/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/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:47:22,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:47:22,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:47:23,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:47:23,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:47:23,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:47:23,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:47:23,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:47:23,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:47:23,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:47:23,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:47:23,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:47:23,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:47:23,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:47:23,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:47:23,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:47:23,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:47:23,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:47:23,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:47:23,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:47:23,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:47:23,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:47:23,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:47:23,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:47:23,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:47:23,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:47:23,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:47:23,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:47:23,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:47:23,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:47:23,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:47:23,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:47:23,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:47:23,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:47:23,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:47:23,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:47:23,057 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 16:47:23,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:47:23,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:47:23,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:47:23,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:47:23,086 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:47:23,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:47:23,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:47:23,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:47:23,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:47:23,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:47:23,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:47:23,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:47:23,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:47:23,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:47:23,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:47:23,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:47:23,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:47:23,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:47:23,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:47:23,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:47:23,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:47:23,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:47:23,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:47:23,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:47:23,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:47:23,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:47:23,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:47:23,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:47:23,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:47:23,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:47:23,466 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:47:23,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2021-01-06 16:47:23,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cb5c6ed46/92dbbab7db564cc8a4fa23440b0c4e1c/FLAGaf5a177ca [2021-01-06 16:47:24,203 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:47:24,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i [2021-01-06 16:47:24,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cb5c6ed46/92dbbab7db564cc8a4fa23440b0c4e1c/FLAGaf5a177ca [2021-01-06 16:47:24,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cb5c6ed46/92dbbab7db564cc8a4fa23440b0c4e1c [2021-01-06 16:47:24,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:47:24,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:47:24,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:47:24,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:47:24,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:47:24,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782c1918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24, skipping insertion in model container [2021-01-06 16:47:24,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:47:24,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 16:47:24,783 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/loop-crafted/simple_array_index_value_4.i[919,932] left hand side expression in assignment: lhs: VariableLHS[~index1~0,] left hand side expression in assignment: lhs: VariableLHS[~index2~0,] left hand side expression in assignment: lhs: VariableLHS[~loop_entered~0,] [2021-01-06 16:47:24,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:47:24,823 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 16:47:24,838 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/loop-crafted/simple_array_index_value_4.i[919,932] left hand side expression in assignment: lhs: VariableLHS[~index1~0,] left hand side expression in assignment: lhs: VariableLHS[~index2~0,] left hand side expression in assignment: lhs: VariableLHS[~loop_entered~0,] [2021-01-06 16:47:24,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:47:24,863 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:47:24,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24 WrapperNode [2021-01-06 16:47:24,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:47:24,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:47:24,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:47:24,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:47:24,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:47:24,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:47:24,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:47:24,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:47:24,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (1/1) ... [2021-01-06 16:47:24,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:47:24,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:47:24,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:47:24,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:47:24,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (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 16:47:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:47:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:47:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:47:25,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:47:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:47:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:47:25,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:47:25,529 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-01-06 16:47:25,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:47:25 BoogieIcfgContainer [2021-01-06 16:47:25,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:47:25,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:47:25,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:47:25,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:47:25,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:47:24" (1/3) ... [2021-01-06 16:47:25,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2d2a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:47:25, skipping insertion in model container [2021-01-06 16:47:25,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:47:24" (2/3) ... [2021-01-06 