/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=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:29:52,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:29:52,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:29:52,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:29:52,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:29:52,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:29:52,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:29:52,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:29:52,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:29:52,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:29:52,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:29:52,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:29:52,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:29:52,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:29:52,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:29:52,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:29:52,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:29:52,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:29:52,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:29:52,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:29:52,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:29:52,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:29:52,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:29:52,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:29:52,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:29:52,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:29:52,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:29:52,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:29:52,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:29:52,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:29:52,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:29:52,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:29:52,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:29:52,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:29:52,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:29:52,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:29:52,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:29:52,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:29:52,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:29:52,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:29:52,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:29:52,246 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 18:29:52,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:29:52,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:29:52,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:29:52,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:29:52,275 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:29:52,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:29:52,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:29:52,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:29:52,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:29:52,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:29:52,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:29:52,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:29:52,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:29:52,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:29:52,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:29:52,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:29:52,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:29:52,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:29:52,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:29:52,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:29:52,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:29:52,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:29:52,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:29:52,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:29:52,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:29:52,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:29:52,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:29:52,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:29:52,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:29:52,281 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:29:52,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:29:52,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:29:52,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:29:52,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:29:52,848 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:29:52,849 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2020-09-24 18:29:52,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efc5a0a7a/579b085e9bc245de8fa124ca9f3c6674/FLAG94c789b84 [2020-09-24 18:29:53,502 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:29:53,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_1-2.i [2020-09-24 18:29:53,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efc5a0a7a/579b085e9bc245de8fa124ca9f3c6674/FLAG94c789b84 [2020-09-24 18:29:53,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efc5a0a7a/579b085e9bc245de8fa124ca9f3c6674 [2020-09-24 18:29:53,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:29:53,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:29:53,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:53,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:29:53,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:29:53,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:53" (1/1) ... [2020-09-24 18:29:53,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72532b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:53, skipping insertion in model container [2020-09-24 18:29:53,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:53" (1/1) ... [2020-09-24 18:29:53,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:29:53,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:29:54,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:54,159 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:29:54,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:54,208 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:29:54,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54 WrapperNode [2020-09-24 18:29:54,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:54,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:29:54,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:29:54,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:29:54,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (1/1) ... [2020-09-24 18:29:54,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:29:54,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:29:54,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:29:54,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:29:54,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (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 18:29:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:29:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:29:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:29:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:29:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:29:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:29:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:29:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:29:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:29:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:29:54,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:29:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:29:54,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:29:54,698 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 18:29:54,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:54 BoogieIcfgContainer [2020-09-24 18:29:54,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:29:54,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:29:54,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:29:54,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:29:54,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:29:53" (1/3) ... [2020-09-24 18:29:54,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2913e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:54, skipping insertion in model container [2020-09-24 18:29:54,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:54" (2/3) ... [2020-09-24 18:29:54,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2913e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:54, skipping insertion in model container [2020-09-24 18:29:54,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:54" (3/3) ... [2020-09-24 18:29:54,717 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2020-09-24 18:29:54,732 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:29:54,744 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:29:54,794 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:29:54,853 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:29:54,853 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:29:54,853 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:29:54,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:29:54,854 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:29:54,854 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:29:54,854 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:29:54,854 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:29:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-09-24 18:29:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 18:29:54,897 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:54,898 