./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_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_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:10:55,238 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:10:55,239 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:10:55,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:10:55,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:10:55,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:10:55,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:10:55,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:10:55,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:10:55,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:10:55,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:10:55,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:10:55,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:10:55,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:10:55,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:10:55,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:10:55,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:10:55,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:10:55,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:10:55,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:10:55,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:10:55,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:10:55,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:10:55,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:10:55,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:10:55,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:10:55,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:10:55,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:10:55,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:10:55,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:10:55,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:10:55,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:10:55,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:10:55,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:10:55,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:10:55,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:10:55,266 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:10:55,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:10:55,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:10:55,276 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:10:55,276 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:10:55,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:10:55,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:10:55,277 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:10:55,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:10:55,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:10:55,279 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:10:55,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:10:55,280 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:10:55,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:10:55,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:10:55,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:10:55,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:10:55,280 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:10:55,281 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:10:55,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:10:55,281 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_58042e43-09f0-4321-b845-2e934061b617/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-18 12:10:55,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:10:55,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:10:55,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:10:55,313 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:10:55,313 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:10:55,314 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:10:55,349 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/data/d13ad06f2/364a8b538a8f4070acb1584cdb4553cd/FLAGc4818688c [2018-11-18 12:10:55,785 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:10:55,786 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:10:55,794 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/data/d13ad06f2/364a8b538a8f4070acb1584cdb4553cd/FLAGc4818688c [2018-11-18 12:10:55,805 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/data/d13ad06f2/364a8b538a8f4070acb1584cdb4553cd [2018-11-18 12:10:55,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:10:55,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:10:55,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:10:55,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:10:55,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:10:55,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:10:55" (1/1) ... [2018-11-18 12:10:55,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:55, skipping insertion in model container [2018-11-18 12:10:55,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:10:55" (1/1) ... [2018-11-18 12:10:55,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:10:55,856 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:10:56,086 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:10:56,089 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:10:56,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:10:56,167 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:10:56,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56 WrapperNode [2018-11-18 12:10:56,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:10:56,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:10:56,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:10:56,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:10:56,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... [2018-11-18 12:10:56,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:10:56,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:10:56,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:10:56,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:10:56,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/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 12:10:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:10:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:10:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:10:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:10:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:10:57,031 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:10:57,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:10:57 BoogieIcfgContainer [2018-11-18 12:10:57,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:10:57,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:10:57,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:10:57,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:10:57,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:10:55" (1/3) ... [2018-11-18 12:10:57,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2466207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:10:57, skipping insertion in model container [2018-11-18 12:10:57,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:10:56" (2/3) ... [2018-11-18 12:10:57,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2466207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:10:57, skipping insertion in model container [2018-11-18 12:10:57,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:10:57" (3/3) ... [2018-11-18 12:10:57,037 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 12:10:57,044 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:10:57,049 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:10:57,058 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:10:57,079 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:10:57,079 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:10:57,080 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:10:57,080 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:10:57,080 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:10:57,080 