018-11-18 08:35:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:35:36,217 INFO L480 AbstractCegarLoop]: Abstraction has 2117 states and 3187 transitions. [2018-11-18 08:35:36,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:35:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3187 transitions. [2018-11-18 08:35:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 08:35:36,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:36,225 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:35:36,225 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:36,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:36,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1298522180, now seen corresponding path program 1 times [2018-11-18 08:35:36,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:36,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:36,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:36,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:36,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 130 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:35:36,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:35:36,338 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:35:36,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:36,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 08:35:36,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:35:36,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-18 08:35:36,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:35:36,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:35:36,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:35:36,507 INFO L87 Difference]: Start difference. First operand 2117 states and 3187 transitions. Second operand 9 states. [2018-11-18 08:35:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:35:38,631 INFO L93 Difference]: Finished difference Result 7325 states and 11863 transitions. [2018-11-18 08:35:38,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 08:35:38,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 224 [2018-11-18 08:35:38,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:35:38,654 INFO L225 Difference]: With dead ends: 7325 [2018-11-18 08:35:38,654 INFO L226 Difference]: Without dead ends: 5214 [2018-11-18 08:35:38,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2018-11-18 08:35:38,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2018-11-18 08:35:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5046. [2018-11-18 08:35:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5046 states. [2018-11-18 08:35:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 6591 transitions. [2018-11-18 08:35:38,797 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 6591 transitions. Word has length 224 [2018-11-18 08:35:38,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:35:38,797 INFO L480 AbstractCegarLoop]: Abstraction has 5046 states and 6591 transitions. [2018-11-18 08:35:38,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:35:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 6591 transitions. [2018-11-18 08:35:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 08:35:38,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:35:38,810 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 08:35:38,810 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:35:38,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:35:38,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1893058164, now seen corresponding path program 1 times [2018-11-18 08:35:38,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:35:38,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:35:38,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:38,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:38,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:35:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 134 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:39,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:35:39,001 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:35:39,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:35:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:35:39,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:35:48,927 WARN L180 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2018-11-18 08:35:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 133 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:35:49,008 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:35:49,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2018-11-18 08:35:49,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:35:49,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:35:49,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:35:49,009 INFO L87 Difference]: Start difference. First operand 5046 states and 6591 transitions. Second operand 12 states. [2018-11-18 08:35:53,140 WARN L180 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2018-11-18 08:35:55,152 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2018-11-18 08:36:00,643 WARN L180 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-11-18 08:36:06,581 WARN L180 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 55 [2018-11-18 08:36:16,100 WARN L180 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2018-11-18 08:36:22,333 WARN L180 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-18 08:36:24,383 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2018-11-18 08:36:33,443 WARN L180 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-18 08:36:34,834 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2018-11-18 08:36:38,867 WARN L180 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2018-11-18 08:36:40,912 WARN L180 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2018-11-18 08:36:49,865 WARN L180 SmtUtils]: Spent 8.01 s on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-11-18 