/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/ldv-regression/test29-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:39:29,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:39:29,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:39:29,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:39:29,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:39:29,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:39:29,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:39:29,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:39:29,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:39:29,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:39:29,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:39:29,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:39:29,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:39:29,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:39:29,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:39:29,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:39:29,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:39:29,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:39:29,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:39:29,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:39:29,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:39:29,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:39:29,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:39:29,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:39:29,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:39:29,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:39:29,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:39:29,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:39:29,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:39:29,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:39:29,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:39:29,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:39:29,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:39:29,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:39:29,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:39:29,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:39:29,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:39:29,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:39:29,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:39:29,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:39:29,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:39:29,618 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 [2020-10-28 14:39:29,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:39:29,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:39:29,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:39:29,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:39:29,652 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:39:29,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:39:29,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:39:29,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:39:29,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:39:29,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:39:29,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:39:29,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:39:29,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:39:29,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:39:29,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:39:29,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:39:29,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:39:29,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:39:29,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:39:29,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:39:29,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:39:29,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:39:29,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:39:29,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:39:29,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:39:29,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:39:29,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:39:29,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:39:29,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:39:29,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:39:30,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:39:30,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:39:30,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:39:30,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:39:30,105 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:39:30,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test29-1.c [2020-10-28 14:39:30,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aeaf42636/28b26ca1ea1c4affb4bedea6231ab92e/FLAG17641eb0f [2020-10-28 14:39:30,833 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:39:30,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test29-1.c [2020-10-28 14:39:30,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aeaf42636/28b26ca1ea1c4affb4bedea6231ab92e/FLAG17641eb0f [2020-10-28 14:39:31,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aeaf42636/28b26ca1ea1c4affb4bedea6231ab92e [2020-10-28 14:39:31,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:39:31,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:39:31,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:39:31,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:39:31,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:39:31,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689b59bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31, skipping insertion in model container [2020-10-28 14:39:31,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:39:31,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:39:31,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:39:31,424 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:39:31,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:39:31,462 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:39:31,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31 WrapperNode [2020-10-28 14:39:31,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:39:31,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:39:31,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:39:31,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:39:31,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (1/1) ... [2020-10-28 14:39:31,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:39:31,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:39:31,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:39:31,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:39:31,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (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 [2020-10-28 14:39:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:39:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:39:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:39:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:39:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:39:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:39:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:39:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:39:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:39:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:39:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:39:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:39:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:39:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:39:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:39:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:39:31,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:39:31,962 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 14:39:31,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:39:31 BoogieIcfgContainer [2020-10-28 14:39:31,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:39:31,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:39:31,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:39:31,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:39:31,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:39:31" (1/3) ... [2020-10-28 14:39:31,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2c763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:39:31, skipping insertion in model container [2020-10-28 14:39:31,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:31" (2/3) ... [2020-10-28 14:39:31,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2c763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:39:31, skipping insertion in model container [2020-10-28 14:39:31,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:39:31" (3/3) ... [2020-10-28 14:39:31,984 INFO L111 eAbstractionObserver]: Analyzing ICFG test29-1.c [2020-10-28 14:39:32,025 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:39:32,033 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:39:32,054 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:39:32,089 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:39:32,089 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:39:32,089 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:39:32,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:39:32,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:39:32,090 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:39:32,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:39:32,090 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:39:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-28 14:39:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-28 14:39:32,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:39:32,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:39:32,122 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:39:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:39:32,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1935478553, now seen corresponding path program 1 times [2020-10-28 14:39:32,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:39:32,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339948784] [2020-10-28 