/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/loops/array-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:29:10,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:29:10,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:29:10,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:29:10,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:29:10,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:29:10,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:29:10,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:29:10,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:29:10,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:29:10,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:29:10,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:29:10,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:29:10,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:29:10,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:29:10,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:29:10,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:29:10,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:29:10,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:29:10,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:29:10,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:29:10,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:29:10,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:29:10,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:29:10,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:29:10,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:29:10,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:29:10,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:29:10,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:29:10,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:29:10,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:29:10,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:29:10,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:29:10,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:29:10,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:29:10,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:29:10,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:29:10,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:29:10,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:29:10,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:29:10,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:29:10,173 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 18:29:10,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:29:10,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:29:10,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:29:10,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:29:10,202 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:29:10,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:29:10,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:29:10,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:29:10,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:29:10,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:29:10,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:29:10,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:29:10,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:29:10,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:29:10,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:29:10,205 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:29:10,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:29:10,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:29:10,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:29:10,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:29:10,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:29:10,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:29:10,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:29:10,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:29:10,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:29:10,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:29:10,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:29:10,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:29:10,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:29:10,208 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 18:29:10,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:29:10,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:29:10,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:29:10,740 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:29:10,740 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:29:10,741 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2020-09-24 18:29:10,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f113965/6fe6edd4e3224870bbdea03cf5001d94/FLAGc85315df8 [2020-09-24 18:29:11,376 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:29:11,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-2.c [2020-09-24 18:29:11,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f113965/6fe6edd4e3224870bbdea03cf5001d94/FLAGc85315df8 [2020-09-24 18:29:11,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2f113965/6fe6edd4e3224870bbdea03cf5001d94 [2020-09-24 18:29:11,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:29:11,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:29:11,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:11,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:29:11,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:29:11,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:11" (1/1) ... [2020-09-24 18:29:11,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf72fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:11, skipping insertion in model container [2020-09-24 18:29:11,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:11" (1/1) ... [2020-09-24 18:29:11,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:29:11,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:29:12,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:12,016 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:29:12,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:12,062 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:29:12,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12 WrapperNode [2020-09-24 18:29:12,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:12,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:29:12,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:29:12,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:29:12,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (1/1) ... [2020-09-24 18:29:12,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:29:12,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:29:12,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:29:12,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:29:12,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (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 18:29:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:29:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:29:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:29:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:29:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:29:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:29:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:29:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:29:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:29:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:29:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:29:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:29:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:29:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:29:12,555 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:29:12,555 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 18:29:12,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:12 BoogieIcfgContainer [2020-09-24 18:29:12,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:29:12,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:29:12,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:29:12,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:29:12,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:29:11" (1/3) ... [2020-09-24 18:29:12,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff972cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:12, skipping insertion in model container [2020-09-24 18:29:12,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:12" (2/3) ... [2020-09-24 18:29:12,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff972cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:12, skipping insertion in model container [2020-09-24 18:29:12,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:12" (3/3) ... [2020-09-24 18:29:12,572 INFO L109 eAbstractionObserver]: Analyzing ICFG array-2.c [2020-09-24 18:29:12,586 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:29:12,598 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:29:12,623 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:29:12,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:29:12,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:29:12,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:29:12,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:29:12,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:29:12,659 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:29:12,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:29:12,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:29:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-09-24 18:29:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 18:29:12,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:12,697 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 18:29:12,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:12,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:12,705 INFO L82 PathProgramCache]: Analyzing trace with hash 683487989, now seen corresponding path program 1 times [2020-09-24 18:29:12,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:12,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083630752] [2020-09-24 18:29:12,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:13,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:13,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 18:29:13,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:13,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-09-24 18:29:13,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:29:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 18:29:13,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 18:29:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:29:13,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:13,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:13,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:13,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:29:13,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:29:13,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:13,547 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 18:29:13,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083630752] [2020-09-24 18:29:13,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:13,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:29:13,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164729523] [2020-09-24 18:29:13,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:29:13,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:13,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:29:13,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:29:13,581 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2020-09-24 18:29:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:13,818 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-09-24 18:29:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:29:13,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-24 18:29:13,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:13,833 INFO L225 Difference]: With dead ends: 75 [2020-09-24 18:29:13,833 INFO L226 Difference]: Without dead ends: 49 [2020-09-24 18:29:13,838 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 18:29:13,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-24 18:29:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2020-09-24 18:29:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-24 18:29:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-09-24 18:29:13,887 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-09-24 18:29:13,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:13,888 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-09-24 18:29:13,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:29:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-09-24 18:29:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 18:29:13,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:13,890 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 18:29:13,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:29:13,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:13,892 INFO L82 PathProgramCache]: Analyzing trace with hash 403649603, now seen corresponding path program 1 times [2020-09-24 18:29:13,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:13,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636168509] [2020-09-24 18:29:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:13,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:14,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:14,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:14,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 18:29:14,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:29:14,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 873 [2020-09-24 18:29:14,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 18:29:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 18:29:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 18:29:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:29:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:14,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:14,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:14,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:29:14,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:14,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 18:29:14,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:14,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:14,999 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 18:29:14,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636168509] [2020-09-24 18:29:15,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 18:29:15,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 18:29:15,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690742622] [2020-09-24 18:29:15,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 18:29:15,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:15,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 18:29:15,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:29:15,004 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 9 states. [2020-09-24 18:29:15,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:15,332 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-09-24 18:29:15,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 18:29:15,333 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2020-09-24 18:29:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:15,335 INFO L225 Difference]: With dead ends: 61 [2020-09-24 18:29:15,335 INFO L226 Difference]: Without dead ends: 55 [2020-09-24 18:29:15,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-24 18:29:15,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-24 18:29:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2020-09-24 18:29:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-24 18:29:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2020-09-24 18:29:15,347 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 32 [2020-09-24 18:29:15,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:15,348 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2020-09-24 18:29:15,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 18:29:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2020-09-24 18:29:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 18:29:15,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:15,350 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 18:29:15,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:29:15,350 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:15,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:15,351 INFO L82 PathProgramCache]: Analyzing trace with hash -913737726, now seen corresponding path program 1 times [2020-09-24 18:29:15,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:15,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896654563] [2020-09-24 18:29:15,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 18:29:15,372 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 18:29:15,373 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:29:15,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:29:15,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:29:15 BoogieIcfgContainer [2020-09-24 18:29:15,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:29:15,404 INFO L168 Benchmark]: Toolchain (without parser) took 3664.84 ms. Allocated memory was 139.5 MB in the beginning and 235.9 MB in the end (delta: 96.5 MB). Free memory was 103.0 MB in the beginning and 97.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:15,405 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:15,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.35 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 92.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:15,407 INFO L168 Benchmark]: Boogie Preprocessor took 121.04 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 180.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:15,408 INFO L168 Benchmark]: RCFGBuilder took 377.80 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 164.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:15,409 INFO L168 Benchmark]: TraceAbstraction took 2836.36 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.5 MB in the beginning and 97.8 MB in the end (delta: 65.7 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:15,413 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.35 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 92.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.04 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 92.2 MB in the beginning and 180.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 377.80 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 164.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2836.36 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 163.5 MB in the beginning and 97.8 MB in the end (delta: 65.7 MB). Peak memory consumption was 99.3 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: 69 SDtfs, 81 SDslu, 175 SDs, 0 SdLazy, 205 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, 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, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 7222 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...