./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label51_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem10_label51_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 17:03:44,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:03:44,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:03:44,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:03:44,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:03:44,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:03:44,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:03:44,187 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:03:44,189 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:03:44,190 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:03:44,191 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:03:44,191 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:03:44,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:03:44,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:03:44,195 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:03:44,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:03:44,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:03:44,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:03:44,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:03:44,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:03:44,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:03:44,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:03:44,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:03:44,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:03:44,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:03:44,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:03:44,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:03:44,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:03:44,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:03:44,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:03:44,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:03:44,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:03:44,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:03:44,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:03:44,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:03:44,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:03:44,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:03:44,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:03:44,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:03:44,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:03:44,241 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:03:44,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:03:44,243 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:03:44,243 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:03:44,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:03:44,243 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:03:44,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:03:44,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:03:44,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:03:44,247 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:03:44,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:03:44,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:03:44,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:03:44,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:03:44,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:03:44,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:03:44,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:03:44,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:03:44,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:03:44,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:03:44,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:03:44,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:03:44,249 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac [2018-11-28 17:03:44,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:03:44,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:03:44,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:03:44,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:03:44,321 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:03:44,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-28 17:03:44,387 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6478b9c2/c43d5a3dde7f43fa8442032c8b8f3baa/FLAG4d2b29b8f [2018-11-28 17:03:44,999 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:03:45,002 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-28 17:03:45,019 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6478b9c2/c43d5a3dde7f43fa8442032c8b8f3baa/FLAG4d2b29b8f [2018-11-28 17:03:45,215 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6478b9c2/c43d5a3dde7f43fa8442032c8b8f3baa [2018-11-28 17:03:45,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:03:45,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:03:45,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:45,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:03:45,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:03:45,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:45,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac9139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45, skipping insertion in model container [2018-11-28 17:03:45,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:45,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:03:45,304 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:03:45,738 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:45,747 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:03:45,875 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:45,896 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:03:45,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45 WrapperNode [2018-11-28 17:03:45,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:45,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:45,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:03:45,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:03:45,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:46,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:03:46,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:03:46,016 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:03:46,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... [2018-11-28 17:03:46,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:03:46,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:03:46,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:03:46,112 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:03:46,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:03:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:03:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:03:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 17:03:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 17:03:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:03:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:03:46,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:03:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:03:49,234 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:03:49,235 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 17:03:49,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:49 BoogieIcfgContainer [2018-11-28 17:03:49,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:03:49,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:03:49,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:03:49,240 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:03:49,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:45" (1/3) ... [2018-11-28 17:03:49,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1b62d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:49, skipping insertion in model container [2018-11-28 17:03:49,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:45" (2/3) ... [2018-11-28 17:03:49,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1b62d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:49, skipping insertion in model container [2018-11-28 17:03:49,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:49" (3/3) ... [2018-11-28 17:03:49,247 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label51_true-unreach-call.c [2018-11-28 17:03:49,258 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:03:49,273 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:03:49,291 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:03:49,326 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:03:49,327 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:03:49,327 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:03:49,327 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:03:49,327 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:03:49,327 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:03:49,327 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:03:49,328 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:03:49,328 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:03:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-28 17:03:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 17:03:49,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:49,366 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:49,369 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:49,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:49,375 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2018-11-28 17:03:49,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:49,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:49,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:49,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:49,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:49,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:49,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 