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:29:54,899 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:54,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:54,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1780996077, now seen corresponding path program 1 times [2020-09-24 18:29:54,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:54,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52628991] [2020-09-24 18:29:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:55,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:55,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 18:29:55,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:29:55,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-09-24 18:29:55,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 18:29:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:29:55,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:55,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:55,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:55,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:29:55,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:29:55,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:55,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:55,543 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 18:29:55,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52628991] [2020-09-24 18:29:55,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:55,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:29:55,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818750804] [2020-09-24 18:29:55,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:29:55,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:55,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:29:55,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:29:55,576 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-09-24 18:29:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:55,724 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-09-24 18:29:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:29:55,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-24 18:29:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:55,738 INFO L225 Difference]: With dead ends: 54 [2020-09-24 18:29:55,738 INFO L226 Difference]: Without dead ends: 25 [2020-09-24 18:29:55,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:29:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-09-24 18:29:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-09-24 18:29:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-09-24 18:29:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-09-24 18:29:55,790 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2020-09-24 18:29:55,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:55,791 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-09-24 18:29:55,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:29:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-09-24 18:29:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-24 18:29:55,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:55,793 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] [2020-09-24 18:29:55,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:29:55,793 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:55,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash -657316629, now seen corresponding path program 1 times [2020-09-24 18:29:55,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:55,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337044942] [2020-09-24 18:29:55,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:55,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:55,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:56,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 18:29:56,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:29:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-24 18:29:56,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:29:56,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 18:29:56,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:29:56,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:56,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:56,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:56,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:56,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:29:56,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 18:29:56,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:56,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 18:29:56,243 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 18:29:56,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337044942] [2020-09-24 18:29:56,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:56,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:29:56,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129780019] [2020-09-24 18:29:56,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:29:56,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:56,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:29:56,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:29:56,256 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2020-09-24 18:29:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:56,378 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2020-09-24 18:29:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:29:56,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-09-24 18:29:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:56,383 INFO L225 Difference]: With dead ends: 41 [2020-09-24 18:29:56,385 INFO L226 Difference]: Without dead ends: 36 [2020-09-24 18:29:56,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 18:29:56,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-09-24 18:29:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2020-09-24 18:29:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-24 18:29:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-09-24 18:29:56,400 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2020-09-24 18:29:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:56,400 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-09-24 18:29:56,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:29:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-09-24 18:29:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 18:29:56,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:56,402 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 18:29:56,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:29:56,402 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:56,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:56,403 INFO L82 PathProgramCache]: Analyzing trace with hash -329373976, now seen corresponding path program 1 times [2020-09-24 18:29:56,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:56,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347020945] [2020-09-24 18:29:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 18:29:56,435 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 18:29:56,435 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:29:56,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:29:56,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:29:56 BoogieIcfgContainer [2020-09-24 18:29:56,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:29:56,466 INFO L168 Benchmark]: Toolchain (without parser) took 2597.05 ms. Allocated memory was 138.4 MB in the beginning and 231.2 MB in the end (delta: 92.8 MB). Free memory was 101.6 MB in the beginning and 199.8 MB in the end (delta: -98.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:56,467 INFO L168 Benchmark]: CDTParser took 0.25 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 18:29:56,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.79 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 91.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:56,469 INFO L168 Benchmark]: Boogie Preprocessor took 135.40 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 91.0 MB in the beginning and 178.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:56,470 INFO L168 Benchmark]: RCFGBuilder took 359.29 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 162.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:56,471 INFO L168 Benchmark]: TraceAbstraction took 1755.75 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 162.0 MB in the beginning and 199.8 MB in the end (delta: -37.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:56,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.79 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 91.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.40 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 91.0 MB in the beginning and 178.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 359.29 ms. Allocated memory is still 200.3 MB. Free memory was 178.2 MB in the beginning and 162.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1755.75 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 162.0 MB in the beginning and 199.8 MB in the end (delta: -37.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] unsigned int array[10000]; [L25] unsigned int index = 0; [L26] unsigned int tmp = 0; [L28] COND TRUE 1 [L29] index = __VERIFIER_nondet_uint() [L30] COND TRUE index >= 10000 [L37] EXPR tmp < 10000 && array[tmp] == tmp [L37] EXPR array[tmp] [L37] EXPR tmp < 10000 && array[tmp] == tmp [L37] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) [L14] COND TRUE !(cond) [L15] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 16 SDslu, 42 SDs, 0 SdLazy, 61 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...