16:47:25,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2d2a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:47:25, skipping insertion in model container [2021-01-06 16:47:25,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:47:25" (3/3) ... [2021-01-06 16:47:25,551 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2021-01-06 16:47:25,566 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:47:25,577 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 16:47:25,597 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 16:47:25,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:47:25,677 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:47:25,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:47:25,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:47:25,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:47:25,678 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:47:25,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:47:25,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:47:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2021-01-06 16:47:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-06 16:47:25,713 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:47:25,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:47:25,714 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:47:25,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:47:25,721 INFO L82 PathProgramCache]: Analyzing trace with hash 119391765, now seen corresponding path program 1 times [2021-01-06 16:47:25,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:47:25,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355825674] [2021-01-06 16:47:25,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:47:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:25,887 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 16:47:25,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355825674] [2021-01-06 16:47:25,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:47:25,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:47:25,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531382732] [2021-01-06 16:47:25,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:47:25,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:47:25,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:47:25,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:47:25,915 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2021-01-06 16:47:25,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:47:25,933 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2021-01-06 16:47:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:47:25,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2021-01-06 16:47:25,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:47:25,944 INFO L225 Difference]: With dead ends: 41 [2021-01-06 16:47:25,944 INFO L226 Difference]: Without dead ends: 18 [2021-01-06 16:47:25,947 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 16:47:25,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-01-06 16:47:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-01-06 16:47:25,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-01-06 16:47:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-01-06 16:47:25,983 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 8 [2021-01-06 16:47:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:47:25,983 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-01-06 16:47:25,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:47:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-01-06 16:47:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-06 16:47:25,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:47:25,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:47:25,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:47:25,985 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:47:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:47:25,986 INFO L82 PathProgramCache]: Analyzing trace with hash 176709649, now seen corresponding path program 1 times [2021-01-06 16:47:25,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:47:25,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239409047] [2021-01-06 16:47:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:47:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:26,296 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 16:47:26,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239409047] [2021-01-06 16:47:26,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:47:26,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 16:47:26,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255255023] [2021-01-06 16:47:26,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 16:47:26,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:47:26,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 16:47:26,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-01-06 16:47:26,300 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2021-01-06 16:47:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:47:26,446 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-01-06 16:47:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 16:47:26,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2021-01-06 16:47:26,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:47:26,448 INFO L225 Difference]: With dead ends: 31 [2021-01-06 16:47:26,448 INFO L226 Difference]: Without dead ends: 29 [2021-01-06 16:47:26,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-01-06 16:47:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-01-06 16:47:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2021-01-06 16:47:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-01-06 16:47:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-01-06 16:47:26,456 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 8 [2021-01-06 16:47:26,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:47:26,457 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-01-06 16:47:26,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 16:47:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-01-06 16:47:26,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-01-06 16:47:26,458 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:47:26,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:47:26,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:47:26,459 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:47:26,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:47:26,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1981911752, now seen corresponding path program 1 times [2021-01-06 16:47:26,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:47:26,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384278751] [2021-01-06 16:47:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:47:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:26,518 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 16:47:26,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384278751] [2021-01-06 16:47:26,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:47:26,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 16:47:26,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079048800] [2021-01-06 16:47:26,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 16:47:26,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:47:26,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 16:47:26,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:47:26,521 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 3 states. [2021-01-06 16:47:26,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:47:26,536 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2021-01-06 16:47:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 16:47:26,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-01-06 16:47:26,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:47:26,541 INFO L225 Difference]: With dead ends: 29 [2021-01-06 16:47:26,541 INFO L226 Difference]: Without dead ends: 23 [2021-01-06 16:47:26,542 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 16:47:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-01-06 16:47:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-01-06 16:47:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-01-06 16:47:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-01-06 16:47:26,554 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 10 [2021-01-06 