./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.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_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/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 dab50d57c53f23a15c1109c01d840c6793808077 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:18:30,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:18:30,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:18:30,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:18:30,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:18:30,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:18:30,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:18:30,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:18:30,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:18:30,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:18:30,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:18:30,568 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:18:30,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:18:30,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:18:30,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:18:30,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:18:30,571 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:18:30,572 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:18:30,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:18:30,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:18:30,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:18:30,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:18:30,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:18:30,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:18:30,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:18:30,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:18:30,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:18:30,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:18:30,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:18:30,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:18:30,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:18:30,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:18:30,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:18:30,582 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:18:30,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:18:30,583 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:18:30,583 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:18:30,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:18:30,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:18:30,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:18:30,593 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:18:30,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:18:30,594 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:18:30,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:18:30,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:18:30,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:18:30,595 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:18:30,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:18:30,596 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_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/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 -> dab50d57c53f23a15c1109c01d840c6793808077 [2018-11-18 15:18:30,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:18:30,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:18:30,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:18:30,627 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:18:30,627 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:18:30,627 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-11-18 15:18:30,670 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/data/f5203d85b/3507b4916b7a43d6ac9115050bb6ac3c/FLAG200e60286 [2018-11-18 15:18:31,110 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:18:31,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-11-18 15:18:31,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/data/f5203d85b/3507b4916b7a43d6ac9115050bb6ac3c/FLAG200e60286 [2018-11-18 15:18:31,131 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/data/f5203d85b/3507b4916b7a43d6ac9115050bb6ac3c [2018-11-18 15:18:31,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:18:31,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:18:31,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:18:31,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:18:31,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:18:31,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be4c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31, skipping insertion in model container [2018-11-18 15:18:31,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:18:31,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:18:31,412 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:18:31,415 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:18:31,481 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:18:31,493 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:18:31,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31 WrapperNode [2018-11-18 15:18:31,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:18:31,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:18:31,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:18:31,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:18:31,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... [2018-11-18 15:18:31,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:18:31,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:18:31,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:18:31,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:18:31,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/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 15:18:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:18:31,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:18:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 15:18:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:18:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:18:31,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:18:32,371 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:18:32,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:32 BoogieIcfgContainer [2018-11-18 15:18:32,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:18:32,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:18:32,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:18:32,375 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:18:32,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:18:31" (1/3) ... [2018-11-18 15:18:32,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a27e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:18:32, skipping insertion in model container [2018-11-18 15:18:32,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:18:31" (2/3) ... [2018-11-18 15:18:32,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a27e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:18:32, skipping insertion in model container [2018-11-18 15:18:32,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:32" (3/3) ... [2018-11-18 15:18:32,378 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label01_true-unreach-call_false-termination.c [2018-11-18 15:18:32,384 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:18:32,389 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:18:32,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:18:32,419 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:18:32,420 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:18:32,420 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:18:32,420 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:18:32,420 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:18:32,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:18:32,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:18:32,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:18:32,421 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:18:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 15:18:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:18:32,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:18:32,443 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, 1, 1, 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 15:18:32,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:18:32,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:18:32,449 INFO L82 PathProgramCache]: Analyzing trace with hash 850595888, now seen corresponding path program 1 times [2018-11-18 15:18:32,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:18:32,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:18:32,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:32,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:18:32,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:32,722 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 15:18:32,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:18:32,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:18:32,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:18:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:18:32,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:18:32,737 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 15:18:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:18:33,277 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 15:18:33,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:18:33,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-18 15:18:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:18:33,290 INFO L225 Difference]: With dead ends: 550 [2018-11-18 15:18:33,290 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 15:18:33,294 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:18:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 15:18:33,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 15:18:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 15:18:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-18 15:18:33,340 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 98 [2018-11-18 15:18:33,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:18:33,340 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-18 15:18:33,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:18:33,340 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-18 15:18:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:18:33,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:18:33,344 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:18:33,344 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:18:33,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:18:33,345 INFO L82 PathProgramCache]: Analyzing trace with hash 900426319, now seen corresponding path program 1 times [2018-11-18 15:18:33,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:18:33,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:18:33,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:33,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:18:33,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:18:33,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:18:33,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:18:33,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:18:33,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:18:33,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:18:33,431 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-18 15:18:34,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:18:34,005 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-18 15:18:34,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:18:34,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-18 15:18:34,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:18:34,010 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 15:18:34,010 