/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:46:36,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:46:36,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:46:36,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:46:36,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:46:36,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:46:36,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:46:36,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:46:36,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:46:36,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:46:36,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:46:36,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:46:36,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:46:36,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:46:36,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:46:36,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:46:36,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:46:36,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:46:36,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:46:36,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:46:36,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:46:36,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:46:36,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:46:36,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:46:36,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:46:36,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:46:36,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:46:36,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:46:36,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:46:36,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:46:36,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:46:36,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:46:36,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:46:36,658 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:46:36,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:46:36,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:46:36,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:46:36,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:46:36,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:46:36,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:46:36,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:46:36,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:46:36,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:46:36,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:46:36,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:46:36,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:46:36,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:46:36,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:46:36,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:46:36,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:46:36,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:46:36,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:46:36,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:46:36,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:46:36,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:46:36,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:46:36,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:46:36,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:46:36,665 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:46:37,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:46:37,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:46:37,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:46:37,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:46:37,075 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:46:37,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-11-06 22:46:37,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b82c5ee/651e67493a4643a2b34dabfce7787ad0/FLAG817b75a04 [2020-11-06 22:46:37,795 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:46:37,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-11-06 22:46:37,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b82c5ee/651e67493a4643a2b34dabfce7787ad0/FLAG817b75a04 [2020-11-06 22:46:38,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3b82c5ee/651e67493a4643a2b34dabfce7787ad0 [2020-11-06 22:46:38,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:46:38,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:46:38,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:38,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:46:38,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:46:38,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227c21b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38, skipping insertion in model container [2020-11-06 22:46:38,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:46:38,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:46:38,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:38,527 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:46:38,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:46:38,564 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:46:38,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38 WrapperNode [2020-11-06 22:46:38,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:46:38,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:46:38,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:46:38,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:46:38,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (1/1) ... [2020-11-06 22:46:38,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:46:38,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:46:38,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:46:38,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:46:38,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (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 [2020-11-06 22:46:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:46:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:46:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:46:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:46:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:46:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:46:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:46:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:46:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:46:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:46:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:46:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:46:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:46:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:46:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:46:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:46:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:46:38,971 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:46:38,972 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:46:38,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:38 BoogieIcfgContainer [2020-11-06 22:46:38,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:46:38,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:46:38,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:46:38,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:46:38,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:38" (1/3) ... [2020-11-06 22:46:38,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d590067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:38, skipping insertion in model container [2020-11-06 22:46:38,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:38" (2/3) ... [2020-11-06 22:46:38,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d590067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:38, skipping insertion in model container [2020-11-06 22:46:38,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:38" (3/3) ... [2020-11-06 22:46:38,985 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+cfa-reducer.c [2020-11-06 22:46:39,005 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:46:39,010 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:46:39,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:46:39,112 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:46:39,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:46:39,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:46:39,115 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:46:39,115 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:46:39,115 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:46:39,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:46:39,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:46:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-06 22:46:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-06 22:46:39,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:39,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:39,149 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:39,157 INFO L82 PathProgramCache]: Analyzing trace with hash -113637438, now seen corresponding path program 1 times [2020-11-06 22:46:39,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:39,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575606875] [2020-11-06 22:46:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:39,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575606875] [2020-11-06 22:46:39,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:39,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 22:46:39,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933036629] [2020-11-06 22:46:39,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:46:39,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:39,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:46:39,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:46:39,663 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2020-11-06 22:46:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:39,820 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-11-06 22:46:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 22:46:39,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-06 22:46:39,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:39,832 INFO L225 Difference]: With dead ends: 41 [2020-11-06 22:46:39,832 INFO L226 Difference]: Without dead ends: 21 [2020-11-06 