./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:51:23,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:51:23,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:51:23,372 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:51:23,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:51:23,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:51:23,374 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:51:23,376 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:51:23,377 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:51:23,378 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:51:23,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:51:23,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:51:23,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:51:23,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:51:23,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:51:23,381 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:51:23,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:51:23,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:51:23,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:51:23,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:51:23,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:51:23,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:51:23,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:51:23,390 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:51:23,390 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:51:23,391 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:51:23,392 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:51:23,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:51:23,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:51:23,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:51:23,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:51:23,394 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:51:23,394 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:51:23,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:51:23,395 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:51:23,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:51:23,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 11:51:23,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:51:23,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:51:23,408 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:51:23,408 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:51:23,408 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:51:23,408 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:51:23,409 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:51:23,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:51:23,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:51:23,409 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:51:23,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:51:23,409 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:51:23,410 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:51:23,411 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:51:23,411 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:51:23,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:51:23,411 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:51:23,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:51:23,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:51:23,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:51:23,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:51:23,412 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:51:23,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:51:23,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:51:23,412 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_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2018-11-10 11:51:23,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:51:23,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:51:23,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:51:23,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:51:23,444 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:51:23,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-10 11:51:23,492 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/data/5cc433d22/cb100c1da4bb460196cc2656d2cbe592/FLAGb55f489dd [2018-11-10 11:51:23,888 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:51:23,889 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-10 11:51:23,900 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/data/5cc433d22/cb100c1da4bb460196cc2656d2cbe592/FLAGb55f489dd [2018-11-10 11:51:23,912 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/data/5cc433d22/cb100c1da4bb460196cc2656d2cbe592 [2018-11-10 11:51:23,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:51:23,916 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:51:23,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:23,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:51:23,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:51:23,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:23" (1/1) ... [2018-11-10 11:51:23,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cef0fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:23, skipping insertion in model container [2018-11-10 11:51:23,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:23" (1/1) ... [2018-11-10 11:51:23,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:51:23,964 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:51:24,197 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:24,201 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:51:24,272 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:24,286 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:51:24,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24 WrapperNode [2018-11-10 11:51:24,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:24,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:51:24,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:51:24,287 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:51:24,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... [2018-11-10 11:51:24,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:51:24,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:51:24,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:51:24,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:51:24,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:51:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:51:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:51:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 11:51:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:51:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:51:25,298 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:51:25,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:25 BoogieIcfgContainer [2018-11-10 11:51:25,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:51:25,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:51:25,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:51:25,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:51:25,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:51:23" (1/3) ... [2018-11-10 11:51:25,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d0bd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:25, skipping insertion in model container [2018-11-10 11:51:25,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:24" (2/3) ... [2018-11-10 11:51:25,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d0bd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:25, skipping insertion in model container [2018-11-10 11:51:25,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:25" (3/3) ... [2018-11-10 11:51:25,306 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label17_true-unreach-call_false-termination.c [2018-11-10 11:51:25,314 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:51:25,320 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:51:25,332 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:51:25,356 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:51:25,357 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:51:25,357 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:51:25,357 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:51:25,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:51:25,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:51:25,357 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:51:25,357 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:51:25,357 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:51:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 11:51:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 11:51:25,385 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:25,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:25,388 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:25,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1707442147, now seen corresponding path program 1 times [2018-11-10 11:51:25,394 