/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/array-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:49:48,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:49:48,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:49:48,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:49:48,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:49:48,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:49:48,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:49:48,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:49:48,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:49:48,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:49:48,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:49:48,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:49:48,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:49:48,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:49:48,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:49:48,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:49:48,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:49:48,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:49:48,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:49:48,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:49:48,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:49:48,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:49:48,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:49:48,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:49:48,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:49:48,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:49:48,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:49:48,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:49:48,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:49:48,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:49:48,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:49:48,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:49:48,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:49:48,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:49:48,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:49:48,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:49:48,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:49:48,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:49:48,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:49:48,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:49:48,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:49:48,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 21:49:48,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:49:48,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:49:48,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:49:48,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:49:48,313 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:49:48,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:49:48,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:49:48,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:49:48,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:49:48,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:49:48,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:49:48,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:49:48,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:49:48,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:49:48,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:49:48,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:49:48,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:49:48,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:49:48,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:49:48,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:49:48,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:49:48,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:49:48,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:49:48,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:49:48,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:49:48,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:49:48,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:49:48,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:49:48,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:49:48,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:49:48,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:49:48,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:49:48,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:49:48,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:49:48,870 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:49:48,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2020-09-24 21:49:48,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a741a603c/a7a717ec01f44a3dae439fdaafd891b0/FLAG4fca8f999 [2020-09-24 21:49:49,503 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:49:49,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-2.c [2020-09-24 21:49:49,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a741a603c/a7a717ec01f44a3dae439fdaafd891b0/FLAG4fca8f999 [2020-09-24 21:49:49,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a741a603c/a7a717ec01f44a3dae439fdaafd891b0 [2020-09-24 21:49:49,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:49:49,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:49:49,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:49,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:49:49,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:49:49,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:49" (1/1) ... [2020-09-24 21:49:49,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba61646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:49, skipping insertion in model container [2020-09-24 21:49:49,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:49" (1/1) ... [2020-09-24 21:49:49,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:49:49,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:49:50,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:50,155 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:49:50,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:50,202 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:49:50,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50 WrapperNode [2020-09-24 21:49:50,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:50,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:49:50,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:49:50,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:49:50,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... [2020-09-24 21:49:50,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:49:50,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:49:50,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:49:50,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:49:50,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 21:49:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:49:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:49:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 21:49:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:49:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:49:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 21:49:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:49:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:49:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:49:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:49:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:49:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:49:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:49:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:49:50,800 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:49:50,801 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 21:49:50,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:50 BoogieIcfgContainer [2020-09-24 21:49:50,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:49:50,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:49:50,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:49:50,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:49:50,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:49:49" (1/3) ... [2020-09-24 21:49:50,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af3df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:50, skipping insertion in model container [2020-09-24 21:49:50,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:50" (2/3) ... [2020-09-24 21:49:50,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af3df67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:50, skipping insertion in model container [2020-09-24 21:49:50,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:50" (3/3) ... [2020-09-24 21:49:50,816 INFO L109 eAbstractionObserver]: Analyzing ICFG array-2.c [2020-09-24 21:49:50,828 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:49:50,839 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:49:50,859 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:49:50,888 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:49:50,888 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:49:50,888 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:49:50,888 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:49:50,888 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:49:50,889 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:49:50,889 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:49:50,889 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:49:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-09-24 21:49:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 21:49:50,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:50,919 INFO L422 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] [2020-09-24 21:49:50,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:50,926 INFO L82 PathProgramCache]: Analyzing trace with hash 683487989, now seen corresponding path program 1 times [2020-09-24 21:49:50,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:50,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968350270] [2020-09-24 21:49:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:51,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:51,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:51,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 21:49:51,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:51,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-24 21:49:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:49:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 21:49:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:49:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:49:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:51,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:51,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:51,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:49:51,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:49:51,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:49:51,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968350270] [2020-09-24 21:49:51,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:51,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:49:51,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292911332] [2020-09-24 21:49:51,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:49:51,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:51,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:49:51,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:49:51,692 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2020-09-24 21:49:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:51,913 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-09-24 21:49:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 21:49:51,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-24 21:49:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:51,926 INFO L225 Difference]: With dead ends: 75 [2020-09-24 21:49:51,927 INFO L226 Difference]: Without dead ends: 49 [2020-09-24 21:49:51,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:49:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-24 21:49:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2020-09-24 21:49:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-24 21:49:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-09-24 21:49:51,987 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-09-24 21:49:51,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:51,988 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-09-24 21:49:51,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:49:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-09-24 21:49:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 21:49:51,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:51,991 INFO L422 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] [2020-09-24 21:49:51,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:49:51,991 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:51,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:51,992 INFO L82 PathProgramCache]: Analyzing trace with hash 403649603, now seen corresponding path program 1 times [2020-09-24 21:49:51,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:51,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099263971] [2020-09-24 21:49:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:52,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:52,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 21:49:52,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:49:52,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-09-24 21:49:52,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:52,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:49:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 21:49:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 21:49:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:49:53,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:53,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:49:53,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:49:53,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:49:53,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099263971] [2020-09-24 21:49:53,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:49:53,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 21:49:53,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628999642] [2020-09-24 21:49:53,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 21:49:53,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:53,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 21:49:53,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-24 21:49:53,186 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 10 states. [2020-09-24 21:49:53,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:53,567 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-24 21:49:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 21:49:53,567 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2020-09-24 21:49:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:53,569 INFO L225 Difference]: With dead ends: 49 [2020-09-24 21:49:53,569 INFO L226 Difference]: Without dead ends: 43 [2020-09-24 21:49:53,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2020-09-24 21:49:53,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-24 21:49:53,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-09-24 21:49:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-24 21:49:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-24 21:49:53,579 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 32 [2020-09-24 21:49:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:53,580 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-24 21:49:53,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 21:49:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-24 21:49:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 21:49:53,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:53,582 INFO L422 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] [2020-09-24 21:49:53,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:49:53,583 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:53,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash -913737726, now seen corresponding path program 1 times [2020-09-24 21:49:53,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:53,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051985683] [2020-09-24 21:49:53,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 21:49:53,607 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 21:49:53,608 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 21:49:53,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:49:53,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:49:53 BoogieIcfgContainer [2020-09-24 21:49:53,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:49:53,638 INFO L168 Benchmark]: Toolchain (without parser) took 3770.38 ms. Allocated memory was 138.4 MB in the beginning and 231.7 MB in the end (delta: 93.3 MB). Free memory was 102.2 MB in the beginning and 87.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 107.7 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:53,639 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 21:49:53,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.99 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 91.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:53,641 INFO L168 Benchmark]: Boogie Preprocessor took 136.97 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 91.6 MB in the beginning and 178.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:53,642 INFO L168 Benchmark]: RCFGBuilder took 464.57 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 162.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:53,644 INFO L168 Benchmark]: TraceAbstraction took 2826.80 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 161.7 MB in the beginning and 87.8 MB in the end (delta: 74.0 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:53,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 331.99 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 91.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.97 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 91.6 MB in the beginning and 178.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.57 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 162.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2826.80 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 161.7 MB in the beginning and 87.8 MB in the end (delta: 74.0 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int SIZE=1; [L14] unsigned int j,k; [L15] int array[SIZE], menor; [L17] menor = __VERIFIER_nondet_int() [L19] j=0 [L19] COND TRUE jmenor) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 105 SDslu, 165 SDs, 0 SdLazy, 210 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 8648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...