/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 01:57:45,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 01:57:45,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 01:57:45,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 01:57:45,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 01:57:45,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 01:57:45,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 01:57:45,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 01:57:45,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 01:57:45,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 01:57:45,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 01:57:45,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 01:57:45,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 01:57:45,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 01:57:45,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 01:57:45,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 01:57:45,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 01:57:45,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 01:57:45,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 01:57:45,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 01:57:45,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 01:57:45,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 01:57:45,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 01:57:45,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 01:57:45,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 01:57:45,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 01:57:45,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 01:57:45,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 01:57:45,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 01:57:45,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 01:57:45,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 01:57:45,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 01:57:45,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 01:57:45,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 01:57:45,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 01:57:45,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 01:57:45,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 01:57:45,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 01:57:45,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 01:57:45,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 01:57:45,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 01:57:45,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 01:57:45,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 01:57:45,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 01:57:45,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 01:57:45,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 01:57:45,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 01:57:45,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 01:57:45,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 01:57:45,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 01:57:45,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 01:57:45,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 01:57:45,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 01:57:45,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 01:57:45,812 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 01:57:45,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 01:57:45,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 01:57:45,812 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 01:57:45,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 01:57:45,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 01:57:45,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:57:45,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 01:57:45,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 01:57:45,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 01:57:45,814 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 01:57:46,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 01:57:46,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 01:57:46,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 01:57:46,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 01:57:46,251 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 01:57:46,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2020-11-07 01:57:46,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64df161/a03b395fe14549a89772202f7022d11e/FLAGa4abca3cb [2020-11-07 01:57:47,065 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 01:57:47,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2020-11-07 01:57:47,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64df161/a03b395fe14549a89772202f7022d11e/FLAGa4abca3cb [2020-11-07 01:57:47,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64df161/a03b395fe14549a89772202f7022d11e [2020-11-07 01:57:47,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 01:57:47,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 01:57:47,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 01:57:47,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 01:57:47,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 01:57:47,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b444173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47, skipping insertion in model container [2020-11-07 01:57:47,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 01:57:47,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 01:57:47,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:57:47,674 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 01:57:47,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 01:57:47,712 INFO L208 MainTranslator]: Completed translation [2020-11-07 01:57:47,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47 WrapperNode [2020-11-07 01:57:47,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 01:57:47,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 01:57:47,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 01:57:47,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 01:57:47,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... [2020-11-07 01:57:47,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 01:57:47,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 01:57:47,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 01:57:47,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 01:57:47,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 01:57:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 01:57:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 01:57:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 01:57:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 01:57:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 01:57:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 01:57:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 01:57:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 01:57:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 01:57:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 01:57:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 01:57:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 01:57:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-11-07 01:57:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 01:57:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 01:57:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 01:57:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 01:57:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 01:57:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 01:57:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 01:57:48,138 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 01:57:48,138 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 01:57:48,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:48 BoogieIcfgContainer [2020-11-07 01:57:48,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 01:57:48,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 01:57:48,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 01:57:48,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 01:57:48,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:57:47" (1/3) ... [2020-11-07 01:57:48,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac7586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:48, skipping insertion in model container [2020-11-07 01:57:48,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:57:47" (2/3) ... [2020-11-07 01:57:48,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac7586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:57:48, skipping insertion in model container [2020-11-07 01:57:48,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:57:48" (3/3) ... [2020-11-07 01:57:48,160 INFO L111 eAbstractionObserver]: Analyzing ICFG sum03-2.i [2020-11-07 01:57:48,201 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 01:57:48,209 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 01:57:48,246 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 01:57:48,312 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 01:57:48,315 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 01:57:48,315 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 01:57:48,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 01:57:48,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 01:57:48,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 01:57:48,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 01:57:48,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 01:57:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-11-07 01:57:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-07 01:57:48,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:57:48,377 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:57:48,378 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:57:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:57:48,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1462564355, now seen corresponding path program 1 times [2020-11-07 01:57:48,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:57:48,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132279875] [2020-11-07 01:57:48,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:57:48,524 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 01:57:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:57:49,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:57:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:57:49,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:57:49,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132279875] [2020-11-07 