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:25,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:25,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:25,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:25,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:25,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:25,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:51:25,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:51:25,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:51:25,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:51:25,728 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 11:51:26,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:26,332 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 11:51:26,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:51:26,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-11-10 11:51:26,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:26,345 INFO L225 Difference]: With dead ends: 550 [2018-11-10 11:51:26,345 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 11:51:26,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:51:26,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 11:51:26,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 11:51:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 11:51:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-10 11:51:26,395 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 123 [2018-11-10 11:51:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:26,396 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-10 11:51:26,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:51:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-10 11:51:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 11:51:26,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:26,399 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:26,399 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:26,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:26,400 INFO L82 PathProgramCache]: Analyzing trace with hash -568294122, now seen corresponding path program 1 times [2018-11-10 11:51:26,400 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:26,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:26,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:26,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:26,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:26,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:26,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:51:26,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:51:26,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:51:26,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:51:26,544 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-11-10 11:51:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:26,940 INFO L93 Difference]: Finished difference Result 946 states and 1654 transitions. [2018-11-10 11:51:26,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:51:26,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-11-10 11:51:26,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:26,944 INFO L225 Difference]: With dead ends: 946 [2018-11-10 11:51:26,944 INFO L226 Difference]: Without dead ends: 612 [2018-11-10 11:51:26,948 INFO L605 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 [2018-11-10 11:51:26,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-10 11:51:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-11-10 11:51:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-10 11:51:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 987 transitions. [2018-11-10 11:51:26,971 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 987 transitions. Word has length 141 [2018-11-10 11:51:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:26,972 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 987 transitions. [2018-11-10 11:51:26,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:51:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 987 transitions. [2018-11-10 11:51:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 11:51:26,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:26,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:26,976 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:26,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:26,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1913137078, now seen corresponding path program 1 times [2018-11-10 11:51:26,977 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:26,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:26,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:26,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:26,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:27,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:27,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:51:27,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:51:27,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:51:27,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:51:27,105 INFO L87 Difference]: Start difference. First operand 612 states and 987 transitions. Second operand 6 states. [2018-11-10 11:51:27,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:27,721 INFO L93 Difference]: Finished difference Result 1625 states and 2647 transitions. [2018-11-10 11:51:27,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:51:27,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-11-10 11:51:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:27,728 INFO L225 Difference]: With dead ends: 1625 [2018-11-10 11:51:27,728 INFO L226 Difference]: Without dead ends: 1019 [2018-11-10 11:51:27,731 INFO L605 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 [2018-11-10 11:51:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-11-10 11:51:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1009. [2018-11-10 11:51:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2018-11-10 11:51:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1456 transitions. [2018-11-10 11:51:27,762 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1456 transitions. Word has length 167 [2018-11-10 11:51:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:27,762 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1456 transitions. [2018-11-10 11:51:27,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:51:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1456 transitions. [2018-11-10 11:51:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 11:51:27,766 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:27,766 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:27,767 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:27,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:27,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1620857015, now seen corresponding path program 1 times [2018-11-10 11:51:27,767 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:27,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:27,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:27,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:27,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:27,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:51:27,877 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:51:27,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:27,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:28,081 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:51:28,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 11:51:28,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:51:28,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:51:28,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:51:28,082 INFO L87 Difference]: Start difference. First operand 1009 states and 1456 transitions. Second operand 9 states. [2018-11-10 11:51:29,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:29,966 INFO L93 Difference]: Finished difference Result 3881 states and 6473 transitions. [2018-11-10 11:51:29,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-10 11:51:29,967 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 179 [2018-11-10 11:51:29,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:29,981 INFO L225 Difference]: With dead ends: 3881 [2018-11-10 11:51:29,981 INFO L226 Difference]: Without dead ends: 2878 [2018-11-10 11:51:29,990 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-11-10 11:51:29,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2018-11-10 11:51:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2626. [2018-11-10 11:51:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2626 states. [2018-11-10 11:51:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 3405 transitions. [2018-11-10 11:51:30,064 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 3405 transitions. Word has length 179 [2018-11-10 11:51:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:30,064 INFO L481 AbstractCegarLoop]: Abstraction has 2626 states and 3405 transitions. [2018-11-10 