08:36:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:51,045 INFO L93 Difference]: Finished difference Result 11965 states and 16303 transitions. [2018-11-18 08:36:51,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-18 08:36:51,046 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2018-11-18 08:36:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:51,070 INFO L225 Difference]: With dead ends: 11965 [2018-11-18 08:36:51,070 INFO L226 Difference]: Without dead ends: 6925 [2018-11-18 08:36:51,090 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 62.8s TimeCoverageRelationStatistics Valid=648, Invalid=2102, Unknown=6, NotChecked=0, Total=2756 [2018-11-18 08:36:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6925 states. [2018-11-18 08:36:51,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6925 to 6699. [2018-11-18 08:36:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6699 states. [2018-11-18 08:36:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6699 states to 6699 states and 8155 transitions. [2018-11-18 08:36:51,229 INFO L78 Accepts]: Start accepts. Automaton has 6699 states and 8155 transitions. Word has length 230 [2018-11-18 08:36:51,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:51,230 INFO L480 AbstractCegarLoop]: Abstraction has 6699 states and 8155 transitions. [2018-11-18 08:36:51,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:36:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 6699 states and 8155 transitions. [2018-11-18 08:36:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 08:36:51,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:51,239 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:51,239 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:51,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:51,239 INFO L82 PathProgramCache]: Analyzing trace with hash -353802736, now seen corresponding path program 1 times [2018-11-18 08:36:51,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:51,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:51,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:51,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:51,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 131 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 08:36:51,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:51,468 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:36:51,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:51,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:51,639 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:51,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 08:36:51,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 08:36:51,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 08:36:51,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 08:36:51,640 INFO L87 Difference]: Start difference. First operand 6699 states and 8155 transitions. Second operand 11 states. [2018-11-18 08:36:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:53,165 INFO L93 Difference]: Finished difference Result 18880 states and 23447 transitions. [2018-11-18 08:36:53,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 08:36:53,165 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2018-11-18 08:36:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:53,175 INFO L225 Difference]: With dead ends: 18880 [2018-11-18 08:36:53,175 INFO L226 Difference]: Without dead ends: 4590 [2018-11-18 08:36:53,193 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 241 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2018-11-18 08:36:53,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2018-11-18 08:36:53,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2988. [2018-11-18 08:36:53,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2988 states. [2018-11-18 08:36:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3348 transitions. [2018-11-18 08:36:53,253 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3348 transitions. Word has length 234 [2018-11-18 08:36:53,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:53,254 INFO L480 AbstractCegarLoop]: Abstraction has 2988 states and 3348 transitions. [2018-11-18 08:36:53,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 08:36:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3348 transitions. [2018-11-18 08:36:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 08:36:53,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:53,259 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:36:53,259 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:53,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:53,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1861263799, now seen corresponding path program 1 times [2018-11-18 08:36:53,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:53,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:53,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:53,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:53,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 130 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:36:53,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:53,401 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:36:53,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:53,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 08:36:53,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:36:53,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 08:36:53,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:36:53,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:36:53,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:36:53,505 INFO L87 Difference]: Start difference. First operand 2988 states and 3348 transitions. Second operand 6 states. [2018-11-18 08:36:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:53,921 INFO L93 Difference]: Finished difference Result 6140 states and 6886 transitions. [2018-11-18 