./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_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_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/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 b953cc2449a7f939fba62b70833772464a0d90fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:21:39,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:21:39,487 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:21:39,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:21:39,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:21:39,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:21:39,498 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:21:39,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:21:39,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:21:39,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:21:39,502 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:21:39,502 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:21:39,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:21:39,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:21:39,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:21:39,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:21:39,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:21:39,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:21:39,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:21:39,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:21:39,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:21:39,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:21:39,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:21:39,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:21:39,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:21:39,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:21:39,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:21:39,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:21:39,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:21:39,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:21:39,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:21:39,516 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:21:39,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:21:39,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:21:39,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:21:39,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:21:39,518 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 10:21:39,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:21:39,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:21:39,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:21:39,526 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:21:39,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:21:39,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:21:39,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:21:39,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:21:39,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:21:39,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:21:39,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:21:39,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:21:39,529 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_93f20f41-d6ac-45e4-8147-b6d45172b906/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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2018-11-18 10:21:39,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:21:39,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:21:39,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:21:39,568 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:21:39,568 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:21:39,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 10:21:39,618 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/data/f0d9cf2e6/376d410045ed4450b59f82e8fbc42e8d/FLAG9cafc7760 [2018-11-18 10:21:40,017 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:21:40,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 10:21:40,030 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/data/f0d9cf2e6/376d410045ed4450b59f82e8fbc42e8d/FLAG9cafc7760 [2018-11-18 10:21:40,041 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/data/f0d9cf2e6/376d410045ed4450b59f82e8fbc42e8d [2018-11-18 10:21:40,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:21:40,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:21:40,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:40,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:21:40,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:21:40,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40, skipping insertion in model container [2018-11-18 10:21:40,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:21:40,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:21:40,316 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:40,319 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:21:40,383 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:40,395 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:21:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40 WrapperNode [2018-11-18 10:21:40,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:40,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:21:40,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:21:40,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:21:40,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... [2018-11-18 10:21:40,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:21:40,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:21:40,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:21:40,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:21:40,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/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 10:21:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:21:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:21:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:21:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:21:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:21:41,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:21:41,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:41 BoogieIcfgContainer [2018-11-18 10:21:41,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:21:41,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:21:41,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:21:41,499 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:21:41,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:21:40" (1/3) ... [2018-11-18 10:21:41,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4dbf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:21:41, skipping insertion in model container [2018-11-18 10:21:41,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:40" (2/3) ... [2018-11-18 10:21:41,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4dbf24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:21:41, skipping insertion in model container [2018-11-18 10:21:41,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:41" (3/3) ... [2018-11-18 10:21:41,502 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label52_true-unreach-call_false-termination.c [2018-11-18 10:21:41,509 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:21:41,514 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:21:41,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:21:41,545 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:21:41,546 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:21:41,546 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:21:41,546 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:21:41,546 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:21:41,546 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:21:41,546 