/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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=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-adbd35c [2020-10-14 23:56:22,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:56:22,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:56:22,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:56:22,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:56:22,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:56:22,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:56:22,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:56:22,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:56:22,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:56:22,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:56:22,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:56:22,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:56:22,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:56:22,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:56:22,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:56:22,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:56:22,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:56:22,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:56:22,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:56:22,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:56:22,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:56:22,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:56:22,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:56:22,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:56:22,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:56:22,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:56:22,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:56:22,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:56:22,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:56:22,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:56:22,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:56:22,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:56:22,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:56:22,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:56:22,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:56:22,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:56:22,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:56:22,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:56:22,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:56:22,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:56:22,627 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 [2020-10-14 23:56:22,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:56:22,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:56:22,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:56:22,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:56:22,667 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:56:22,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:56:22,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:56:22,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:56:22,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:56:22,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:56:22,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:56:22,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:56:22,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:56:22,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:56:22,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:56:22,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:56:22,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:56:22,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:56:22,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:56:22,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:56:22,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:56:22,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:56:22,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:56:22,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:56:22,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:56:22,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:56:22,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:56:22,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:56:22,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:56:22,671 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 -> SequenceOfStatements 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:56:22,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:56:22,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:56:22,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:56:22,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:56:22,991 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:56:22,991 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2020-10-14 23:56:23,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dc471f48/e24a76c1b2eb4a1faac66d35ac6914d4/FLAG93b8af51c [2020-10-14 23:56:23,528 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:56:23,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-2.c [2020-10-14 23:56:23,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dc471f48/e24a76c1b2eb4a1faac66d35ac6914d4/FLAG93b8af51c [2020-10-14 23:56:23,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7dc471f48/e24a76c1b2eb4a1faac66d35ac6914d4 [2020-10-14 23:56:23,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:56:23,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:56:23,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:56:23,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:56:23,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:56:23,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:23" (1/1) ... [2020-10-14 23:56:23,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33dfb059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:23, skipping insertion in model container [2020-10-14 23:56:23,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:56:23" (1/1) ... [2020-10-14 23:56:23,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:56:23,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:56:24,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:56:24,136 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:56:24,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:56:24,181 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:56:24,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24 WrapperNode [2020-10-14 23:56:24,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:56:24,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:56:24,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:56:24,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:56:24,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (1/1) ... [2020-10-14 23:56:24,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:56:24,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:56:24,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:56:24,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:56:24,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (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 [2020-10-14 23:56:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:56:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:56:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 23:56:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:56:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:56:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 23:56:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:56:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:56:24,623 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:56:24,624 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 23:56:24,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:24 BoogieIcfgContainer [2020-10-14 23:56:24,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:56:24,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:56:24,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:56:24,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:56:24,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:56:23" (1/3) ... [2020-10-14 23:56:24,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3b9cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:24, skipping insertion in model container [2020-10-14 23:56:24,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:56:24" (2/3) ... [2020-10-14 23:56:24,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3b9cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:56:24, skipping insertion in model container [2020-10-14 23:56:24,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:56:24" (3/3) ... [2020-10-14 23:56:24,639 INFO L109 eAbstractionObserver]: Analyzing ICFG array-2.c [2020-10-14 23:56:24,652 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:56:24,662 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:56:24,680 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:56:24,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:56:24,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:56:24,711 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:56:24,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:56:24,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:56:24,712 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:56:24,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:56:24,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:56:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-14 23:56:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-14 23:56:24,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:56:24,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:56:24,742 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:56:24,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:56:24,749 INFO L82 PathProgramCache]: Analyzing trace with hash 202253298, now seen corresponding path program 1 times [2020-10-14 23:56:24,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:56:24,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962438907] [2020-10-14 