08:36:53,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:36:53,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 247 [2018-11-18 08:36:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:53,926 INFO L225 Difference]: With dead ends: 6140 [2018-11-18 08:36:53,926 INFO L226 Difference]: Without dead ends: 3158 [2018-11-18 08:36:53,929 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 249 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:36:53,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2018-11-18 08:36:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3146. [2018-11-18 08:36:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3146 states. [2018-11-18 08:36:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 3516 transitions. [2018-11-18 08:36:53,961 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 3516 transitions. Word has length 247 [2018-11-18 08:36:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:53,961 INFO L480 AbstractCegarLoop]: Abstraction has 3146 states and 3516 transitions. [2018-11-18 08:36:53,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:36:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3516 transitions. [2018-11-18 08:36:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 08:36:53,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:53,966 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 08:36:53,966 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:53,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:53,966 INFO L82 PathProgramCache]: Analyzing trace with hash -366661461, now seen corresponding path program 1 times [2018-11-18 08:36:53,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:53,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:53,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:53,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:53,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 286 proven. 166 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:36:54,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:54,328 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:36:54,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:54,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:36:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 08:36:54,461 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:36:54,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-11-18 08:36:54,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 08:36:54,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 08:36:54,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-18 08:36:54,462 INFO L87 Difference]: Start difference. First operand 3146 states and 3516 transitions. Second operand 15 states. [2018-11-18 08:36:56,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:36:56,820 INFO L93 Difference]: Finished difference Result 7261 states and 8299 transitions. [2018-11-18 08:36:56,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-18 08:36:56,820 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 363 [2018-11-18 08:36:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:36:56,829 INFO L225 Difference]: With dead ends: 7261 [2018-11-18 08:36:56,829 INFO L226 Difference]: Without dead ends: 4265 [2018-11-18 08:36:56,832 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=432, Invalid=1920, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 08:36:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4265 states. [2018-11-18 08:36:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4265 to 3874. [2018-11-18 08:36:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3874 states. [2018-11-18 08:36:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3874 states to 3874 states and 4274 transitions. [2018-11-18 08:36:56,905 INFO L78 Accepts]: Start accepts. Automaton has 3874 states and 4274 transitions. Word has length 363 [2018-11-18 08:36:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:36:56,905 INFO L480 AbstractCegarLoop]: Abstraction has 3874 states and 4274 transitions. [2018-11-18 08:36:56,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 08:36:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3874 states and 4274 transitions. [2018-11-18 08:36:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-18 08:36:56,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:36:56,914 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 08:36:56,915 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:36:56,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:36:56,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1827425236, now seen corresponding path program 1 times [2018-11-18 08:36:56,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:36:56,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:36:56,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:56,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:56,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:36:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 256 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:36:57,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:36:57,503 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:36:57,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:36:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:36:57,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:37:00,950 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2018-11-18 08:37:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 168 proven. 