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:21:41,546 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:21:41,546 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:21:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 10:21:41,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 10:21:41,572 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:41,572 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] [2018-11-18 10:21:41,574 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:41,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:41,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1672281121, now seen corresponding path program 1 times [2018-11-18 10:21:41,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:41,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:41,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:41,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:41,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:41,923 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 10:21:41,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:41,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:21:41,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:21:41,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:21:41,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:21:41,938 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 10:21:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:42,706 INFO L93 Difference]: Finished difference Result 774 states and 1357 transitions. [2018-11-18 10:21:42,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:21:42,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-11-18 10:21:42,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:42,722 INFO L225 Difference]: With dead ends: 774 [2018-11-18 10:21:42,722 INFO L226 Difference]: Without dead ends: 531 [2018-11-18 10:21:42,727 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:21:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-18 10:21:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-11-18 10:21:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-18 10:21:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 921 transitions. [2018-11-18 10:21:42,784 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 921 transitions. Word has length 111 [2018-11-18 10:21:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:42,785 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 921 transitions. [2018-11-18 10:21:42,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:21:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 921 transitions. [2018-11-18 10:21:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 10:21:42,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:42,791 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:42,792 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:42,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:42,792 INFO L82 PathProgramCache]: Analyzing trace with hash -512583288, now seen corresponding path program 1 times [2018-11-18 10:21:42,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:42,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:42,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:42,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:42,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:42,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:42,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:21:42,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:21:42,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:21:42,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:21:42,893 INFO L87 Difference]: Start difference. First operand 529 states and 921 transitions. Second operand 6 states. [2018-11-18 10:21:43,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:43,502 INFO L93 Difference]: Finished difference Result 1701 states and 3117 transitions. [2018-11-18 10:21:43,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:21:43,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-18 10:21:43,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:43,509 INFO L225 Difference]: With dead ends: 1701 [2018-11-18 10:21:43,509 INFO L226 Difference]: Without dead ends: 1178 [2018-11-18 10:21:43,512 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 10:21:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2018-11-18 10:21:43,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1154. [2018-11-18 10:21:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2018-11-18 10:21:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1912 transitions. [2018-11-18 10:21:43,551 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1912 transitions. Word has length 132 [2018-11-18 10:21:43,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:43,551 INFO L480 AbstractCegarLoop]: Abstraction has 1154 states and 1912 transitions. [2018-11-18 10:21:43,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:21:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1912 transitions. [2018-11-18 10:21:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 10:21:43,555 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:43,555 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:43,556 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:43,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash 270471924, now seen corresponding path program 1 times [2018-11-18 10:21:43,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:43,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:43,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:43,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:43,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:43,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:43,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:21:43,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:21:43,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:21:43,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:21:43,640 INFO L87 Difference]: Start difference. First operand 1154 states and 1912 transitions. Second operand 3 states. [2018-11-18 10:21:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:44,023 INFO L93 Difference]: Finished difference Result 3292 states and 5647 transitions. [2018-11-18 10:21:44,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:21:44,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-18 10:21:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:44,031 INFO L225 Difference]: With dead ends: 3292 [2018-11-18 10:21:44,031 INFO L226 Difference]: Without dead ends: 2144 [2018-11-18 10:21:44,035 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 10:21:44,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2018-11-18 10:21:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2140. [2018-11-18 10:21:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2018-11-18 10:21:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3397 transitions. [2018-11-18 10:21:44,078 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3397 transitions. Word has length 133 [2018-11-18 10:21:44,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:44,078 INFO L480 AbstractCegarLoop]: Abstraction has 2140 states and 3397 transitions. [2018-11-18 10:21:44,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:21:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3397 transitions. [2018-11-18 10:21:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 10:21:44,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:44,084 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:21:44,084 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:44,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:44,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2050743857, now seen corresponding path program 1 times [2018-11-18 