/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/bitvector-loops/diamond_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 11:33:43,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 11:33:43,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 11:33:43,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 11:33:43,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 11:33:43,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 11:33:43,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 11:33:43,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 11:33:43,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 11:33:43,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 11:33:43,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 11:33:43,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 11:33:43,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 11:33:43,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 11:33:43,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 11:33:43,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 11:33:43,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 11:33:43,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 11:33:43,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 11:33:43,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 11:33:43,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 11:33:43,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 11:33:43,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 11:33:43,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 11:33:43,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 11:33:43,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 11:33:43,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 11:33:43,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 11:33:43,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 11:33:43,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 11:33:43,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 11:33:43,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 11:33:43,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 11:33:43,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 11:33:43,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 11:33:43,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 11:33:43,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 11:33:43,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 11:33:43,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 11:33:43,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 11:33:43,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 11:33:43,190 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 11:33:43,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 11:33:43,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 11:33:43,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 11:33:43,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 11:33:43,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 11:33:43,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 11:33:43,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 11:33:43,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 11:33:43,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 11:33:43,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 11:33:43,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 11:33:43,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 11:33:43,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 11:33:43,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 11:33:43,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 11:33:43,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 11:33:43,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 11:33:43,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 11:33:43,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 11:33:43,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 11:33:43,195 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 11:33:43,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 11:33:43,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 11:33:43,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 11:33:43,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 11:33:43,639 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 11:33:43,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-loops/diamond_2-1.c [2021-01-06 11:33:43,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43445a59/0da785c1daba4dd38d3997fd80f3cc7a/FLAG2e5f0119b [2021-01-06 11:33:44,387 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 11:33:44,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-loops/diamond_2-1.c [2021-01-06 11:33:44,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43445a59/0da785c1daba4dd38d3997fd80f3cc7a/FLAG2e5f0119b [2021-01-06 11:33:44,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c43445a59/0da785c1daba4dd38d3997fd80f3cc7a [2021-01-06 11:33:44,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 11:33:44,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 11:33:44,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 11:33:44,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 11:33:44,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 11:33:44,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:33:44" (1/1) ... [2021-01-06 11:33:44,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35971960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:44, skipping insertion in model container [2021-01-06 11:33:44,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 11:33:44" (1/1) ... [2021-01-06 11:33:44,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 11:33:44,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 11:33:44,996 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2021-01-06 11:33:45,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:33:45,031 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 11:33:45,045 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/bitvector-loops/diamond_2-1.c[373,386] [2021-01-06 11:33:45,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 11:33:45,087 INFO L208 MainTranslator]: Completed translation [2021-01-06 11:33:45,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45 WrapperNode [2021-01-06 11:33:45,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 11:33:45,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 11:33:45,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 11:33:45,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 11:33:45,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 11:33:45,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 11:33:45,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 11:33:45,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 11:33:45,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... [2021-01-06 11:33:45,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 11:33:45,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 11:33:45,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 11:33:45,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 11:33:45,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 11:33:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 11:33:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 11:33:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 11:33:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 11:33:45,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 11:33:45,596 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 11:33:45,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:45 BoogieIcfgContainer [2021-01-06 11:33:45,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 11:33:45,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 11:33:45,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 11:33:45,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 11:33:45,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 11:33:44" (1/3) ... [2021-01-06 11:33:45,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a335432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:33:45, skipping insertion in model container [2021-01-06 11:33:45,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 11:33:45" (2/3) ... [2021-01-06 11:33:45,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a335432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 11:33:45, skipping insertion in model container [2021-01-06 11:33:45,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:45" (3/3) ... [2021-01-06 11:33:45,611 INFO L111 eAbstractionObserver]: Analyzing ICFG diamond_2-1.c [2021-01-06 11:33:45,619 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 11:33:45,625 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 11:33:45,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 11:33:45,709 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 11:33:45,709 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 11:33:45,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 11:33:45,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 11:33:45,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 11:33:45,710 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 11:33:45,710 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 11:33:45,710 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 11:33:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-01-06 11:33:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 11:33:45,743 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:45,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 11:33:45,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:45,752 INFO L82 PathProgramCache]: Analyzing trace with hash 891600039, now seen corresponding path program 1 times [2021-01-06 11:33:45,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:45,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124466457] [2021-01-06 11:33:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:33:45,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124466457] [2021-01-06 11:33:45,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:33:45,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 11:33:45,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11024724] [2021-01-06 11:33:45,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 11:33:45,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:46,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 11:33:46,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 11:33:46,005 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2021-01-06 