208 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 08:37:01,285 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:37:01,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11] total 25 [2018-11-18 08:37:01,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-18 08:37:01,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-18 08:37:01,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=531, Unknown=1, NotChecked=0, Total=600 [2018-11-18 08:37:01,287 INFO L87 Difference]: Start difference. First operand 3874 states and 4274 transitions. Second operand 25 states. [2018-11-18 08:37:04,905 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2018-11-18 08:37:05,960 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2018-11-18 08:37:08,317 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2018-11-18 08:37:09,318 WARN L180 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2018-11-18 08:37:23,126 WARN L180 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 128 DAG size of output: 93 [2018-11-18 08:37:30,227 WARN L180 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2018-11-18 08:37:31,865 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2018-11-18 08:37:32,990 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2018-11-18 08:37:35,520 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2018-11-18 08:37:36,638 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 87 DAG size of output: 40 [2018-11-18 08:37:47,505 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2018-11-18 08:37:57,240 WARN L180 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2018-11-18 08:38:04,469 WARN L180 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2018-11-18 08:38:44,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:38:44,829 INFO L93 Difference]: Finished difference Result 10726 states and 12019 transitions. [2018-11-18 08:38:44,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-11-18 08:38:44,830 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 404 [2018-11-18 08:38:44,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:38:44,838 INFO L225 Difference]: With dead ends: 10726 [2018-11-18 08:38:44,838 INFO L226 Difference]: Without dead ends: 7002 [2018-11-18 08:38:44,843 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 413 SyntacticMatches, 8 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5528 ImplicationChecksByTransitivity, 36.7s TimeCoverageRelationStatistics Valid=2135, Invalid=12377, Unknown=8, NotChecked=0, Total=14520 [2018-11-18 08:38:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7002 states. [2018-11-18 08:38:44,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7002 to 6036. [2018-11-18 08:38:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6036 states. [2018-11-18 08:38:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6036 states to 6036 states and 6594 transitions. [2018-11-18 08:38:44,952 INFO L78 Accepts]: Start accepts. Automaton has 6036 states and 6594 transitions. Word has length 404 [2018-11-18 08:38:44,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:38:44,953 INFO L480 AbstractCegarLoop]: Abstraction has 6036 states and 6594 transitions. [2018-11-18 08:38:44,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-18 08:38:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6036 states and 6594 transitions. [2018-11-18 08:38:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-11-18 08:38:44,968 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:38:44,968 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:38:44,968 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:38:44,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:38:44,969 INFO L82 PathProgramCache]: Analyzing trace with hash 930734900, now seen corresponding path program 1 times [2018-11-18 08:38:44,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:38:44,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:38:44,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:38:44,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:38:44,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:38:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:38:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 500 proven. 150 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-11-18 08:38:45,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:38:45,209 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/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 [2018-11-18 08:38:45,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:38:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:38:45,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:38:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 805 proven. 136 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-11-18 08:38:45,873 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:38:45,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 12 [2018-11-18 08:38:45,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:38:45,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:38:45,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:38:45,874 INFO L87 Difference]: Start difference. First operand 6036 states and 6594 transitions. Second operand 12 states. [2018-11-18 08:38:52,682 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 76 [2018-11-18 08:38:55,829 WARN L180 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2018-11-18 08:38:57,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:38:57,549 INFO L93 Difference]: Finished difference Result 13042 states and 14631 transitions. [2018-11-18 08:38:57,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 08:38:57,550 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 548 [2018-11-18 08:38:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:38:57,550 INFO L225 Difference]: With dead ends: 13042 [2018-11-18 08:38:57,550 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:38:57,561 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=365, Invalid=1615, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 08:38:57,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:38:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:38:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:38:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:38:57,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 548 [2018-11-18 