14:39:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:39:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:39:32,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:32,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:33,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:39:33,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 14:39:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 14:39:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-28 14:39:33,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:39:33,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:39:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:39:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:39:33,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:39:33,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 14:39:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:39:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:39:33,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:33,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:39:33,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:39:33,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:39:33,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:39:33,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:39:33,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:39:33,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:39:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:39:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:39:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:39:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:39:33,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339948784] [2020-10-28 14:39:33,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:39:33,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:39:33,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595317780] [2020-10-28 14:39:33,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:39:33,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:39:33,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:39:33,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:39:33,258 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 6 states. [2020-10-28 14:39:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:39:33,395 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2020-10-28 14:39:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:39:33,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-28 14:39:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:39:33,408 INFO L225 Difference]: With dead ends: 34 [2020-10-28 14:39:33,409 INFO L226 Difference]: Without dead ends: 15 [2020-10-28 14:39:33,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:39:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-28 14:39:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-28 14:39:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-28 14:39:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-10-28 14:39:33,461 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 14 [2020-10-28 14:39:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:39:33,462 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-10-28 14:39:33,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:39:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-10-28 14:39:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-28 14:39:33,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:39:33,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:39:33,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:39:33,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:39:33,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:39:33,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1878220251, now seen corresponding path program 1 times [2020-10-28 14:39:33,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:39:33,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260662258] [2020-10-28 14:39:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:39:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:39:33,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:39:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 14:39:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:39:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-10-28 14:39:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:39:33,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:39:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:39:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 14:39:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 14:39:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:39:33,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:39:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:39:33,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:39:33,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:39:33,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:39:33,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:39:33,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:39:33,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:39:33,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:39:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:39:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:39:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:39:33,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:39:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:39:33,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260662258] [2020-10-28 14:39:33,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:39:33,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 14:39:33,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376817379] [2020-10-28 14:39:33,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 14:39:33,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:39:33,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 14:39:33,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:39:33,940 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 5 states. [2020-10-28 14:39:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:39:33,990 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-10-28 14:39:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:39:33,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-28 14:39:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:39:33,992 INFO L225 Difference]: With dead ends: 23 [2020-10-28 14:39:33,992 INFO L226 Difference]: Without dead ends: 15 [2020-10-28 14:39:33,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:39:33,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-28 14:39:33,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-28 14:39:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-28 14:39:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2020-10-28 14:39:33,999 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2020-10-28 14:39:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:39:34,000 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2020-10-28 14:39:34,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 14:39:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2020-10-28 14:39:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-28 14:39:34,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:39:34,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:39:34,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:39:34,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:39:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:39:34,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1607400419, now seen corresponding path program 1 times [2020-10-28 14:39:34,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:39:34,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424086088] [2020-10-28 14:39:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:39:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 14:39:34,020 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 14:39:34,021 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 14:39:34,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:39:34,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:39:34 BoogieIcfgContainer [2020-10-28 14:39:34,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:39:34,044 INFO L168 Benchmark]: Toolchain (without parser) took 2845.98 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 76.3 MB in the end (delta: 50.1 MB). Peak memory consumption was 51.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:39:34,045 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:39:34,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.31 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-28 14:39:34,048 INFO L168 Benchmark]: Boogie Preprocessor took 40.51 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:39:34,049 INFO L168 Benchmark]: RCFGBuilder took 459.01 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 100.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:39:34,049 INFO L168 Benchmark]: TraceAbstraction took 2074.68 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 76.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 8.0 GB. [2020-10-28 14:39:34,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.3 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 258.31 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.51 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 114.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 459.01 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 100.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2074.68 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 76.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] union dummy d1, d2; [L16] int n = __VERIFIER_nondet_int(); [L17] EXPR n ? &d1 : &d2 [L17] union dummy *pd = n ? &d1 : &d2; [L18] d1.a = __VERIFIER_nondet_int() [L19] COND FALSE !(pd == &d1) [L22] pd->b = 0 [L24] pd == &d2 && d1.a != 0 [L24] EXPR d1.a [L24] pd == &d2 && d1.a != 0 [L24] COND TRUE pd == &d2 && d1.a != 0 [L30] CALL reach_error() [L3] __assert_fail("0", "test29-1.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 14 SDslu, 46 SDs, 0 SdLazy, 76 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1443 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...