./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/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 05d2a3ff1add36607a16806c355c4adc86a8978e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:46:14,329 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:46:14,331 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:46:14,339 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:46:14,339 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:46:14,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:46:14,341 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:46:14,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:46:14,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:46:14,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:46:14,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:46:14,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:46:14,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:46:14,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:46:14,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:46:14,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:46:14,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:46:14,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:46:14,352 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:46:14,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:46:14,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:46:14,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:46:14,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:46:14,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:46:14,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:46:14,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:46:14,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:46:14,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:46:14,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:46:14,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:46:14,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:46:14,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:46:14,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:46:14,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:46:14,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:46:14,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:46:14,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:46:14,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:46:14,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:46:14,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:46:14,374 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:46:14,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:46:14,375 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:46:14,375 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:46:14,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:46:14,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:46:14,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:46:14,377 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:46:14,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:46:14,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:46:14,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:46:14,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:46:14,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:46:14,378 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:46:14,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:46:14,379 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_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-11-28 12:46:14,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:46:14,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:46:14,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:46:14,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:46:14,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:46:14,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-28 12:46:14,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/data/d88ddb99f/79501dde3f024cac9ad60e876ee8d35d/FLAG33431be5c [2018-11-28 12:46:14,799 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:46:14,800 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-28 12:46:14,808 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/data/d88ddb99f/79501dde3f024cac9ad60e876ee8d35d/FLAG33431be5c [2018-11-28 12:46:14,820 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/data/d88ddb99f/79501dde3f024cac9ad60e876ee8d35d [2018-11-28 12:46:14,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:46:14,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:46:14,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:14,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:46:14,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:46:14,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:14" (1/1) ... [2018-11-28 12:46:14,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0fc3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:14, skipping insertion in model container [2018-11-28 12:46:14,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:14" (1/1) ... [2018-11-28 12:46:14,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:46:14,866 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:46:15,104 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:15,109 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:46:15,236 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:15,246 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:46:15,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15 WrapperNode [2018-11-28 12:46:15,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:15,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:15,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:46:15,247 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:46:15,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:15,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:46:15,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:46:15,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:46:15,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... [2018-11-28 12:46:15,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:46:15,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:46:15,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:46:15,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:46:15,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/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 [2018-11-28 12:46:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:46:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 12:46:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:46:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:46:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:46:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:46:16,305 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:46:16,306 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:46:16,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:16 BoogieIcfgContainer [2018-11-28 12:46:16,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:46:16,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:46:16,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:46:16,310 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:46:16,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:46:14" (1/3) ... [2018-11-28 12:46:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54223669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:16, skipping insertion in model container [2018-11-28 12:46:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:15" (2/3) ... [2018-11-28 12:46:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54223669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:16, skipping insertion in model container [2018-11-28 12:46:16,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:16" (3/3) ... [2018-11-28 12:46:16,317 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-11-28 12:46:16,325 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:46:16,332 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:46:16,347 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:46:16,383 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:46:16,384 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:46:16,384 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:46:16,384 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:46:16,384 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:46:16,384 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:46:16,385 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:46:16,385 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:46:16,385 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:46:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 12:46:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 12:46:16,414 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:16,415 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:16,417 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:16,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:16,421 INFO L82 PathProgramCache]: Analyzing trace with hash -421627906, now seen corresponding path program 1 times [2018-11-28 12:46:16,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:16,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:16,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:16,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:16,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:16,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:16,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:46:16,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:16,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:16,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:16,780 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 12:46:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:17,367 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 12:46:17,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:17,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-28 12:46:17,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:17,378 INFO L225 Difference]: With dead ends: 547 [2018-11-28 12:46:17,379 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 12:46:17,383 INFO L631 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 [2018-11-28 12:46:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 12:46:17,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 12:46:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 12:46:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-11-28 12:46:17,427 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 132 [2018-11-28 12:46:17,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:17,428 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-11-28 12:46:17,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-11-28 12:46:17,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 12:46:17,431 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:17,431 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:17,432 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:17,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:17,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1878869349, now seen corresponding path program 1 times [2018-11-28 12:46:17,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:17,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:17,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:17,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:17,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:17,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:17,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:46:17,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:46:17,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:46:17,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:46:17,531 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-11-28 12:46:17,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:17,961 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-11-28 12:46:17,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:46:17,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-28 12:46:17,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:17,966 INFO L225 Difference]: With dead ends: 840 [2018-11-28 12:46:17,967 INFO