08:38:57,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:38:57,562 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:38:57,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:38:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:38:57,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:38:57,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:38:57,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:58,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,311 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 689 DAG size of output: 621 [2018-11-18 08:38:59,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:38:59,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:39:00,103 WARN L180 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 621 [2018-11-18 08:39:01,706 WARN L180 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 453 DAG size of output: 101 [2018-11-18 08:39:06,589 WARN L180 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 613 DAG size of output: 80 [2018-11-18 08:39:08,700 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 613 DAG size of output: 80 [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 08:39:08,702 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,703 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,704 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 08:39:08,705 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 08:39:08,706 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 08:39:08,707 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,708 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 08:39:08,709 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 08:39:08,710 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse23 (= |old(~a19~0)| ~a19~0)) (.cse24 (<= ~a1~0 |old(~a1~0)|)) (.cse8 (= 9 |old(~a19~0)|)) (.cse9 (= 2 |old(~a10~0)|)) (.cse17 (= ~a1~0 |old(~a1~0)|)) (.cse20 (= ~a19~0 |old(~a19~0)|)) (.cse16 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (and .cse17 .cse20 .cse16)) (.cse10 (and (= ~a10~0 |old(~a10~0)|) .cse20 .cse17)) (.cse15 (not .cse9)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= 0 ~a12~0))) (.cse19 (= 10 |old(~a19~0)|)) (.cse6 (not .cse8)) (.cse12 (< |old(~a10~0)| 2)) (.cse0 (and .cse23 .cse24 .cse16)) (.cse18 (= 0 |old(~a10~0)|)) (.cse14 (< |old(~a1~0)| 449589)) (.cse7 (< 2 |old(~a10~0)|)) (.cse2 (= 8 |old(~a19~0)|)) (.cse13 (<= 449589 ~a1~0)) (.cse1 (< 8 |old(~a19~0)|)) (.cse21 (<= (+ |old(~a1~0)| 13) 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< |old(~a10~0)| 1) .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse5 (or .cse8 .cse9 .cse7 .cse2) .cse10) (or (forall ((v_prenex_30 Int)) (let ((.cse11 (mod v_prenex_30 299993))) (or (<= 0 v_prenex_30) (< 0 (+ v_prenex_30 13)) (< (+ |old(~a1~0)| 600000) .cse11) (= 0 .cse11)))) .cse12 .cse4 .cse5 .cse6 .cse3) (or .cse13 .cse1 .cse14 .cse15) (or (and .cse16 (= 9 ~a19~0) .cse17) (< |old(~a1~0)| 23) .cse4 .cse5 .cse6 (not .cse18)) (or .cse4 .cse5 .cse10 (or .cse19 .cse2 (< 23 |old(~a1~0)|) .cse15)) (or (and (and .cse16 .cse20) .cse17) (or .cse4 .cse5 (let ((.cse22 (< |old(~a10~0)| 4))) (and (or (or .cse19 .cse21 .cse2) .cse22) (or .cse6 .cse22))))) (or .cse12 .cse1 .cse0) (or .cse1 .cse18 .cse14 .cse7 .cse2 .cse13) (or (and .cse23 .cse24 (< 0 (+ ~a1~0 13)) .cse16) .cse1 .cse21)))) [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,711 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 08:39:08,712 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 08:39:08,713 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 08:39:08,714 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 0 ~a10~0) (<= ~a1~0 23) (= ~a12~0 0) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-18 08:39:08,715 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 08:39:08,715 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 08:39:08,715 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse6 (not (= ~a10~0 2))) (.cse9 (not (= ~a19~0 10)))) (let ((.cse2 (= 8 ~a19~0)) (.cse5 (not (= ~a19~0 8))) (.cse1 (<= ~a10~0 2)) (.cse4 (and (<= 2 ~a10~0) .cse6 .cse9)) (.cse3 (< 0 (+ ~a1~0 13))) (.cse0 (= |old(~a19~0)| ~a19~0))) (or (< |old(~a1~0)| 23) (not (= 0 |old(~a10~0)|)) (and (<= 23 ~a1~0) (= 0 ~a10~0)) (and (<= 1 ~a10~0) .cse0 .cse1) (and .cse2 .cse3) (not (= 14 ~a4~0)) (and .cse2 .cse4) (not (= 0 ~a12~0)) (and .cse5 (<= ~a19~0 8)) (and .cse6 .cse5 .cse1 (not (= ~a19~0 9))) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (and (and .cse0 .cse4) (exists ((v_prenex_30 Int)) (let ((.cse7 (mod v_prenex_30 299993))) (and (<= (+ v_prenex_30 13) 0) (not (= 0 .cse7)) (< v_prenex_30 0) (<= .cse7 (+ ~a1~0 600000)))))) (let ((.cse8 (<= 4 ~a10~0))) (or (and .cse8 (and .cse9 .cse3)) (and .cse0 .cse8))) (and (= 2 ~a10~0) (and (<= ~a1~0 23) .cse9))))) [2018-11-18 08:39:08,716 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 08:39:08,716 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 08:39:08,716 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 08:39:08,716 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse6 (not (= ~a10~0 2))) (.cse9 (not (= ~a19~0 10)))) (let ((.cse2 (= 8 ~a19~0)) (.cse5 (not (= ~a19~0 8))) (.cse1 (<= ~a10~0 2)) (.cse4 (and (<= 2 ~a10~0) .cse6 .cse9)) (.cse3 (< 0 (+ ~a1~0 13))) (.cse0 (= |old(~a19~0)| ~a19~0))) (or (< |old(~a1~0)| 23) (not (= 0 |old(~a10~0)|)) (and (<= 23 ~a1~0) (= 0 ~a10~0)) (and (<= 1 ~a10~0) .cse0 .cse1) (and .cse2 .cse3) (not (= 14 ~a4~0)) (and .cse2 .cse4) (not (= 0 ~a12~0)) (and .cse5 (<= ~a19~0 8)) (and .cse6 .cse5 .cse1 (not (= ~a19~0 9))) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (and (and .cse0 .cse4) (exists ((v_prenex_30 Int)) (let ((.cse7 (mod v_prenex_30 299993))) (and (<= (+ v_prenex_30 13) 0) (not (= 0 .cse7)) (< v_prenex_30 0) (<= .cse7 (+ ~a1~0 600000)))))) (let ((.cse8 (<= 4 ~a10~0))) (or (and .cse8 (and .cse9 .cse3)) (and .cse0 .cse8))) (and (= 2 ~a10~0) (and (<= ~a1~0 23) .cse9))))) [2018-11-18 08:39:08,716 