/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=BIGGEST --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 20:41:43,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:41:43,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:41:43,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:41:43,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:41:43,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:41:43,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:41:43,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:41:43,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:41:43,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:41:43,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:41:43,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:41:43,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:41:43,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:41:43,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:41:43,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:41:43,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:41:43,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:41:43,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:41:43,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:41:43,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:41:43,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:41:43,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:41:43,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:41:43,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:41:43,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:41:43,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:41:43,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:41:43,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:41:43,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:41:43,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:41:43,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:41:43,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:41:43,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:41:43,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:41:43,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:41:43,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:41:43,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:41:43,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:41:43,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:41:43,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:41:43,178 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 20:41:43,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:41:43,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:41:43,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:41:43,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:41:43,231 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:41:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:41:43,232 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:41:43,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:41:43,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:41:43,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:41:43,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:41:43,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:41:43,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:41:43,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:41:43,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:41:43,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:41:43,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:41:43,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:41:43,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:41:43,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:41:43,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:41:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:41:43,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:41:43,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:41:43,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:41:43,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:41:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:41:43,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:41:43,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:41:43,238 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:41:43,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:41:43,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:41:43,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:41:43,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:41:43,717 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:41:43,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/array-2.c [2020-09-24 20:41:43,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7eea451/7a6356533cfb4395a27e45aa17be9e99/FLAG959377e27 [2020-09-24 20:41:44,374 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:41:44,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/array-2.c [2020-09-24 20:41:44,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7eea451/7a6356533cfb4395a27e45aa17be9e99/FLAG959377e27 [2020-09-24 20:41:44,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7eea451/7a6356533cfb4395a27e45aa17be9e99 [2020-09-24 20:41:44,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:41:44,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:41:44,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:44,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:41:44,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:41:44,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:44" (1/1) ... [2020-09-24 20:41:44,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425c36b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:44, skipping insertion in model container [2020-09-24 20:41:44,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:44" (1/1) ... [2020-09-24 20:41:44,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:41:44,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:41:45,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:45,016 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:41:45,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:45,063 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:41:45,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45 WrapperNode [2020-09-24 20:41:45,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:45,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:41:45,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:41:45,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:41:45,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (1/1) ... [2020-09-24 20:41:45,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:41:45,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:41:45,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:41:45,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:41:45,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (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 20:41:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:41:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:41:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 20:41:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:41:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:41:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 20:41:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:41:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:41:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:41:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:41:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:41:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:41:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:41:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:41:45,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:41:45,583 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 20:41:45,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:45 BoogieIcfgContainer [2020-09-24 20:41:45,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:41:45,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:41:45,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:41:45,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:41:45,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:41:44" (1/3) ... [2020-09-24 20:41:45,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b167da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:45, skipping insertion in model container [2020-09-24 20:41:45,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:45" (2/3) ... [2020-09-24 20:41:45,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b167da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:45, skipping insertion in model container [2020-09-24 20:41:45,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:45" (3/3) ... [2020-09-24 20:41:45,599 INFO L109 eAbstractionObserver]: Analyzing ICFG array-2.c [2020-09-24 20:41:45,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:41:45,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:41:45,641 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:41:45,669 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:41:45,669 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:41:45,669 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:41:45,669 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:41:45,670 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:41:45,670 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:41:45,670 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:41:45,670 