23:56:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:56:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:56:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:56:24,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:56:24,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 23:56:24,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:56:24,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 23:56:24,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:56:24,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:56:24,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:56:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 23:56:24,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:56:24,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 23:56:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:56:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:56:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:56:25,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:56:25,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:56:25,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:56:25,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 23:56:25,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:56:25,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:56:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:56:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:56:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:56:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:56:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:56:25,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962438907] [2020-10-14 23:56:25,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:56:25,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 23:56:25,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014977148] [2020-10-14 23:56:25,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 23:56:25,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:56:25,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 23:56:25,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 23:56:25,129 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2020-10-14 23:56:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:56:25,231 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-10-14 23:56:25,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 23:56:25,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-14 23:56:25,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:56:25,249 INFO L225 Difference]: With dead ends: 35 [2020-10-14 23:56:25,249 INFO L226 Difference]: Without dead ends: 15 [2020-10-14 23:56:25,254 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 [2020-10-14 23:56:25,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-14 23:56:25,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-14 23:56:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-14 23:56:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-10-14 23:56:25,309 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2020-10-14 23:56:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:56:25,311 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-10-14 23:56:25,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 23:56:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-10-14 23:56:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-14 23:56:25,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:56:25,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:56:25,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:56:25,314 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:56:25,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:56:25,315 INFO L82 PathProgramCache]: Analyzing trace with hash -112667363, now seen corresponding path program 1 times [2020-10-14 23:56:25,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:56:25,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144913688] [2020-10-14 23:56:25,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:56:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:56:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:56:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:56:25,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 23:56:25,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:56:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 23:56:25,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:56:25,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:56:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:56:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 23:56:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:56:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:56:25,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:56:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:56:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:56:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:56:25,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:56:25,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:56:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:56:25,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:56:25,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:56:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:56:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:56:25,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:56:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:56:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:56:25,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144913688] [2020-10-14 23:56:25,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:56:25,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 23:56:25,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581882789] [2020-10-14 23:56:25,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 23:56:25,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:56:25,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 23:56:25,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:56:25,652 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 4 states. [2020-10-14 23:56:25,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:56:25,715 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-10-14 23:56:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:56:25,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-14 23:56:25,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:56:25,718 INFO L225 Difference]: With dead ends: 24 [2020-10-14 23:56:25,718 INFO L226 Difference]: Without dead ends: 18 [2020-10-14 23:56:25,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 23:56:25,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-14 23:56:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2020-10-14 23:56:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-14 23:56:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-10-14 23:56:25,730 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2020-10-14 23:56:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:56:25,731 INFO L479 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-10-14 23:56:25,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 23:56:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-10-14 23:56:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-14 23:56:25,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:56:25,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 23:56:25,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:56:25,734 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:56:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:56:25,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1912057964, now seen corresponding path program 1 times [2020-10-14 23:56:25,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:56:25,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816574473] [2020-10-14 23:56:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:56:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:56:25,794 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:56:25,794 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:56:25,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 23:56:25,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:56:25 BoogieIcfgContainer [2020-10-14 23:56:25,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:56:25,844 INFO L168 Benchmark]: Toolchain (without parser) took 1921.66 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 110.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,846 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.49 ms. Allocated memory is still 147.3 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,854 INFO L168 Benchmark]: Boogie Preprocessor took 152.24 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 92.1 MB in the beginning and 181.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,857 INFO L168 Benchmark]: RCFGBuilder took 294.26 ms. Allocated memory is still 204.5 MB. Free memory was 181.5 MB in the beginning and 167.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,858 INFO L168 Benchmark]: TraceAbstraction took 1208.12 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 110.7 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2020-10-14 23:56:25,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 120.6 MB in the beginning and 120.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.49 ms. Allocated memory is still 147.3 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.24 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 92.1 MB in the beginning and 181.5 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.26 ms. Allocated memory is still 204.5 MB. Free memory was 181.5 MB in the beginning and 167.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1208.12 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 110.7 MB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 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, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 11 SDslu, 13 SDs, 0 SdLazy, 34 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 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...