/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-acceleration/diamond_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 06:59:42,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 06:59:42,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 06:59:42,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-16 06:59:42,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 06:59:42,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 06:59:42,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 06:59:42,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 06:59:42,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 06:59:42,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 06:59:42,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 06:59:42,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 06:59:42,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 06:59:42,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 06:59:42,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 06:59:42,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 06:59:42,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-16 06:59:42,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 06:59:42,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 06:59:42,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 06:59:42,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 06:59:42,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 06:59:42,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 06:59:42,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 06:59:42,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 06:59:42,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 06:59:42,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 06:59:42,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 06:59:42,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 06:59:42,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 06:59:42,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 06:59:42,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 06:59:42,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 06:59:42,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 06:59:42,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 06:59:42,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 06:59:42,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 06:59:42,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 06:59:42,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 06:59:42,619 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 06:59:42,619 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 06:59:42,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 06:59:42,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 06:59:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 06:59:42,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 06:59:42,927 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 06:59:42,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_1-2.c [2021-04-16 06:59:42,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d5e5148/db6beb7002334979a4833d093adccd61/FLAG4089a846c [2021-04-16 06:59:43,345 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 06:59:43,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_1-2.c [2021-04-16 06:59:43,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d5e5148/db6beb7002334979a4833d093adccd61/FLAG4089a846c [2021-04-16 06:59:43,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d5e5148/db6beb7002334979a4833d093adccd61 [2021-04-16 06:59:43,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 06:59:43,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 06:59:43,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 06:59:43,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 06:59:43,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 06:59:43,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4115dc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43, skipping insertion in model container [2021-04-16 06:59:43,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 06:59:43,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 06:59:43,902 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_1-2.c[373,386] [2021-04-16 06:59:43,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 06:59:43,915 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 06:59:43,922 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_1-2.c[373,386] [2021-04-16 06:59:43,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 06:59:43,951 INFO L208 MainTranslator]: Completed translation [2021-04-16 06:59:43,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43 WrapperNode [2021-04-16 06:59:43,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 06:59:43,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 06:59:43,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 06:59:43,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 06:59:43,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... [2021-04-16 06:59:43,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 06:59:43,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 06:59:43,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 06:59:43,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 06:59:43,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-04-16 06:59:44,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 06:59:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 06:59:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 06:59:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 06:59:44,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 06:59:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 06:59:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 06:59:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 06:59:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 06:59:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 06:59:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 06:59:44,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 06:59:44,185 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 06:59:44,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 06:59:44 BoogieIcfgContainer [2021-04-16 06:59:44,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 06:59:44,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 06:59:44,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 06:59:44,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 06:59:44,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 06:59:43" (1/3) ... [2021-04-16 06:59:44,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39840b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 06:59:44, skipping insertion in model container [2021-04-16 06:59:44,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:59:43" (2/3) ... [2021-04-16 06:59:44,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39840b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 06:59:44, skipping insertion in model container [2021-04-16 06:59:44,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 06:59:44" (3/3) ... [2021-04-16 06:59:44,192 INFO L111 eAbstractionObserver]: Analyzing ICFG diamond_1-2.c [2021-04-16 06:59:44,196 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 06:59:44,199 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 06:59:44,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 06:59:44,226 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 06:59:44,226 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 06:59:44,226 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 06:59:44,226 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 06:59:44,226 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 06:59:44,226 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 06:59:44,226 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 06:59:44,226 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 06:59:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 06:59:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-04-16 06:59:44,241 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:59:44,242 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:59:44,242 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:59:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:59:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1418018830, now seen corresponding path program 1 times [2021-04-16 06:59:44,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:59:44,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397253276] [2021-04-16 06:59:44,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:59:44,296 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:59:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:59:44,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:59:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:59:44,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:59:44,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397253276] [2021-04-16 06:59:44,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:59:44,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-16 06:59:44,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798948432] [2021-04-16 06:59:44,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-16 06:59:44,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:59:44,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-16 06:59:44,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 06:59:44,432 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:59:44,477 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2021-04-16 06:59:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-16 06:59:44,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-04-16 