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:10:57,080 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:10:57,080 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:10:57,080 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:10:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:10:57,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:10:57,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:10:57,105 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:10:57,107 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:10:57,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:57,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2071841880, now seen corresponding path program 1 times [2018-11-18 12:10:57,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:10:57,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:10:57,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:57,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:57,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:57,467 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 12:10:57,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:10:57,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:10:57,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:10:57,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:10:57,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:10:57,482 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-11-18 12:10:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:10:58,231 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-11-18 12:10:58,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:10:58,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-11-18 12:10:58,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:10:58,245 INFO L225 Difference]: With dead ends: 702 [2018-11-18 12:10:58,245 INFO L226 Difference]: Without dead ends: 488 [2018-11-18 12:10:58,249 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 12:10:58,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-18 12:10:58,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-11-18 12:10:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 12:10:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-18 12:10:58,295 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 132 [2018-11-18 12:10:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:10:58,295 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-18 12:10:58,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:10:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-18 12:10:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:10:58,299 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:10:58,299 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:58,299 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:10:58,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:58,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1746853559, now seen corresponding path program 1 times [2018-11-18 12:10:58,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:10:58,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:10:58,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:58,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:58,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:10:58,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:10:58,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:10:58,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:10:58,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:10:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:10:58,388 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 6 states. [2018-11-18 12:10:58,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:10:58,909 INFO L93 Difference]: Finished difference Result 882 states and 1513 transitions. [2018-11-18 12:10:58,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:10:58,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-18 12:10:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:10:58,915 INFO L225 Difference]: With dead ends: 882 [2018-11-18 12:10:58,915 INFO L226 Difference]: Without dead ends: 548 [2018-11-18 12:10:58,916 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 12:10:58,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-18 12:10:58,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-11-18 12:10:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-18 12:10:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 836 transitions. [2018-11-18 12:10:58,936 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 836 transitions. Word has length 143 [2018-11-18 12:10:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:10:58,936 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 836 transitions. [2018-11-18 12:10:58,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:10:58,936 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 836 transitions. [2018-11-18 12:10:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:10:58,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:10:58,939 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:10:58,939 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:10:58,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:58,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1493139701, now seen corresponding path program 1 times [2018-11-18 12:10:58,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:10:58,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:10:58,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:58,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:58,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:10:59,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:10:59,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:10:59,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:10:59,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:10:59,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:10:59,159 INFO L87 Difference]: Start difference. First operand 531 states and 836 transitions. Second operand 5 states. [2018-11-18 12:10:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:10:59,661 INFO L93 Difference]: Finished difference Result 1192 states and 1911 transitions. [2018-11-18 12:10:59,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:10:59,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-11-18 12:10:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:10:59,665 INFO L225 Difference]: With dead ends: 1192 [2018-11-18 12:10:59,665 INFO L226 Difference]: Without dead ends: 528 [2018-11-18 12:10:59,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:10:59,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-18 12:10:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2018-11-18 12:10:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-11-18 12:10:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 782 transitions. [2018-11-18 12:10:59,683 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 782 transitions. Word has length 144 [2018-11-18 12:10:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:10:59,683 INFO L480 AbstractCegarLoop]: Abstraction has 528 states and 782 transitions. [2018-11-18 12:10:59,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:10:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 782 transitions. [2018-11-18 12:10:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 12:10:59,686 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:10:59,686 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-11-18 12:10:59,686 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:10:59,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:59,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1935386109, now seen corresponding path program 1 times [2018-11-18 12:10:59,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:10:59,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:10:59,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:59,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:59,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:10:59,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:10:59,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:10:59,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:10:59,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:10:59,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:10:59,777 