16:47:26,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:47:26,554 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-01-06 16:47:26,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 16:47:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-01-06 16:47:26,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-01-06 16:47:26,556 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:47:26,556 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:47:26,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 16:47:26,559 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:47:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:47:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1303994310, now seen corresponding path program 1 times [2021-01-06 16:47:26,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:47:26,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578073443] [2021-01-06 16:47:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:47:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:47:26,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578073443] [2021-01-06 16:47:26,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811004158] [2021-01-06 16:47:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:47:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:27,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2021-01-06 16:47:27,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 16:47:27,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 16:47:27,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 16:47:27,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 16:47:27,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-01-06 16:47:27,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-01-06 16:47:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:47:27,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 16:47:27,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 14 [2021-01-06 16:47:27,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283479769] [2021-01-06 16:47:27,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-06 16:47:27,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:47:27,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-06 16:47:27,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-01-06 16:47:27,718 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 14 states. [2021-01-06 16:47:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:47:28,484 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2021-01-06 16:47:28,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 16:47:28,485 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2021-01-06 16:47:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:47:28,486 INFO L225 Difference]: With dead ends: 36 [2021-01-06 16:47:28,486 INFO L226 Difference]: Without dead ends: 26 [2021-01-06 16:47:28,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-01-06 16:47:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-01-06 16:47:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-01-06 16:47:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-01-06 16:47:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-01-06 16:47:28,492 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2021-01-06 16:47:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:47:28,493 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-01-06 16:47:28,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-01-06 16:47:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-01-06 16:47:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 16:47:28,494 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:47:28,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:47:28,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:47:28,701 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:47:28,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:47:28,703 INFO L82 PathProgramCache]: Analyzing trace with hash -993111123, now seen corresponding path program 1 times [2021-01-06 16:47:28,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:47:28,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088228416] [2021-01-06 16:47:28,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:47:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:47:29,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088228416] [2021-01-06 16:47:29,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976351699] [2021-01-06 16:47:29,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:47:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:47:29,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 35 conjunts are in the unsatisfiable core [2021-01-06 16:47:29,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 16:47:29,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:47:29,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:47:29,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-01-06 16:47:29,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-01-06 16:47:29,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2021-01-06 16:47:30,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2021-01-06 16:47:30,164 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 16:47:30,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 16:47:30,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 16 [2021-01-06 16:47:30,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132019115] [2021-01-06 16:47:30,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 16:47:30,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:47:30,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 16:47:30,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-01-06 16:47:30,167 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 11 states. [2021-01-06 16:47:30,753 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-01-06 16:47:30,984 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-01-06 16:47:31,160 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-01-06 16:47:31,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:47:31,279 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-01-06 16:47:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 16:47:31,281 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2021-01-06 16:47:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:47:31,282 INFO L225 Difference]: With dead ends: 20 [2021-01-06 16:47:31,282 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 16:47:31,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2021-01-06 16:47:31,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 16:47:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 16:47:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 16:47:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 16:47:31,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-01-06 16:47:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:47:31,284 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 16:47:31,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 16:47:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 16:47:31,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 16:47:31,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 16:47:31,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 16:47:31,880 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2021-01-06 16:47:31,891 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2021-01-06 16:47:31,891 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point L53(lines 53 59) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point L20(lines 20 22) no Hoare annotation was computed. [2021-01-06 16:47:31,892 INFO L189 CegarLoopUtils]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2021-01-06 16:47:31,893 INFO L185 CegarLoopUtils]: At program point L45-1(lines 20 51) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (= ULTIMATE.start_main_~loop_entered~0 0) (<= ULTIMATE.start_main_~index2~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index2~0 4294967296)) 99999)) (<= ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div ULTIMATE.start_main_~index1~0 4294967296)) 99999))) (let ((.cse5 (+ ULTIMATE.start_main_~index2~0 1))) (let ((.cse1 (mod .cse5 4294967296))) (and (< .cse1 100000) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse1) (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|))) (let ((.cse2 (select .cse4 (+ (* (div .cse5 4294967296) (- 17179869184)) (* ULTIMATE.start_main_~index2~0 