06:59:44,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:59:44,484 INFO L225 Difference]: With dead ends: 30 [2021-04-16 06:59:44,484 INFO L226 Difference]: Without dead ends: 13 [2021-04-16 06:59:44,486 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-16 06:59:44,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-04-16 06:59:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-04-16 06:59:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-04-16 06:59:44,512 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2021-04-16 06:59:44,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:59:44,512 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-04-16 06:59:44,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-04-16 06:59:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-04-16 06:59:44,513 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:59:44,513 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:59:44,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 06:59:44,513 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:59:44,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:59:44,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1427254040, now seen corresponding path program 1 times [2021-04-16 06:59:44,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:59:44,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399220618] [2021-04-16 06:59:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:59:44,517 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 06:59:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:59:44,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 06:59:44,567 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-04-16 06:59:44,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-16 06:59:44,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 06:59:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 06:59:44,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 06:59:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 06:59:44,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399220618] [2021-04-16 06:59:44,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 06:59:44,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 06:59:44,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18497398] [2021-04-16 06:59:44,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 06:59:44,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 06:59:44,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 06:59:44,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 06:59:44,612 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 06:59:44,676 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-04-16 06:59:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 06:59:44,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-04-16 06:59:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 06:59:44,678 INFO L225 Difference]: With dead ends: 20 [2021-04-16 06:59:44,678 INFO L226 Difference]: Without dead ends: 15 [2021-04-16 06:59:44,679 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-16 06:59:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-04-16 06:59:44,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-04-16 06:59:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-04-16 06:59:44,685 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2021-04-16 06:59:44,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 06:59:44,685 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-04-16 06:59:44,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 06:59:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-04-16 06:59:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-04-16 06:59:44,685 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 06:59:44,686 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 06:59:44,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 06:59:44,686 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 06:59:44,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 06:59:44,687 INFO L82 PathProgramCache]: Analyzing trace with hash -397340509, now seen corresponding path program 1 times [2021-04-16 06:59:44,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 06:59:44,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773309421] [2021-04-16 06:59:44,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 06:59:44,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-16 06:59:44,715 INFO L175 rdanLoopAcceleration]: Guard: Formula: (and (< (mod v_main_~x~0_11 4294967296) 99) (not (= (mod v_main_~y~0_6 2) 0))) InVars {main_~x~0=v_main_~x~0_11, main_~y~0=v_main_~y~0_6} OutVars{main_~x~0=v_main_~x~0_11, main_~y~0=v_main_~y~0_6} AuxVars[] AssignedVars[] [2021-04-16 06:59:44,724 WARN L240 tifierPushTermWalker]: treesize reduction 23, result has 75.3 percent of original size [2021-04-16 06:59:44,730 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,734 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,738 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,742 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,744 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,792 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 06:59:44,799 INFO L108 tifierPushTermWalker]: treesize reduction 13, result has 7.1 percent of original size [2021-04-16 06:59:44,806 INFO L108 tifierPushTermWalker]: treesize reduction 13, result has 7.1 percent of original size [2021-04-16 06:59:44,817 INFO L108 tifierPushTermWalker]: treesize reduction 28, result has 3.4 percent of original size [2021-04-16 06:59:44,824 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,825 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-16 06:59:44,830 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,933 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-04-16 06:59:44,933 INFO L118 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,945 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,948 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,952 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,957 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 06:59:44,958 WARN L245 tifierPushTermWalker]: treesize reduction 23, result has 75.3 percent of original size 70 [2021-04-16 06:59:45,168 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-16 06:59:45,172 INFO L142 QuantifierPusher]: treesize reduction 14, result has 85.9 percent of original size [2021-04-16 06:59:45,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-16 06:59:45,174 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 06:59:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-16 06:59:45,224 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-16 06:59:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-16 06:59:45,264 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-16 06:59:45,284 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-04-16 06:59:45,284 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-04-16 06:59:45,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 06:59:45,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 06:59:45 BoogieIcfgContainer [2021-04-16 06:59:45,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 06:59:45,299 INFO L168 Benchmark]: Toolchain (without parser) took 1519.10 ms. Allocated memory is still 199.2 MB. Free memory was 164.7 MB in the beginning and 96.7 MB in the end (delta: 68.0 MB). Peak memory consumption was 67.7 MB. Max. memory is 8.0 GB. [2021-04-16 06:59:45,299 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 199.2 MB. Free memory was 181.3 MB in the beginning and 181.3 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 06:59:45,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.89 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 183.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2021-04-16 06:59:45,301 INFO L168 Benchmark]: Boogie Preprocessor took 36.82 ms. Allocated memory is still 199.2 MB. Free memory was 183.4 MB in the beginning and 182.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-04-16 06:59:45,303 INFO L168 Benchmark]: RCFGBuilder took 196.04 ms. Allocated memory is still 199.2 MB. Free memory was 181.7 MB in the beginning and 168.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-04-16 06:59:45,304 INFO L168 Benchmark]: TraceAbstraction took 1110.05 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 96.7 MB in the end (delta: 70.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 8.0 GB. [2021-04-16 06:59:45,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 199.2 MB. Free memory was 181.3 MB in the beginning and 181.3 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 171.89 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 183.4 MB in the end (delta: -18.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.82 ms. Allocated memory is still 199.2 MB. Free memory was 183.4 MB in the beginning and 182.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 196.04 ms. Allocated memory is still 199.2 MB. Free memory was 181.7 MB in the beginning and 168.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1110.05 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 96.7 MB in the end (delta: 70.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] unsigned int x = 0; [L15] unsigned int y = __VERIFIER_nondet_uint(); [L17] COND TRUE x < 99 [L18] COND FALSE !(y % 2 == 0) [L21] x += 2 [L17] COND FALSE !(x < 99) [L25] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L7] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1063.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 8.6ms, AutomataDifference: 130.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 28 SDtfs, 21 SDslu, 10 SDs, 0 SdLazy, 17 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 99.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...