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:41:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-09-24 20:41:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 20:41:45,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:45,700 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 20:41:45,700 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:45,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:45,707 INFO L82 PathProgramCache]: Analyzing trace with hash 683487989, now seen corresponding path program 1 times [2020-09-24 20:41:45,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:45,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410108856] [2020-09-24 20:41:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 20:41:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-24 20:41:46,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:41:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 20:41:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 20:41:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:41:46,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:46,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:46,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:41:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 20:41:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:46,455 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 20:41:46,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410108856] [2020-09-24 20:41:46,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:41:46,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:41:46,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758293750] [2020-09-24 20:41:46,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:41:46,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:46,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:41:46,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:41:46,491 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2020-09-24 20:41:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:46,710 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-09-24 20:41:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 20:41:46,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-24 20:41:46,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:46,724 INFO L225 Difference]: With dead ends: 75 [2020-09-24 20:41:46,724 INFO L226 Difference]: Without dead ends: 49 [2020-09-24 20:41:46,728 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 20:41:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-24 20:41:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 37. [2020-09-24 20:41:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-09-24 20:41:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-09-24 20:41:46,779 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-09-24 20:41:46,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:46,780 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-09-24 20:41:46,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:41:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-09-24 20:41:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 20:41:46,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:46,782 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 20:41:46,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:41:46,782 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:46,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash 403649603, now seen corresponding path program 1 times [2020-09-24 20:41:46,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:46,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016052343] [2020-09-24 20:41:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:46,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:47,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:47,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 20:41:47,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:41:47,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-09-24 20:41:47,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 20:41:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-24 20:41:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 20:41:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:41:47,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:47,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:47,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:41:47,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:41:47,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:47,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:47,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:47,898 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 20:41:47,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016052343] [2020-09-24 20:41:47,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:41:47,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 20:41:47,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549425960] [2020-09-24 20:41:47,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:41:47,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:47,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:41:47,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:41:47,903 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 10 states. [2020-09-24 20:41:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:48,290 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-09-24 20:41:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 20:41:48,291 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2020-09-24 20:41:48,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:48,292 INFO L225 Difference]: With dead ends: 49 [2020-09-24 20:41:48,293 INFO L226 Difference]: Without dead ends: 43 [2020-09-24 20:41:48,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:41:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-24 20:41:48,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-09-24 20:41:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-24 20:41:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-24 20:41:48,303 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 32 [2020-09-24 20:41:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:48,303 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-24 20:41:48,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:41:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-24 20:41:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 20:41:48,305 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:48,305 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 20:41:48,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:41:48,306 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:48,306 INFO L82 PathProgramCache]: Analyzing trace with hash -913737726, now seen corresponding path program 1 times [2020-09-24 20:41:48,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:48,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351333559] [2020-09-24 20:41:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 20:41:48,339 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 20:41:48,340 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 20:41:48,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:41:48,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:41:48 BoogieIcfgContainer [2020-09-24 20:41:48,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 20:41:48,372 INFO L168 Benchmark]: Toolchain (without parser) took 3643.92 ms. Allocated memory was 148.4 MB in the beginning and 241.7 MB in the end (delta: 93.3 MB). Free memory was 103.2 MB in the beginning and 213.3 MB in the end (delta: -110.1 MB). Peak memory consumption was 101.8 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,373 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.70 ms. Allocated memory is still 148.4 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,375 INFO L168 Benchmark]: Boogie Preprocessor took 125.84 ms. Allocated memory was 148.4 MB in the beginning and 203.9 MB in the end (delta: 55.6 MB). Free memory was 92.6 MB in the beginning and 181.3 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,376 INFO L168 Benchmark]: RCFGBuilder took 397.81 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 165.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,378 INFO L168 Benchmark]: TraceAbstraction took 2777.48 ms. Allocated memory was 203.9 MB in the beginning and 241.7 MB in the end (delta: 37.7 MB). Free memory was 165.3 MB in the beginning and 213.3 MB in the end (delta: -48.0 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:48,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 148.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.70 ms. Allocated memory is still 148.4 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.84 ms. Allocated memory was 148.4 MB in the beginning and 203.9 MB in the end (delta: 55.6 MB). Free memory was 92.6 MB in the beginning and 181.3 MB in the end (delta: -88.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 397.81 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 165.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2777.48 ms. Allocated memory was 203.9 MB in the beginning and 241.7 MB in the end (delta: 37.7 MB). Free memory was 165.3 MB in the beginning and 213.3 MB in the end (delta: -48.0 MB). Peak memory consumption was 108.3 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: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 105 SDslu, 165 SDs, 0 SdLazy, 210 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 8648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...