INFO L87 Difference]: Start difference. First operand 528 states and 782 transitions. Second operand 3 states. [2018-11-18 12:11:00,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:00,067 INFO L93 Difference]: Finished difference Result 1493 states and 2284 transitions. [2018-11-18 12:11:00,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:11:00,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-18 12:11:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:00,071 INFO L225 Difference]: With dead ends: 1493 [2018-11-18 12:11:00,071 INFO L226 Difference]: Without dead ends: 971 [2018-11-18 12:11:00,072 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 12:11:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-11-18 12:11:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2018-11-18 12:11:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2018-11-18 12:11:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2018-11-18 12:11:00,092 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 148 [2018-11-18 12:11:00,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:00,093 INFO L480 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2018-11-18 12:11:00,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:11:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2018-11-18 12:11:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:11:00,095 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:11:00,095 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:00,095 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:11:00,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:00,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1185891811, now seen corresponding path program 1 times [2018-11-18 12:11:00,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:00,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:00,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:00,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:00,173 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:00,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:11:00,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:11:00,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:11:00,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:11:00,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:11:00,174 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand 6 states. [2018-11-18 12:11:00,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:00,659 INFO L93 Difference]: Finished difference Result 2867 states and 4269 transitions. [2018-11-18 12:11:00,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:11:00,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 12:11:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:00,666 INFO L225 Difference]: With dead ends: 2867 [2018-11-18 12:11:00,666 INFO L226 Difference]: Without dead ends: 1902 [2018-11-18 12:11:00,669 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 12:11:00,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2018-11-18 12:11:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1873. [2018-11-18 12:11:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1873 states. [2018-11-18 12:11:00,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2527 transitions. [2018-11-18 12:11:00,708 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2527 transitions. Word has length 164 [2018-11-18 12:11:00,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:00,708 INFO L480 AbstractCegarLoop]: Abstraction has 1873 states and 2527 transitions. [2018-11-18 12:11:00,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:11:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2527 transitions. [2018-11-18 12:11:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:11:00,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:11:00,713 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:00,713 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:11:00,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:00,713 INFO L82 PathProgramCache]: Analyzing trace with hash -151226562, now seen corresponding path program 1 times [2018-11-18 12:11:00,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:00,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:00,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:00,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:00,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:11:00,821 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/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 12:11:00,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:00,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:11:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:00,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:11:00,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 12:11:00,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:11:00,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:11:00,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:11:00,976 INFO L87 Difference]: Start difference. First operand 1873 states and 2527 transitions. Second operand 9 states. [2018-11-18 12:11:01,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:01,933 INFO L93 Difference]: Finished difference Result 5978 states and 8414 transitions. [2018-11-18 12:11:01,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:11:01,933 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2018-11-18 12:11:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:01,946 INFO L225 Difference]: With dead ends: 5978 [2018-11-18 12:11:01,946 INFO L226 Difference]: Without dead ends: 4111 [2018-11-18 12:11:01,952 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:11:01,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4111 states. [2018-11-18 12:11:02,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4111 to 3747. [2018-11-18 12:11:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3747 states. [2018-11-18 12:11:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 4948 transitions. [2018-11-18 12:11:02,021 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 4948 transitions. Word has length 177 [2018-11-18 12:11:02,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:02,021 INFO L480 AbstractCegarLoop]: Abstraction has 3747 states and 4948 transitions. [2018-11-18 12:11:02,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:11:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4948 transitions. [2018-11-18 12:11:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 12:11:02,027 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:11:02,027 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:02,027 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:11:02,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:02,027 INFO L82 PathProgramCache]: Analyzing trace with hash 561801102, now seen corresponding path program 1 times [2018-11-18 12:11:02,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:11:02,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:11:02,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:02,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:11:02,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:11:02,115 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/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 12:11:02,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:02,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:11:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:11:02,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:11:02,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 12:11:02,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:11:02,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:11:02,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:11:02,258 INFO L87 Difference]: Start difference. First operand 3747 states and 4948 transitions. Second operand 8 states. [2018-11-18 12:11:03,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:03,364 