11:33:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:46,025 INFO L93 Difference]: Finished difference Result 27 states and 39 transitions. [2021-01-06 11:33:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 11:33:46,027 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2021-01-06 11:33:46,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:46,049 INFO L225 Difference]: With dead ends: 27 [2021-01-06 11:33:46,049 INFO L226 Difference]: Without dead ends: 17 [2021-01-06 11:33:46,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 11:33:46,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-01-06 11:33:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-01-06 11:33:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-01-06 11:33:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 27 transitions. [2021-01-06 11:33:46,094 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 27 transitions. Word has length 6 [2021-01-06 11:33:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:46,095 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 27 transitions. [2021-01-06 11:33:46,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 11:33:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-01-06 11:33:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 11:33:46,096 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:46,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 11:33:46,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 11:33:46,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:46,101 INFO L82 PathProgramCache]: Analyzing trace with hash 889693415, now seen corresponding path program 1 times [2021-01-06 11:33:46,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:46,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268425059] [2021-01-06 11:33:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:33:46,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268425059] [2021-01-06 11:33:46,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:33:46,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:33:46,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467356341] [2021-01-06 11:33:46,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:33:46,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:46,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:33:46,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:46,285 INFO L87 Difference]: Start difference. First operand 17 states and 27 transitions. Second operand 3 states. [2021-01-06 11:33:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:46,375 INFO L93 Difference]: Finished difference Result 23 states and 34 transitions. [2021-01-06 11:33:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:33:46,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-01-06 11:33:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:46,380 INFO L225 Difference]: With dead ends: 23 [2021-01-06 11:33:46,380 INFO L226 Difference]: Without dead ends: 19 [2021-01-06 11:33:46,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:46,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-01-06 11:33:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-01-06 11:33:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-01-06 11:33:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2021-01-06 11:33:46,391 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 28 transitions. Word has length 6 [2021-01-06 11:33:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:46,392 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 28 transitions. [2021-01-06 11:33:46,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:33:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-01-06 11:33:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 11:33:46,393 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:46,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:33:46,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 11:33:46,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:46,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1797740634, now seen corresponding path program 1 times [2021-01-06 11:33:46,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:46,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921333187] [2021-01-06 11:33:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 11:33:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 11:33:46,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921333187] [2021-01-06 11:33:46,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 11:33:46,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 11:33:46,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049421890] [2021-01-06 11:33:46,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 11:33:46,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 11:33:46,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 11:33:46,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:46,474 INFO L87 Difference]: Start difference. First operand 18 states and 28 transitions. Second operand 3 states. [2021-01-06 11:33:46,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 11:33:46,553 INFO L93 Difference]: Finished difference Result 48 states and 78 transitions. [2021-01-06 11:33:46,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 11:33:46,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 11:33:46,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 11:33:46,555 INFO L225 Difference]: With dead ends: 48 [2021-01-06 11:33:46,555 INFO L226 Difference]: Without dead ends: 33 [2021-01-06 11:33:46,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 11:33:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-01-06 11:33:46,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2021-01-06 11:33:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-01-06 11:33:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-01-06 11:33:46,566 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-01-06 11:33:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 11:33:46,568 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-01-06 11:33:46,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 11:33:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-01-06 11:33:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 11:33:46,569 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 11:33:46,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 11:33:46,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 11:33:46,570 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 11:33:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 11:33:46,571 INFO L82 PathProgramCache]: Analyzing trace with hash -170777494, now seen corresponding path program 1 times [2021-01-06 11:33:46,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 11:33:46,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415318524] [2021-01-06 11:33:46,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 11:33:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:33:46,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:33:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 11:33:46,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 11:33:46,725 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 11:33:46,725 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 11:33:46,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 11:33:46,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 11:33:46 BoogieIcfgContainer [2021-01-06 11:33:46,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 11:33:46,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 11:33:46,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 11:33:46,757 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 11:33:46,757 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 11:33:45" (3/4) ... [2021-01-06 11:33:46,759 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 11:33:46,815 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/bitvector-loops/diamond_2-1.c-witness.graphml [2021-01-06 11:33:46,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 11:33:46,818 INFO L168 Benchmark]: Toolchain (without parser) took 2030.50 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 84.9 MB in the end (delta: 41.1 MB). Peak memory consumption was 42.3 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,818 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 11:33:46,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,821 INFO L168 Benchmark]: Boogie Preprocessor took 27.13 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 113.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,821 INFO L168 Benchmark]: RCFGBuilder took 436.35 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 132.0 MB in the end (delta: -19.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,822 INFO L168 Benchmark]: TraceAbstraction took 1154.85 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 87.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,823 INFO L168 Benchmark]: Witness Printer took 59.63 ms. Allocated memory is still 151.0 MB. Free memory was 87.5 MB in the beginning and 84.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 11:33:46,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 295.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 151.0 MB. Free memory was 115.9 MB in the beginning and 114.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.13 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 113.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 436.35 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 132.0 MB in the end (delta: -19.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1154.85 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 87.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 8.0 GB. * Witness Printer took 59.63 ms. Allocated memory is still 151.0 MB. Free memory was 87.5 MB in the beginning and 84.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 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) [L19] x += 2 [L21] COND FALSE !(y % 2 == 0) [L22] x -= 2 [L24] COND FALSE !(y % 2 == 0) [L25] x += 2 [L27] COND FALSE !(y % 2 == 0) [L28] x -= 2 [L30] COND FALSE !(y % 2 == 0) [L31] x += 2 [L33] COND FALSE !(y % 2 == 0) [L34] x -= 4 [L36] COND FALSE !(y % 2 == 0) [L37] x += 4 [L39] COND FALSE !(y % 2 == 0) [L40] x += 2 [L42] COND FALSE !(y % 2 == 0) [L43] x -= 4 [L45] COND FALSE !(y % 2 == 0) [L46] x -= 4 [L17] COND FALSE !(x < 99) [L7] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 15 SDslu, 8 SDs, 0 SdLazy, 49 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=3, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...