11:51:30,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:51:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3405 transitions. [2018-11-10 11:51:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 11:51:30,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:51:30,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:30,070 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:51:30,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:30,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1286024513, now seen corresponding path program 1 times [2018-11-10 11:51:30,070 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:30,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:30,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:30,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:30,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 11:51:30,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:30,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:51:30,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:51:30,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:51:30,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:51:30,178 INFO L87 Difference]: Start difference. First operand 2626 states and 3405 transitions. Second operand 3 states. [2018-11-10 11:51:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:30,557 INFO L93 Difference]: Finished difference Result 6889 states and 9085 transitions. [2018-11-10 11:51:30,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:51:30,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2018-11-10 11:51:30,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:51:30,559 INFO L225 Difference]: With dead ends: 6889 [2018-11-10 11:51:30,559 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:51:30,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:51:30,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:51:30,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:51:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:51:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:51:30,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-11-10 11:51:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:51:30,571 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:51:30,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:51:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:51:30,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:51:30,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:51:30,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:30,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:51:31,003 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2018-11-10 11:51:31,103 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,104 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 11:51:31,105 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 11:51:31,106 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,107 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 11:51:31,108 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,109 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,110 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 11:51:31,111 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 11:51:31,112 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 11:51:31,113 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (<= ~a16~0 |old(~a16~0)|)) (.cse9 (= |old(~a8~0)| ~a8~0)) (.cse4 (= 1 ~a20~0)) (.cse10 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (not (= 1 |old(~a20~0)|))) (.cse6 (and .cse8 .cse9 .cse4 .cse10)) (.cse12 (and .cse8 .cse9 .cse10)) (.cse2 (= 14 |old(~a8~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (not (= ~a17~0 1))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse11 (< 4 |old(~a16~0)|)) (.cse3 (= 1 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or .cse1 .cse2 .cse6) (or .cse5 .cse7 (and .cse8 .cse9 .cse0 .cse10) .cse3) (or .cse5 .cse1 .cse11 .cse6) (or .cse12 .cse11 .cse2) (or .cse5 .cse12 .cse2 .cse7) (or .cse0 .cse5 .cse11 .cse3)))) [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 11:51:31,114 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,115 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 11:51:31,116 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 11:51:31,117 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-11-10 11:51:31,118 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|))) [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a8~0 13))) (.cse3 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse1 (not (= ~a8~0 14))) (.cse4 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse3 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse0 .cse4) (and .cse1 .cse4))) [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 11:51:31,118 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 11:51:31,119 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a8~0 13))) (.cse3 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse1 (not (= ~a8~0 14))) (.cse4 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse3 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse0 .cse4) (and .cse1 .cse4))) [2018-11-10 11:51:31,119 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:51:31,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:51:31 BoogieIcfgContainer [2018-11-10 11:51:31,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:51:31,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:51:31,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:51:31,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:51:31,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:25" (3/4) ... [2018-11-10 11:51:31,136 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:51:31,145 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:51:31,146 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 11:51:31,146 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:51:31,154 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:51:31,155 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:51:31,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == \old(a21)) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (1 == a20 && !(a8 == 14))) || !(1 == \old(a20))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a20 && 1 == a21) && a16 <= 4)) || (!(a8 == 14) && a16 <= 4) [2018-11-10 11:51:31,250 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4ebd0a5-306d-4bd6-be93-e68a1a752e5f/bin-2019/uautomizer/witness.graphml [2018-11-10 11:51:31,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:51:31,251 INFO L168 Benchmark]: Toolchain (without parser) took 7335.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.9 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -224.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,251 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 11:51:31,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,252 INFO L168 Benchmark]: Boogie Preprocessor took 137.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -224.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,252 INFO L168 Benchmark]: RCFGBuilder took 873.99 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,252 INFO L168 Benchmark]: TraceAbstraction took 5831.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.4 MB). Peak memory consumption was 289.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,253 INFO L168 Benchmark]: Witness Printer took 118.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:31,254 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 369.90 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 920.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 137.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -224.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 873.99 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: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5831.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.4 MB). Peak memory consumption was 289.8 MB. Max. memory is 11.5 GB. * Witness Printer took 118.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: (((((((!(1 == \old(a21)) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (1 == a20 && !(a8 == 14))) || !(1 == \old(a20))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a20 && 1 == a21) && a16 <= 4)) || (!(a8 == 14) && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 732 SDtfs, 2518 SDslu, 526 SDs, 0 SdLazy, 4394 SolverSat, 1162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 202 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2626occurred in iteration=4, 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, 5 MinimizatonAttempts, 262 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 105 NumberOfFragments, 342 HoareAnnotationTreeSize, 57 FomulaSimplifications, 4730 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 891 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 966 ConstructedInterpolants, 0 QuantifiedInterpolants, 403926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 475 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 246/250 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...