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 08:39:08,721 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,722 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,728 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,729 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:39:08 BoogieIcfgContainer [2018-11-18 08:39:08,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:39:08,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:39:08,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:39:08,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:39:08,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:35:31" (3/4) ... [2018-11-18 08:39:08,738 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:39:08,744 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:39:08,745 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 08:39:08,745 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:39:08,757 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:39:08,758 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 08:39:08,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\old(a1) < 23 || !(0 == \old(a10))) || (23 <= a1 && 0 == a10)) || ((1 <= a10 && \old(a19) == a19) && a10 <= 2)) || (8 == a19 && 0 < a1 + 13)) || !(14 == a4)) || (8 == a19 && (2 <= a10 && !(a10 == 2)) && !(a19 == 10))) || !(0 == a12)) || (!(a19 == 8) && a19 <= 8)) || (((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9))) || 23 < \old(a1)) || !(9 == \old(a19))) || ((\old(a19) == a19 && (2 <= a10 && !(a10 == 2)) && !(a19 == 10)) && (\exists v_prenex_30 : int :: ((v_prenex_30 + 13 <= 0 && !(0 == v_prenex_30 % 299993)) && v_prenex_30 < 0) && v_prenex_30 % 299993 <= a1 + 600000))) || (4 <= a10 && !(a19 == 10) && 0 < a1 + 13) || (\old(a19) == a19 && 4 <= a10)) || (2 == a10 && a1 <= 23 && !(a19 == 10)) [2018-11-18 08:39:08,859 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2aeaf5ee-2e02-4c15-9eb3-c26ece87eba2/bin-2019/uautomizer/witness.graphml [2018-11-18 08:39:08,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:39:08,860 INFO L168 Benchmark]: Toolchain (without parser) took 218607.34 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 768.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -115.7 MB). Peak memory consumption was 652.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,860 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:39:08,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.83 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,860 INFO L168 Benchmark]: Boogie Preprocessor took 109.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,861 INFO L168 Benchmark]: RCFGBuilder took 837.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,861 INFO L168 Benchmark]: TraceAbstraction took 217134.84 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 650.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.2 MB). Peak memory consumption was 914.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,861 INFO L168 Benchmark]: Witness Printer took 127.86 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:39:08,863 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.83 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 837.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 217134.84 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 650.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -78.2 MB). Peak memory consumption was 914.2 MB. Max. memory is 11.5 GB. * Witness Printer took 127.86 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. 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_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: 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: 582]: Loop Invariant [2018-11-18 08:39:08,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,865 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] [2018-11-18 08:39:08,866 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_30,QUANTIFIED] Derived loop invariant: (((((((((((((\old(a1) < 23 || !(0 == \old(a10))) || (23 <= a1 && 0 == a10)) || ((1 <= a10 && \old(a19) == a19) && a10 <= 2)) || (8 == a19 && 0 < a1 + 13)) || !(14 == a4)) || (8 == a19 && (2 <= a10 && !(a10 == 2)) && !(a19 == 10))) || !(0 == a12)) || (!(a19 == 8) && a19 <= 8)) || (((!(a10 == 2) && !(a19 == 8)) && a10 <= 2) && !(a19 == 9))) || 23 < \old(a1)) || !(9 == \old(a19))) || ((\old(a19) == a19 && (2 <= a10 && !(a10 == 2)) && !(a19 == 10)) && (\exists v_prenex_30 : int :: ((v_prenex_30 + 13 <= 0 && !(0 == v_prenex_30 % 299993)) && v_prenex_30 < 0) && v_prenex_30 % 299993 <= a1 + 600000))) || (4 <= a10 && !(a19 == 10) && 0 < a1 + 13) || (\old(a19) == a19 && 4 <= a10)) || (2 == a10 && a1 <= 23 && !(a19 == 10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 217.0s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 187.3s AutomataDifference, 0.0s DeadEndRemovalTime, 11.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 988 SDtfs, 18382 SDslu, 3038 SDs, 0 SdLazy, 39559 SolverSat, 5339 SolverUnsat, 226 SolverUnknown, 0 SolverNotchecked, 90.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2877 GetRequests, 2514 SyntacticMatches, 20 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7865 ImplicationChecksByTransitivity, 106.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6699occurred in iteration=6, 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 3654 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 334 PreInvPairs, 582 NumberOfFragments, 727 HoareAnnotationTreeSize, 334 FomulaSimplifications, 205995 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 211965 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 5216 NumberOfCodeBlocks, 5216 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5197 ConstructedInterpolants, 159 QuantifiedInterpolants, 9034438 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3910 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 4955/6138 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...