INFO L93 Difference]: Finished difference Result 7936 states and 10704 transitions. [2018-11-18 12:11:03,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:11:03,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-11-18 12:11:03,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:03,365 INFO L225 Difference]: With dead ends: 7936 [2018-11-18 12:11:03,365 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:11:03,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:11:03,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:11:03,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:11:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:11:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:11:03,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-11-18 12:11:03,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:03,378 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:11:03,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:11:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:11:03,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:11:03,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:11:03,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:11:03,850 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2018-11-18 12:11:04,039 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-18 12:11:04,234 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 |old(~a7~0)|)) [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,236 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,237 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 12:11:04,238 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 12:11:04,239 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 12:11:04,240 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 12:11:04,241 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 12:11:04,242 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 12:11:04,243 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 12:11:04,244 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= |old(~a8~0)| ~a8~0)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= |old(~a16~0)| ~a16~0)) (.cse14 (= 1 ~a17~0)) (.cse12 (= ~a20~0 |old(~a20~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse8 (<= ~a7~0 |old(~a7~0)|)) (.cse17 (= 1 |old(~a17~0)|))) (let ((.cse1 (not (= 1 |old(~a21~0)|))) (.cse11 (= 1 ~a21~0)) (.cse5 (= 13 |old(~a8~0)|)) (.cse13 (not .cse17)) (.cse0 (= 6 |old(~a16~0)|)) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (and .cse9 .cse10 .cse7 (or (not (= ~a7~0 ~a17~0)) (not .cse14)) .cse12 .cse16 .cse8)) (.cse3 (and (= |old(~a7~0)| |old(~a17~0)|) .cse17)) (.cse4 (not (= 8 ~a12~0))) (.cse15 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse2) (or .cse1 .cse6 .cse4 (< 0 |old(~a7~0)|) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) .cse13) (or .cse1 .cse6 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse11 .cse14) .cse4 (not (= 1 |old(~a7~0)|)) (not .cse5) .cse13) (or .cse0 .cse4 .cse15 (and .cse9 .cse10 .cse7 .cse12 .cse16 .cse8)) (or .cse6 .cse2 .cse3 .cse4 .cse15)))) [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,245 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,246 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 12:11:04,247 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 12:11:04,248 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-18 12:11:04,249 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (and (= |old(~a16~0)| ~a16~0) (<= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= 1 ~a17~0))) (let ((.cse0 (<= ~a21~0 0)) (.cse3 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not .cse5))) (.cse1 (= 1 ~a20~0)) (.cse4 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (and .cse0 .cse3) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse2 .cse4 (not (= ~a8~0 13))) (not (= 1 |old(~a17~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse4) (and .cse3 .cse2 .cse4) (and .cse1 .cse4 (<= ~a7~0 0) .cse5)))) [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 12:11:04,249 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse5 (= 1 ~a17~0))) (let ((.cse0 (<= ~a21~0 0)) (.cse3 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not .cse5))) (.cse1 (= 1 ~a20~0)) (.cse4 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (and .cse0 .cse3) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse2 .cse4 (not (= ~a8~0 13))) (not (= 1 |old(~a17~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse4) (and .cse3 .cse2 .cse4) (and .cse1 .cse4 (<= ~a7~0 0) .cse5)))) [2018-11-18 12:11:04,249 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:11:04,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:11:04 BoogieIcfgContainer [2018-11-18 12:11:04,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:11:04,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:11:04,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:11:04,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:11:04,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:10:57" (3/4) ... [2018-11-18 12:11:04,265 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:11:04,271 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:11:04,271 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:11:04,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:11:04,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:11:04,283 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:11:04,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == \old(a21)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a20))) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a17))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17) [2018-11-18 12:11:04,386 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58042e43-09f0-4321-b845-2e934061b617/bin-2019/uautomizer/witness.graphml [2018-11-18 12:11:04,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:11:04,387 INFO L168 Benchmark]: Toolchain (without parser) took 8578.62 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 459.8 MB). Free memory was 951.2 MB in the beginning and 1.4 GB in the end (delta: -432.1 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,387 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:11:04,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,388 INFO L168 Benchmark]: Boogie Preprocessor took 113.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -243.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,388 INFO L168 Benchmark]: RCFGBuilder took 750.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,388 INFO L168 Benchmark]: TraceAbstraction took 7229.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.4 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -359.5 MB). Peak memory consumption was 507.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,389 INFO L168 Benchmark]: Witness Printer took 124.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:11:04,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -243.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 750.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 113.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7229.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.4 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -359.5 MB). Peak memory consumption was 507.3 MB. Max. memory is 11.5 GB. * Witness Printer took 124.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a21)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a20))) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a17))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 4880 SDslu, 859 SDs, 0 SdLazy, 6414 SolverSat, 1364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 381 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3747occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 558 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 171 NumberOfFragments, 574 HoareAnnotationTreeSize, 93 FomulaSimplifications, 11370 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3449 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 908218 SizeOfPredicates, 3 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 246/279 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...