22:46:39,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:39,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-06 22:46:39,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2020-11-06 22:46:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-06 22:46:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-11-06 22:46:39,879 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2020-11-06 22:46:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:39,880 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-06 22:46:39,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:46:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-06 22:46:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-06 22:46:39,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:39,881 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:39,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:46:39,882 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:39,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:39,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1827489152, now seen corresponding path program 1 times [2020-11-06 22:46:39,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:39,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966780755] [2020-11-06 22:46:39,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:40,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966780755] [2020-11-06 22:46:40,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:40,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 22:46:40,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770990058] [2020-11-06 22:46:40,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:46:40,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:40,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:46:40,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:40,245 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 5 states. [2020-11-06 22:46:46,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:46,788 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2020-11-06 22:46:46,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:46:46,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-06 22:46:46,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:46,789 INFO L225 Difference]: With dead ends: 37 [2020-11-06 22:46:46,790 INFO L226 Difference]: Without dead ends: 23 [2020-11-06 22:46:46,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:46:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-06 22:46:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-11-06 22:46:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-06 22:46:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2020-11-06 22:46:46,805 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2020-11-06 22:46:46,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:46,807 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2020-11-06 22:46:46,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:46:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2020-11-06 22:46:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-06 22:46:46,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:46:46,809 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:46:46,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:46:46,810 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:46:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:46:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1571903080, now seen corresponding path program 1 times [2020-11-06 22:46:46,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:46:46,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949893107] [2020-11-06 22:46:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:46:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:47,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:46:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:46:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:46:47,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949893107] [2020-11-06 22:46:47,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:46:47,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 22:46:47,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126086548] [2020-11-06 22:46:47,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:46:47,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:46:47,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:46:47,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:46:47,097 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 5 states. [2020-11-06 22:46:53,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:46:53,605 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2020-11-06 22:46:53,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:46:53,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-06 22:46:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:46:53,609 INFO L225 Difference]: With dead ends: 38 [2020-11-06 22:46:53,609 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:46:53,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:46:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:46:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:46:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:46:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:46:53,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-06 22:46:53,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:46:53,614 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:46:53,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:46:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:46:53,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:46:53,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:46:53,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:46:53,862 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-11-06 22:46:53,865 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:46:53,865 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:46:53,866 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:46:53,866 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:46:53,866 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:53,866 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~__return_107~0 |old(~__return_107~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:46:53,866 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:53,867 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:46:53,867 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:46:53,867 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:46:53,867 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:46:53,867 INFO L266 CegarLoopResult]: For program point L27(lines 27 49) no Hoare annotation was computed. [2020-11-06 22:46:53,868 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 9 78) no Hoare annotation was computed. [2020-11-06 22:46:53,868 INFO L266 CegarLoopResult]: For program point L54(lines 54 76) no Hoare annotation was computed. [2020-11-06 22:46:53,868 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 9 78) no Hoare annotation was computed. [2020-11-06 22:46:53,868 INFO L262 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: false [2020-11-06 22:46:53,868 INFO L266 CegarLoopResult]: For program point L63-1(line 63) no Hoare annotation was computed. [2020-11-06 22:46:53,868 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 9 78) the Hoare annotation is: (= |old(~__return_107~0)| ~__return_107~0) [2020-11-06 22:46:53,869 INFO L266 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2020-11-06 22:46:53,869 INFO L266 CegarLoopResult]: For program point L18(lines 18 50) no Hoare annotation was computed. [2020-11-06 22:46:53,869 INFO L266 CegarLoopResult]: For program point L16(lines 16 77) no Hoare annotation was computed. [2020-11-06 22:46:53,869 INFO L262 CegarLoopResult]: At program point L47(lines 10 78) the Hoare annotation is: (let ((.cse0 (= |old(~__return_107~0)| ~__return_107~0))) (or (and .cse0 (= main_~main__y~0 1)) (and .cse0 (<= main_~main__x~0 (let ((.cse1 (div main_~main__x~0 4294967296))) (let ((.cse3 (* .cse1 (- 4294967296)))) (let ((.cse2 (div (+ .cse3 main_~main__x~0) 3))) (+ (* 4294967296 .cse1) (* 3 .cse2) (* 4294967296 (div (+ .cse3 (* .cse2 (- 3)) main_~main__x~0) 4294967296)))))))))) [2020-11-06 22:46:53,869 INFO L266 CegarLoopResult]: For program point L37(lines 37 48) no Hoare annotation was computed. [2020-11-06 22:46:53,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:53 BoogieIcfgContainer [2020-11-06 22:46:53,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:46:53,891 INFO L168 Benchmark]: Toolchain (without parser) took 15697.86 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 108.5 MB in the beginning and 134.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:53,892 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:46:53,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.80 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 124.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:53,894 INFO L168 Benchmark]: Boogie Preprocessor took 32.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 123.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:53,895 INFO L168 Benchmark]: RCFGBuilder took 374.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 121.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:53,896 INFO L168 Benchmark]: TraceAbstraction took 14913.08 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 121.2 MB in the beginning and 134.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:46:53,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 329.80 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 124.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.44 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 123.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 374.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 121.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14913.08 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 121.2 MB in the beginning and 134.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (\old(__return_107) == __return_107 && main__y == 1) || (\old(__return_107) == __return_107 && main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 65 SDslu, 32 SDs, 0 SdLazy, 91 SolverSat, 13 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 97 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 5615 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 correct! Received shutdown request...