01:57:49,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:57:49,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 01:57:49,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574260216] [2020-11-07 01:57:49,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 01:57:49,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:57:49,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 01:57:49,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 01:57:49,311 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 10 states. [2020-11-07 01:57:49,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:57:49,977 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2020-11-07 01:57:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 01:57:49,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2020-11-07 01:57:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:57:49,989 INFO L225 Difference]: With dead ends: 65 [2020-11-07 01:57:49,989 INFO L226 Difference]: Without dead ends: 43 [2020-11-07 01:57:49,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2020-11-07 01:57:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-07 01:57:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-11-07 01:57:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-07 01:57:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-11-07 01:57:50,050 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 28 [2020-11-07 01:57:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:57:50,051 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2020-11-07 01:57:50,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 01:57:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-11-07 01:57:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-07 01:57:50,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 01:57:50,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 01:57:50,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 01:57:50,054 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 01:57:50,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 01:57:50,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1072792171, now seen corresponding path program 1 times [2020-11-07 01:57:50,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 01:57:50,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258767887] [2020-11-07 01:57:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 01:57:51,181 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-11-07 01:57:51,197 INFO L120 Accelerator]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2020-11-07 01:57:51,200 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 01:57:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:57:51,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 01:57:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:57:51,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-07 01:57:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 01:57:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 01:57:51,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258767887] [2020-11-07 01:57:51,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 01:57:51,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 01:57:51,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328579388] [2020-11-07 01:57:51,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 01:57:51,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 01:57:51,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 01:57:51,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-11-07 01:57:51,605 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 13 states. [2020-11-07 01:57:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 01:57:52,361 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-11-07 01:57:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 01:57:52,362 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2020-11-07 01:57:52,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 01:57:52,363 INFO L225 Difference]: With dead ends: 41 [2020-11-07 01:57:52,363 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 01:57:52,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2020-11-07 01:57:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 01:57:52,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 01:57:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 01:57:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 01:57:52,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-11-07 01:57:52,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 01:57:52,367 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 01:57:52,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 01:57:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 01:57:52,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 01:57:52,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 01:57:52,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 01:57:53,065 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,065 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,065 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,066 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,066 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,066 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,066 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 01:57:53,066 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 01:57:53,067 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,067 INFO L269 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,067 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,067 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,067 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-11-07 01:57:53,068 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 01:57:53,068 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 01:57:53,068 INFO L262 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: false [2020-11-07 01:57:53,068 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 01:57:53,068 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 01:57:53,068 INFO L262 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: false [2020-11-07 01:57:53,069 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 20 29) the Hoare annotation is: true [2020-11-07 01:57:53,069 INFO L262 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2020-11-07 01:57:53,069 INFO L262 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (+ (* 2 main_~x~0) 2))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2020-11-07 01:57:53,069 INFO L262 CegarLoopResult]: At program point L27-1(lines 24 28) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2020-11-07 01:57:53,069 INFO L262 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse0))) [2020-11-07 01:57:53,070 INFO L262 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (let ((.cse0 (+ (* 2 |main_#t~post5|) 2)) (.cse1 (+ (* 2 main_~x~0) 2))) (and (<= main_~sn~0 .cse0) (<= .cse1 main_~sn~0) (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse1))) [2020-11-07 01:57:53,070 INFO L262 CegarLoopResult]: At program point mainEXIT(lines 20 29) the Hoare annotation is: false [2020-11-07 01:57:53,070 INFO L262 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (let ((.cse1 (+ (* 2 |main_#t~post5|) 2)) (.cse0 (* 2 main_~x~0))) (and (<= .cse0 main_~sn~0) (<= main_~sn~0 .cse1) (<= .cse1 main_~sn~0) (<= main_~sn~0 .cse0))) [2020-11-07 01:57:53,070 INFO L262 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (= main_~sn~0 0) [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (= main_~sn~0 0) [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L24-2(lines 20 29) the Hoare annotation is: false [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: (= main_~sn~0 0) [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: (= main_~sn~0 0) [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: (= main_~sn~0 0) [2020-11-07 01:57:53,071 INFO L262 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-07 01:57:53,071 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2020-11-07 01:57:53,072 INFO L262 CegarLoopResult]: At program point L14(lines 14 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 01:57:53,072 INFO L262 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-07 01:57:53,072 INFO L262 CegarLoopResult]: At program point L14-2(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 01:57:53,072 INFO L262 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 01:57:53,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:57:53 BoogieIcfgContainer [2020-11-07 01:57:53,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 01:57:53,097 INFO L168 Benchmark]: Toolchain (without parser) took 5662.07 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.9 MB in the beginning and 116.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 8.0 GB. [2020-11-07 01:57:53,098 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 01:57:53,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.95 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 118.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-11-07 01:57:53,101 INFO L168 Benchmark]: Boogie Preprocessor took 37.55 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 01:57:53,102 INFO L168 Benchmark]: RCFGBuilder took 389.15 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 102.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-11-07 01:57:53,103 INFO L168 Benchmark]: TraceAbstraction took 4950.66 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 102.3 MB in the beginning and 116.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 8.0 GB. [2020-11-07 01:57:53,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 151.0 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 266.95 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 118.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.55 ms. Allocated memory is still 151.0 MB. Free memory was 118.0 MB in the beginning and 116.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 389.15 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 102.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4950.66 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 102.3 MB in the beginning and 116.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 72.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 2 * x <= sn && sn <= 2 * x - ProcedureContractResult [Line: 12]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for main Derived contract for procedure main: 0 - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 61 SDslu, 190 SDs, 0 SdLazy, 244 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 57 PreInvPairs, 73 NumberOfFragments, 194 HoareAnnotationTreeSize, 57 FomulaSimplifications, 265 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 633 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...