10:21:44,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:44,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:44,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:44,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:44,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:44,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:21:44,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/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 10:21:44,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:44,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:21:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:44,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:21:44,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 10:21:44,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:21:44,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:21:44,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:21:44,376 INFO L87 Difference]: Start difference. First operand 2140 states and 3397 transitions. Second operand 9 states. [2018-11-18 10:21:45,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:45,478 INFO L93 Difference]: Finished difference Result 5557 states and 9389 transitions. [2018-11-18 10:21:45,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:21:45,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 186 [2018-11-18 10:21:45,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:45,488 INFO L225 Difference]: With dead ends: 5557 [2018-11-18 10:21:45,488 INFO L226 Difference]: Without dead ends: 1891 [2018-11-18 10:21:45,507 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:21:45,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-18 10:21:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1556. [2018-11-18 10:21:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1556 states. [2018-11-18 10:21:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2142 transitions. [2018-11-18 10:21:45,564 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2142 transitions. Word has length 186 [2018-11-18 10:21:45,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:45,565 INFO L480 AbstractCegarLoop]: Abstraction has 1556 states and 2142 transitions. [2018-11-18 10:21:45,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:21:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2142 transitions. [2018-11-18 10:21:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 10:21:45,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:45,569 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:45,569 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:45,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:45,569 INFO L82 PathProgramCache]: Analyzing trace with hash -159365765, now seen corresponding path program 1 times [2018-11-18 10:21:45,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:21:45,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:21:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:45,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 113 proven. 47 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:21:45,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:21:45,676 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:21:45,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:45,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:21:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 10:21:45,843 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:21:45,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-18 10:21:45,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:21:45,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:21:45,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:21:45,844 INFO L87 Difference]: Start difference. First operand 1556 states and 2142 transitions. Second operand 10 states. [2018-11-18 10:21:47,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:47,466 INFO L93 Difference]: Finished difference Result 4939 states and 7315 transitions. [2018-11-18 10:21:47,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 10:21:47,467 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2018-11-18 10:21:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:47,467 INFO L225 Difference]: With dead ends: 4939 [2018-11-18 10:21:47,467 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:21:47,480 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=236, Invalid=820, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 10:21:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:21:47,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:21:47,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:21:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:21:47,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-11-18 10:21:47,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:47,481 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:21:47,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:21:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:21:47,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:21:47,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:21:48,054 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-18 10:21:48,437 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2018-11-18 10:21:48,843 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2018-11-18 10:21:48,844 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a28~0 |old(~a28~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|)) [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 10:21:48,845 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:21:48,846 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 10:21:48,848 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,848 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,848 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 10:21:48,849 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 10:21:48,850 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 10:21:48,851 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 10:21:48,852 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:21:48,853 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,854 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:21:48,858 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,858 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:21:48,858 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:21:48,858 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:21:48,858 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,859 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,860 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 484) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 10:21:48,861 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (<= ~a28~0 |old(~a28~0)|)) (.cse1 (not (= ~a28~0 ~a17~0))) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse4 (= |old(~a25~0)| ~a25~0)) (.cse11 (= ~a19~0 |old(~a19~0)|))) (let ((.cse2 (not (= 7 |old(~a17~0)|))) (.cse5 (and .cse10 .cse1 .cse3 .cse4 .cse11)) (.cse0 (= |old(~a17~0)| |old(~a28~0)|)) (.cse8 (= 1 |old(~a11~0)|)) (.cse9 (not (= 1 ~a11~0))) (.cse7 (< 9 |old(~a28~0)|)) (.cse6 (not (= 1 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4) .cse2) (or .cse5 .cse6 .cse0) (or .cse5 .cse7 .cse0) (or (or .cse8 (and (= 8 |old(~a28~0)|) (= 8 |old(~a17~0)|))) (and (and .cse9 (or (not (= 8 ~a28~0)) (not (= 8 ~a17~0))) .cse3 .cse4) .cse10 .cse11)) (or (or .cse8 (= 1 |old(~a25~0)|)) (and .cse9 .cse10 .cse3 .cse4 .cse11)) (or .cse8 .cse6 .cse9) (or .cse7 .cse6 (and .cse10 .cse3 .cse4 .cse11))))) [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,862 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 10:21:48,863 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 10:21:48,864 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 10:21:48,865 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 10:21:48,866 