17:03:49,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 17:03:49,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 17:03:49,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:03:49,966 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-11-28 17:03:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:52,569 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-11-28 17:03:52,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 17:03:52,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-11-28 17:03:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:52,591 INFO L225 Difference]: With dead ends: 733 [2018-11-28 17:03:52,592 INFO L226 Difference]: Without dead ends: 437 [2018-11-28 17:03:52,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:03:52,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-28 17:03:52,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 294. [2018-11-28 17:03:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-28 17:03:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-11-28 17:03:52,682 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 56 [2018-11-28 17:03:52,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:52,683 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-11-28 17:03:52,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 17:03:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-11-28 17:03:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-28 17:03:52,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:52,692 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 17:03:52,692 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:52,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:52,693 INFO L82 PathProgramCache]: Analyzing trace with hash 371731122, now seen corresponding path program 1 times [2018-11-28 17:03:52,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:52,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:52,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:52,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:52,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 17:03:53,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:03:53,037 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 17:03:53,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:53,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:03:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:53,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 17:03:53,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 17:03:53,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 17:03:53,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 17:03:53,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 17:03:53,232 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-11-28 17:03:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:55,830 INFO L93 Difference]: Finished difference Result 1472 states and 2371 transitions. [2018-11-28 17:03:55,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 17:03:55,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-11-28 17:03:55,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:55,847 INFO L225 Difference]: With dead ends: 1472 [2018-11-28 17:03:55,847 INFO L226 Difference]: Without dead ends: 1184 [2018-11-28 17:03:55,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:03:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2018-11-28 17:03:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 729. [2018-11-28 17:03:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-28 17:03:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1084 transitions. [2018-11-28 17:03:55,957 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1084 transitions. Word has length 126 [2018-11-28 17:03:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:55,961 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1084 transitions. [2018-11-28 17:03:55,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 17:03:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1084 transitions. [2018-11-28 17:03:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-28 17:03:55,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:55,977 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:03:55,978 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:55,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:55,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1620546799, now seen corresponding path program 1 times [2018-11-28 17:03:55,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:55,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:55,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:55,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:55,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:56,358 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:03:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:56,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:56,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:03:56,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:03:56,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:03:56,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:03:56,553 INFO L87 Difference]: Start difference. First operand 729 states and 1084 transitions. Second operand 6 states. [2018-11-28 17:03:59,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:59,033 INFO L93 Difference]: Finished difference Result 1766 states and 2666 transitions. [2018-11-28 17:03:59,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:03:59,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 197 [2018-11-28 17:03:59,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:59,048 INFO L225 Difference]: With dead ends: 1766 [2018-11-28 17:03:59,049 INFO L226 Difference]: Without dead ends: 1043 [2018-11-28 17:03:59,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:03:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-11-28 17:03:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 886. [2018-11-28 17:03:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-28 17:03:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1179 transitions. [2018-11-28 17:03:59,106 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1179 transitions. Word has length 197 [2018-11-28 17:03:59,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:59,108 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1179 transitions. [2018-11-28 17:03:59,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:03:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1179 transitions. [2018-11-28 17:03:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-28 17:03:59,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:59,118 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2018-11-28 17:03:59,118 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:59,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:59,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1951155213, now seen corresponding path program 1 times [2018-11-28 17:03:59,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:59,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:59,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:59,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:59,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:59,483 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:04:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 99 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-28 17:04:00,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:04:00,059 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 17:04:00,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:04:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:04:00,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:04:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:04:00,354 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 17:04:00,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 17:04:00,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 17:04:00,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 17:04:00,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-28 17:04:00,356 INFO L87 Difference]: Start difference. First operand 886 states and 1179 transitions. Second operand 11 states. [2018-11-28 17:04:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:04:05,204 INFO L93 Difference]: Finished difference Result 3308 states and 4724 transitions. [2018-11-28 17:04:05,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 17:04:05,205 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 276 [2018-11-28 17:04:05,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:04:05,216 INFO L225 Difference]: With dead ends: 3308 [2018-11-28 17:04:05,216 INFO L226 Difference]: Without dead ends: 1512 [2018-11-28 17:04:05,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2018-11-28 17:04:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2018-11-28 17:04:05,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1488. [2018-11-28 17:04:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2018-11-28 17:04:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1801 transitions. [2018-11-28 17:04:05,276 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1801 transitions. Word has length 276 [2018-11-28 17:04:05,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:04:05,277 INFO L480 AbstractCegarLoop]: Abstraction has 1488 states and 1801 transitions. [2018-11-28 17:04:05,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 17:04:05,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1801 transitions. [2018-11-28 17:04:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-28 17:04:05,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:04:05,285 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 17:04:05,286 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:04:05,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:04:05,286 INFO L82 