4) |ULTIMATE.start_main_~#array~0.offset| 4)))) (<= .cse2 (let ((.cse3 (select .cse4 (+ (* (div (+ ULTIMATE.start_main_~index1~0 (- 1)) 4294967296) (- 17179869184)) |ULTIMATE.start_main_~#array~0.offset| (* ULTIMATE.start_main_~index1~0 4) (- 4))))) (+ .cse3 (* 4294967296 (div (+ .cse2 (* .cse3 (- 1))) 4294967296))))))) .cse0))))) [2021-01-06 16:47:31,895 INFO L189 CegarLoopUtils]: For program point L45-2(lines 34 61) no Hoare annotation was computed. [2021-01-06 16:47:31,895 INFO L189 CegarLoopUtils]: For program point L33(lines 33 61) no Hoare annotation was computed. [2021-01-06 16:47:31,895 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 16:47:31,895 INFO L189 CegarLoopUtils]: For program point L25(lines 25 27) no Hoare annotation was computed. [2021-01-06 16:47:31,895 INFO L185 CegarLoopUtils]: At program point L25-2(lines 23 29) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~index2~0 4294967296))) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< .cse0 100000) (< (mod ULTIMATE.start_main_~index1~0 4294967296) .cse0) (= ULTIMATE.start_assume_abort_if_not_~cond 1))) [2021-01-06 16:47:31,896 INFO L189 CegarLoopUtils]: For program point L25-3(lines 25 27) no Hoare annotation was computed. [2021-01-06 16:47:31,896 INFO L189 CegarLoopUtils]: For program point L21(line 21) no Hoare annotation was computed. [2021-01-06 16:47:31,897 INFO L185 CegarLoopUtils]: At program point L25-5(lines 23 29) the Hoare annotation is: (let ((.cse0 (mod (+ ULTIMATE.start_main_~index2~0 1) 4294967296))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< .cse0 100000) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse0))) [2021-01-06 16:47:31,897 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 58) the Hoare annotation is: (or (let ((.cse4 (+ ULTIMATE.start_main_~index2~0 1))) (let ((.cse0 (mod .cse4 4294967296))) (and (< .cse0 100000) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< (mod (+ ULTIMATE.start_main_~index1~0 4294967295) 4294967296) .cse0) (let ((.cse3 (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|))) (let ((.cse1 (select .cse3 (+ (* (div .cse4 4294967296) (- 17179869184)) (* ULTIMATE.start_main_~index2~0 4) |ULTIMATE.start_main_~#array~0.offset| 4)))) (<= .cse1 (let ((.cse2 (select .cse3 (+ (* (div (+ ULTIMATE.start_main_~index1~0 (- 1)) 4294967296) (- 17179869184)) |ULTIMATE.start_main_~#array~0.offset| (* ULTIMATE.start_main_~index1~0 4) (- 4))))) (+ .cse2 (* 4294967296 (div (+ .cse1 (* .cse2 (- 1))) 4294967296))))))) (= ULTIMATE.start_assume_abort_if_not_~cond 1)))) (let ((.cse5 (mod ULTIMATE.start_main_~index2~0 4294967296))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< .cse5 100000) (< (mod ULTIMATE.start_main_~index1~0 4294967296) .cse5)))) [2021-01-06 16:47:31,897 INFO L189 CegarLoopUtils]: For program point L21-2(line 21) no Hoare annotation was computed. [2021-01-06 16:47:31,897 INFO L189 CegarLoopUtils]: For program point L21-4(line 21) no Hoare annotation was computed. [2021-01-06 16:47:31,897 INFO L189 CegarLoopUtils]: For program point L26(line 26) no Hoare annotation was computed. [2021-01-06 16:47:31,897 INFO L189 CegarLoopUtils]: For program point L26-1(line 26) no Hoare annotation was computed. [2021-01-06 16:47:31,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:47:31 BoogieIcfgContainer [2021-01-06 16:47:31,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:47:31,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:47:31,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:47:31,943 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:47:31,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:47:25" (3/4) ... [2021-01-06 16:47:31,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 16:47:31,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-01-06 16:47:31,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 16:47:31,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 16:47:31,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 16:47:32,039 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-crafted/simple_array_index_value_4.i-witness.graphml [2021-01-06 16:47:32,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:47:32,040 INFO L168 Benchmark]: Toolchain (without parser) took 7447.58 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.3 MB in the beginning and 98.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 59.2 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,041 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:47:32,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.35 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.08 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 114.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,042 INFO L168 Benchmark]: Boogie Preprocessor took 25.90 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 113.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,043 INFO L168 Benchmark]: RCFGBuilder took 595.81 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 99.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,044 INFO L168 Benchmark]: TraceAbstraction took 6404.43 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 98.6 MB in the beginning and 101.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,044 INFO L168 Benchmark]: Witness Printer took 96.21 ms. Allocated memory is still 181.4 MB. Free memory was 101.4 MB in the beginning and 98.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:47:32,048 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 was 123.5 MB in the beginning and 123.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 265.35 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.08 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 114.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.90 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 113.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 595.81 ms. Allocated memory is still 151.0 MB. Free memory was 113.3 MB in the beginning and 99.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6404.43 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 98.6 MB in the beginning and 101.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Witness Printer took 96.21 ms. Allocated memory is still 181.4 MB. Free memory was 101.4 MB in the beginning and 98.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((cond == 1 && loop_entered == 0) && index2 <= 4294967296 * (index2 / 4294967296) + 99999) && index1 <= 4294967296 * (index1 / 4294967296) + 99999) || (((((index2 + 1) % 4294967296 < 100000 && 1 == cond) && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296) && unknown-#memory_int-unknown[array][(index2 + 1) / 4294967296 * -17179869184 + index2 * 4 + array + 4] <= unknown-#memory_int-unknown[array][(index1 + -1) / 4294967296 * -17179869184 + array + index1 * 4 + -4] + 4294967296 * ((unknown-#memory_int-unknown[array][(index2 + 1) / 4294967296 * -17179869184 + index2 * 4 + array + 4] + unknown-#memory_int-unknown[array][(index1 + -1) / 4294967296 * -17179869184 + array + index1 * 4 + -4] * -1) / 4294967296)) && cond == 1) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((1 == cond && index2 % 4294967296 < 100000) && index1 % 4294967296 < index2 % 4294967296) && cond == 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (!(0 == cond) && (index2 + 1) % 4294967296 < 100000) && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((index2 + 1) % 4294967296 < 100000 && 1 == cond) && (index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296) && unknown-#memory_int-unknown[array][(index2 + 1) / 4294967296 * -17179869184 + index2 * 4 + array + 4] <= unknown-#memory_int-unknown[array][(index1 + -1) / 4294967296 * -17179869184 + array + index1 * 4 + -4] + 4294967296 * ((unknown-#memory_int-unknown[array][(index2 + 1) / 4294967296 * -17179869184 + index2 * 4 + array + 4] + unknown-#memory_int-unknown[array][(index1 + -1) / 4294967296 * -17179869184 + array + index1 * 4 + -4] * -1) / 4294967296)) && cond == 1) || ((!(0 == cond) && index2 % 4294967296 < 100000) && index1 % 4294967296 < index2 % 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 154 SDslu, 69 SDs, 0 SdLazy, 161 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 290 HoareAnnotationTreeSize, 4 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 353 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 19696 SizeOfPredicates, 23 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 3/6 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...