L226 Difference]: Without dead ends: 568 [2018-11-28 12:46:17,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:46:17,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-28 12:46:17,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-11-28 12:46:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-11-28 12:46:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-11-28 12:46:17,997 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 141 [2018-11-28 12:46:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:17,998 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-11-28 12:46:17,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:46:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-11-28 12:46:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 12:46:18,002 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:18,002 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:18,002 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:18,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:18,002 INFO L82 PathProgramCache]: Analyzing trace with hash -260285342, now seen corresponding path program 1 times [2018-11-28 12:46:18,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:18,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:18,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:18,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:18,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:18,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:46:18,084 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/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 [2018-11-28 12:46:18,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:18,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:46:18,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:46:18,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 12:46:18,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:46:18,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:46:18,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:46:18,234 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2018-11-28 12:46:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:19,120 INFO L93 Difference]: Finished difference Result 1960 states and 2898 transitions. [2018-11-28 12:46:19,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:46:19,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 152 [2018-11-28 12:46:19,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:19,132 INFO L225 Difference]: With dead ends: 1960 [2018-11-28 12:46:19,132 INFO L226 Difference]: Without dead ends: 1408 [2018-11-28 12:46:19,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:46:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2018-11-28 12:46:19,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2018-11-28 12:46:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2018-11-28 12:46:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1890 transitions. [2018-11-28 12:46:19,177 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1890 transitions. Word has length 152 [2018-11-28 12:46:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:19,177 INFO L480 AbstractCegarLoop]: Abstraction has 1382 states and 1890 transitions. [2018-11-28 12:46:19,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:46:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1890 transitions. [2018-11-28 12:46:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 12:46:19,182 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:19,182 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:19,182 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:19,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:19,182 INFO L82 PathProgramCache]: Analyzing trace with hash 261581127, now seen corresponding path program 1 times [2018-11-28 12:46:19,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:19,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:19,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:19,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:19,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:46:19,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:46:19,312 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/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 [2018-11-28 12:46:19,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:19,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:46:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:19,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:46:19,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 12:46:19,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:46:19,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:46:19,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:46:19,422 INFO L87 Difference]: Start difference. First operand 1382 states and 1890 transitions. Second operand 5 states. [2018-11-28 12:46:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:19,871 INFO L93 Difference]: Finished difference Result 1674 states and 2318 transitions. [2018-11-28 12:46:19,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:46:19,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2018-11-28 12:46:19,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:19,873 INFO L225 Difference]: With dead ends: 1674 [2018-11-28 12:46:19,873 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:46:19,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:46:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:46:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:46:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:46:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:46:19,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2018-11-28 12:46:19,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:19,876 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:46:19,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:46:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:46:19,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:46:19,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:46:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:19,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:19,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:19,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:19,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:19,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:46:20,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:46:20,108 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 12:46:20,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 12:46:20,109 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,110 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 12:46:20,111 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 12:46:20,112 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 12:46:20,113 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,114 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 12:46:20,115 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 12:46:20,116 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,117 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,118 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 12:46:20,119 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse4 (= |old(~a8~0)| ~a8~0)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= 6 |old(~a16~0)|)) (.cse7 (= 14 |old(~a8~0)|)) (.cse1 (<= ~a20~0 0)) (.cse2 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 (< |old(~a8~0)| 15) .cse2) (or .cse3 .cse0 (and .cse4 .cse5 .cse6)) (or .cse3 .cse5 .cse7) (or .cse3 .cse0 .cse1 .cse2) (or .cse7 (and .cse4 .cse6)) (or .cse3 .cse7 .cse1 .cse2))) [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 12:46:20,120 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 12:46:20,121 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-11-28 12:46:20,122 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 12:46:20,123 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 12:46:20,124 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:46:20,125 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (not (= ~a16~0 6)) (= 1 ~a21~0)) [2018-11-28 12:46:20,125 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:46:20,125 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:46:20,126 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a21~0 |old(~a21~0)|)) (< |old(~a8~0)| 15)) [2018-11-28 12:46:20,126 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:46:20,126 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (not (= ~a16~0 6)) (= 1 ~a21~0)) (not (= ~a8~0 14)) (< |old(~a8~0)| 15)) [2018-11-28 12:46:20,126 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 12:46:20,126 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 12:46:20,126 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and (not (= ~a16~0 6)) (= 1 ~a21~0)) (not (= ~a8~0 14)) (< |old(~a8~0)| 15)) [2018-11-28 12:46:20,126 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:46:20,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:46:20 BoogieIcfgContainer [2018-11-28 12:46:20,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:46:20,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:46:20,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:46:20,138 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:46:20,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:16" (3/4) ... [2018-11-28 12:46:20,142 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:46:20,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:46:20,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 12:46:20,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:46:20,158 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 12:46:20,159 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:46:20,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a21)) || !(a8 == 14)) || \old(a8) < 15 [2018-11-28 12:46:20,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de988ff1-5dd8-4f6a-9f4c-36d470d7f18f/bin-2019/uautomizer/witness.graphml [2018-11-28 12:46:20,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:46:20,252 INFO L168 Benchmark]: Toolchain (without parser) took 5429.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 956.0 MB in the beginning and 931.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,253 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:20,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,254 INFO L168 Benchmark]: Boogie Preprocessor took 49.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,254 INFO L168 Benchmark]: RCFGBuilder took 985.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,255 INFO L168 Benchmark]: TraceAbstraction took 3831.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 989.4 MB in the beginning and 946.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,255 INFO L168 Benchmark]: Witness Printer took 113.08 ms. Allocated memory is still 1.3 GB. Free memory was 946.7 MB in the beginning and 931.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:20,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 985.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.4 MB in the end (delta: 111.1 MB). Peak memory consumption was 111.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3831.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 989.4 MB in the beginning and 946.7 MB in the end (delta: 42.7 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. * Witness Printer took 113.08 ms. Allocated memory is still 1.3 GB. Free memory was 946.7 MB in the beginning and 931.8 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a21)) || !(a8 == 14)) || \old(a8) < 15 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 112 SDtfs, 1653 SDslu, 161 SDs, 0 SdLazy, 2750 SolverSat, 566 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 317 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1382occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 29 PreInvPairs, 61 NumberOfFragments, 177 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1070 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 485 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 873 ConstructedInterpolants, 0 QuantifiedInterpolants, 328034 SizeOfPredicates, 4 NumberOfNonLiveVariables, 825 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 69/84 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...