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:21:48,867 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= 1 ~a11~0)) (not (= ~a28~0 ~a17~0)) (not (= ~a25~0 1)) (= 1 ~a19~0) (<= ~a28~0 9)) [2018-11-18 10:21:48,867 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:21:48,867 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:21:48,867 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (= 1 |old(~a11~0)|) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (and (not (= 1 ~a11~0)) (<= ~a28~0 |old(~a28~0)|) (not (= ~a28~0 ~a17~0)) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|)) (= 1 |old(~a25~0)|)) [2018-11-18 10:21:48,867 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 10:21:48,867 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (= |old(~a17~0)| 9)) (.cse9 (not (= ~a28~0 ~a17~0))) (.cse2 (= |old(~a17~0)| ~a17~0))) (let ((.cse5 (= 1 ~a19~0)) (.cse6 (= 7 ~a17~0)) (.cse7 (or (not (= 8 ~a28~0)) (not (= 8 ~a17~0)))) (.cse8 (<= ~a28~0 9)) (.cse0 (not (= 1 ~a11~0))) (.cse1 (not (= ~a25~0 1))) (.cse10 (or (and .cse3 .cse4 .cse9) (and .cse9 .cse2)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse7 .cse2) (and .cse5 (and .cse0 .cse2)) (and .cse7 .cse2 .cse5 .cse8) (and .cse9 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and .cse0 .cse3 .cse4 .cse7) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse8) (< 9 |old(~a28~0)|) (and .cse0 .cse3 .cse4 .cse1) (and .cse10 (= ~a19~0 |old(~a19~0)|))))) [2018-11-18 10:21:48,867 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:21:48,867 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:21:48,867 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (= |old(~a17~0)| 9)) (.cse9 (not (= ~a28~0 ~a17~0))) (.cse2 (= |old(~a17~0)| ~a17~0))) (let ((.cse5 (= 1 ~a19~0)) (.cse6 (= 7 ~a17~0)) (.cse7 (or (not (= 8 ~a28~0)) (not (= 8 ~a17~0)))) (.cse8 (<= ~a28~0 9)) (.cse0 (not (= 1 ~a11~0))) (.cse1 (not (= ~a25~0 1))) (.cse10 (or (and .cse3 .cse4 .cse9) (and .cse9 .cse2)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse7 .cse2) (and .cse5 (and .cse0 .cse2)) (and .cse7 .cse2 .cse5 .cse8) (and .cse9 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and .cse0 .cse3 .cse4 .cse7) (= |old(~a17~0)| |old(~a28~0)|) (and .cse10 .cse8) (< 9 |old(~a28~0)|) (and .cse0 .cse3 .cse4 .cse1) (and .cse10 (= ~a19~0 |old(~a19~0)|))))) [2018-11-18 10:21:48,868 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 10:21:48,868 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 10:21:48,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:21:48 BoogieIcfgContainer [2018-11-18 10:21:48,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:21:48,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:21:48,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:21:48,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:21:48,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:41" (3/4) ... [2018-11-18 10:21:48,888 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:21:48,895 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:21:48,895 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:21:48,895 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:21:48,904 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:21:48,905 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:21:48,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == a11) && !(a25 == 1)) && \old(a17) == a17) || ((a17 <= \old(a17) && \old(a17) == 9) && 1 == a19)) || (a17 <= \old(a17) && 7 == a17)) || !(1 == \old(a19))) || ((!(1 == a11) && (!(8 == a28) || !(8 == a17))) && \old(a17) == a17)) || (1 == a19 && !(1 == a11) && \old(a17) == a17)) || ((((!(8 == a28) || !(8 == a17)) && \old(a17) == a17) && 1 == a19) && a28 <= 9)) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || 1 == \old(a25)) || 1 == \old(a11)) || (((!(1 == a11) && a17 <= \old(a17)) && \old(a17) == 9) && (!(8 == a28) || !(8 == a17)))) || \old(a17) == \old(a28)) || ((((a17 <= \old(a17) && \old(a17) == 9) && !(a28 == a17)) || (!(a28 == a17) && \old(a17) == a17)) && a28 <= 9)) || 9 < \old(a28)) || (((!(1 == a11) && a17 <= \old(a17)) && \old(a17) == 9) && !(a25 == 1))) || ((((a17 <= \old(a17) && \old(a17) == 9) && !(a28 == a17)) || (!(a28 == a17) && \old(a17) == a17)) && a19 == \old(a19)) [2018-11-18 10:21:49,000 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93f20f41-d6ac-45e4-8147-b6d45172b906/bin-2019/uautomizer/witness.graphml [2018-11-18 10:21:49,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:21:49,001 INFO L168 Benchmark]: Toolchain (without parser) took 8957.32 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.2 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -288.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,002 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:49,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 921.7 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,002 INFO L168 Benchmark]: Boogie Preprocessor took 112.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -205.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,002 INFO L168 Benchmark]: RCFGBuilder took 987.11 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: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,003 INFO L168 Benchmark]: TraceAbstraction took 7387.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -240.4 MB). Peak memory consumption was 312.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,003 INFO L168 Benchmark]: Witness Printer took 115.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:49,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.41 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 921.7 MB in the end (delta: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -205.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 987.11 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: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7387.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -240.4 MB). Peak memory consumption was 312.0 MB. Max. memory is 11.5 GB. * Witness Printer took 115.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 484]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == a11) && !(a25 == 1)) && \old(a17) == a17) || ((a17 <= \old(a17) && \old(a17) == 9) && 1 == a19)) || (a17 <= \old(a17) && 7 == a17)) || !(1 == \old(a19))) || ((!(1 == a11) && (!(8 == a28) || !(8 == a17))) && \old(a17) == a17)) || (1 == a19 && !(1 == a11) && \old(a17) == a17)) || ((((!(8 == a28) || !(8 == a17)) && \old(a17) == a17) && 1 == a19) && a28 <= 9)) || ((!(a28 == a17) && !(a25 == 1)) && 7 == a17)) || 1 == \old(a25)) || 1 == \old(a11)) || (((!(1 == a11) && a17 <= \old(a17)) && \old(a17) == 9) && (!(8 == a28) || !(8 == a17)))) || \old(a17) == \old(a28)) || ((((a17 <= \old(a17) && \old(a17) == 9) && !(a28 == a17)) || (!(a28 == a17) && \old(a17) == a17)) && a28 <= 9)) || 9 < \old(a28)) || (((!(1 == a11) && a17 <= \old(a17)) && \old(a17) == 9) && !(a25 == 1))) || ((((a17 <= \old(a17) && \old(a17) == 9) && !(a28 == a17)) || (!(a28 == a17) && \old(a17) == a17)) && a19 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 644 SDtfs, 4102 SDslu, 765 SDs, 0 SdLazy, 5621 SolverSat, 1421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 440 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2140occurred 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, 5 MinimizatonAttempts, 365 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 223 NumberOfFragments, 625 HoareAnnotationTreeSize, 99 FomulaSimplifications, 3456 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3365 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1194 NumberOfCodeBlocks, 1194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1187 ConstructedInterpolants, 0 QuantifiedInterpolants, 524092 SizeOfPredicates, 1 NumberOfNonLiveVariables, 963 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 506/559 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...