PathProgramCache]: Analyzing trace with hash -685542405, now seen corresponding path program 1 times [2018-11-28 17:04:05,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:04:05,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:04:05,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:05,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:04:05,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:04:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-28 17:04:05,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:04:05,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 17:04:05,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 17:04:05,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 17:04:05,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:04:05,548 INFO L87 Difference]: Start difference. First operand 1488 states and 1801 transitions. Second operand 4 states. [2018-11-28 17:04:06,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:04:06,628 INFO L93 Difference]: Finished difference Result 3111 states and 3827 transitions. [2018-11-28 17:04:06,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 17:04:06,629 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 312 [2018-11-28 17:04:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:04:06,630 INFO L225 Difference]: With dead ends: 3111 [2018-11-28 17:04:06,630 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:04:06,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:04:06,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:04:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:04:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:04:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:04:06,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2018-11-28 17:04:06,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:04:06,639 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:04:06,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 17:04:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:04:06,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:04:06,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:04:06,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:06,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:07,073 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-11-28 17:04:07,622 WARN L180 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2018-11-28 17:04:08,329 WARN L180 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2018-11-28 17:04:08,480 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2018-11-28 17:04:08,615 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2018-11-28 17:04:08,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:04:08,618 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) [2018-11-28 17:04:08,618 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-28 17:04:08,619 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-28 17:04:08,620 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 17:04:08,621 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,622 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 17:04:08,623 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-28 17:04:08,624 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-28 17:04:08,625 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 17:04:08,626 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,627 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 17:04:08,628 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 17:04:08,629 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 17:04:08,630 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,631 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-28 17:04:08,632 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= |old(~a19~0)| ~a19~0)) (.cse2 (= |old(~a10~0)| ~a10~0))) (let ((.cse0 (and .cse1 .cse2))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or (<= (+ |old(~a1~0)| 13) 0) (< 8 |old(~a19~0)|) (and .cse1 (< 0 (+ ~a1~0 13)) .cse2) (= 1 |old(~a10~0)|)) (or (< 2 |old(~a10~0)|) .cse0) (or .cse0 (not (= 4 |old(~a10~0)|)))))) [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,633 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 17:04:08,634 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,635 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 17:04:08,636 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,637 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 17:04:08,638 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:04:08,639 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= ~a19~0 8)) (<= ~a10~0 2) (not (= ~a10~0 1))) [2018-11-28 17:04:08,639 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:04:08,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:04:08,640 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (< 2 |old(~a10~0)|) (and (<= 23 ~a1~0) (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) (= 8 |old(~a19~0)|) (= 1 |old(~a10~0)|)) [2018-11-28 17:04:08,640 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:04:08,640 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1) (and (= 4 ~a10~0) .cse1) (< |old(~a1~0)| 23) (and (= |old(~a19~0)| ~a19~0) .cse0 (not (= ~a10~0 1))) (and (< 0 (+ ~a1~0 13)) .cse1) (< 2 |old(~a10~0)|) (= 8 |old(~a19~0)|) (and (not (= ~a19~0 8)) .cse1) (= 1 |old(~a10~0)|))) [2018-11-28 17:04:08,640 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-28 17:04:08,640 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-28 17:04:08,640 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a10~0 2)) (.cse1 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1) (and (= 4 ~a10~0) .cse1) (< |old(~a1~0)| 23) (and (= |old(~a19~0)| ~a19~0) .cse0 (not (= ~a10~0 1))) (and (< 0 (+ ~a1~0 13)) .cse1) (< 2 |old(~a10~0)|) (= 8 |old(~a19~0)|) (and (not (= ~a19~0 8)) .cse1) (= 1 |old(~a10~0)|))) [2018-11-28 17:04:08,640 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:04:08,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:04:08 BoogieIcfgContainer [2018-11-28 17:04:08,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:04:08,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:04:08,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:04:08,660 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:04:08,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:49" (3/4) ... [2018-11-28 17:04:08,664 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:04:08,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:04:08,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 17:04:08,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:04:08,706 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 17:04:08,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:04:08,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((a10 <= 2 && 9 <= \old(a19)) || (4 == a10 && 9 <= \old(a19))) || \old(a1) < 23) || ((\old(a19) == a19 && a10 <= 2) && !(a10 == 1))) || (0 < a1 + 13 && 9 <= \old(a19))) || 2 < \old(a10)) || 8 == \old(a19)) || (!(a19 == 8) && 9 <= \old(a19))) || 1 == \old(a10) [2018-11-28 17:04:08,918 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:04:08,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:04:08,924 INFO L168 Benchmark]: Toolchain (without parser) took 23704.97 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.1 MB). Free memory was 947.3 MB in the beginning and 1.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 261.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,925 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:04:08,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.07 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 915.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,926 INFO L168 Benchmark]: Boogie Preprocessor took 95.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:04:08,926 INFO L168 Benchmark]: RCFGBuilder took 3123.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 100.9 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,927 INFO L168 Benchmark]: TraceAbstraction took 19422.72 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 996.1 MB in the beginning and 1.0 GB in the end (delta: -49.0 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,927 INFO L168 Benchmark]: Witness Printer took 263.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:08,932 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.07 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 915.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3123.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 100.9 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19422.72 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 996.1 MB in the beginning and 1.0 GB in the end (delta: -49.0 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. * Witness Printer took 263.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((a10 <= 2 && 9 <= \old(a19)) || (4 == a10 && 9 <= \old(a19))) || \old(a1) < 23) || ((\old(a19) == a19 && a10 <= 2) && !(a10 == 1))) || (0 < a1 + 13 && 9 <= \old(a19))) || 2 < \old(a10)) || 8 == \old(a19)) || (!(a19 == 8) && 9 <= \old(a19))) || 1 == \old(a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 159 SDtfs, 3253 SDslu, 247 SDs, 0 SdLazy, 5951 SolverSat, 1407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 429 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1488occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 779 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 130 NumberOfFragments, 224 HoareAnnotationTreeSize, 66 FomulaSimplifications, 7003 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1431 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1369 NumberOfCodeBlocks, 1369 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1362 ConstructedInterpolants, 0 QuantifiedInterpolants, 931354 SizeOfPredicates, 2 NumberOfNonLiveVariables, 715 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 661/714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...