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 15:18:34,013 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 15:18:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 15:18:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 15:18:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 15:18:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-18 15:18:34,039 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 109 [2018-11-18 15:18:34,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:18:34,039 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-18 15:18:34,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:18:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-18 15:18:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 15:18:34,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:18:34,043 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:34,043 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:18:34,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:18:34,043 INFO L82 PathProgramCache]: Analyzing trace with hash -774778626, now seen corresponding path program 1 times [2018-11-18 15:18:34,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:18:34,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:18:34,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:34,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:18:34,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:18:34,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:18:34,144 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/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 15:18:34,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:18:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:34,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:18:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:18:34,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:18:34,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-18 15:18:34,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:18:34,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:18:34,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:18:34,328 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 7 states. [2018-11-18 15:18:35,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:18:35,449 INFO L93 Difference]: Finished difference Result 2565 states and 4320 transitions. [2018-11-18 15:18:35,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 15:18:35,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2018-11-18 15:18:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:18:35,460 INFO L225 Difference]: With dead ends: 2565 [2018-11-18 15:18:35,460 INFO L226 Difference]: Without dead ends: 1847 [2018-11-18 15:18:35,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:18:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2018-11-18 15:18:35,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1817. [2018-11-18 15:18:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2018-11-18 15:18:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2727 transitions. [2018-11-18 15:18:35,516 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2727 transitions. Word has length 134 [2018-11-18 15:18:35,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:18:35,517 INFO L480 AbstractCegarLoop]: Abstraction has 1817 states and 2727 transitions. [2018-11-18 15:18:35,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:18:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2727 transitions. [2018-11-18 15:18:35,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 15:18:35,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:18:35,523 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 15:18:35,523 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:18:35,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:18:35,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1167452104, now seen corresponding path program 1 times [2018-11-18 15:18:35,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:18:35,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:18:35,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:35,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:18:35,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:18:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:18:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:18:35,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:18:35,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:18:35,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:18:35,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:18:35,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:18:35,655 INFO L87 Difference]: Start difference. First operand 1817 states and 2727 transitions. Second operand 3 states. [2018-11-18 15:18:36,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:18:36,077 INFO L93 Difference]: Finished difference Result 4494 states and 6795 transitions. [2018-11-18 15:18:36,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:18:36,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2018-11-18 15:18:36,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:18:36,079 INFO L225 Difference]: With dead ends: 4494 [2018-11-18 15:18:36,079 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:18:36,090 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:18:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:18:36,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:18:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:18:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:18:36,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2018-11-18 15:18:36,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:18:36,091 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:18:36,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:18:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:18:36,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:18:36,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:18:36,313 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2018-11-18 15:18:36,341 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:18:36,341 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 15:18:36,341 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 15:18:36,342 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,343 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 15:18:36,344 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 15:18:36,345 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,346 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,347 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 15:18:36,348 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 15:18:36,349 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,350 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 15:18:36,352 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,353 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,354 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 15:18:36,355 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (= 13 |old(~a8~0)|)) (.cse6 (< 0 |old(~a17~0)|)) (.cse2 (not (= ~a8~0 13))) (.cse0 (= 6 |old(~a16~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= ~a21~0 |old(~a21~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse7 (= 1 |old(~a7~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (<= ~a17~0 0) .cse5) .cse6) (or .cse2 .cse1 .cse7 .cse3) (or .cse1 .cse3 .cse6 .cse2) (or .cse0 (and .cse4 .cse5)) (or (and (not (= ~a7~0 1)) .cse4 .cse5) .cse1 .cse7))) [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 15:18:36,356 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,357 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 15:18:36,358 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 15:18:36,359 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:18:36,360 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13))) [2018-11-18 15:18:36,360 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:18:36,361 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 13 |old(~a8~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (not (= ~a8~0 13)))) [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 15:18:36,361 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 15:18:36,361 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= 1 ~a21~0)) (= 13 |old(~a8~0)|) (not (= ~a16~0 6)) (<= ~a17~0 0)) [2018-11-18 15:18:36,361 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 15:18:36,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:18:36 BoogieIcfgContainer [2018-11-18 15:18:36,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:18:36,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:18:36,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:18:36,374 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:18:36,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:18:32" (3/4) ... [2018-11-18 15:18:36,377 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:18:36,384 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:18:36,384 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 15:18:36,384 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:18:36,392 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:18:36,393 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:18:36,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((6 == \old(a16) || !(1 == \old(a21))) || 1 == \old(a7)) || (!(a7 == 1) && 1 == a21)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 [2018-11-18 15:18:36,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bd4450f3-cef9-4fd3-9b8d-259b1917fb40/bin-2019/uautomizer/witness.graphml [2018-11-18 15:18:36,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:18:36,480 INFO L168 Benchmark]: Toolchain (without parser) took 5346.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 953.9 MB in the beginning and 931.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 216.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,481 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:18:36,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,481 INFO L168 Benchmark]: Boogie Preprocessor took 114.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,482 INFO L168 Benchmark]: RCFGBuilder took 763.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,482 INFO L168 Benchmark]: TraceAbstraction took 4000.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 950.6 MB in the end (delta: 70.5 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,482 INFO L168 Benchmark]: Witness Printer took 106.15 ms. Allocated memory is still 1.2 GB. Free memory was 950.6 MB in the beginning and 931.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:18:36,484 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 916.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 763.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4000.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 950.6 MB in the end (delta: 70.5 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. * Witness Printer took 106.15 ms. Allocated memory is still 1.2 GB. Free memory was 950.6 MB in the beginning and 931.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 449]: 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: 583]: Loop Invariant Derived loop invariant: (((((6 == \old(a16) || !(1 == \old(a21))) || 1 == \old(a7)) || (!(a7 == 1) && 1 == a21)) || 13 == \old(a8)) || !(a16 == 6)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 450 SDtfs, 2066 SDslu, 417 SDs, 0 SdLazy, 3131 SolverSat, 733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1817occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 75 NumberOfFragments, 203 HoareAnnotationTreeSize, 41 FomulaSimplifications, 1080 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 395 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 216278 SizeOfPredicates, 2 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 189/191 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...