/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:55,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:55,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:56,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:56,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:56,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:56,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:56,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:56,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:56,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:56,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:56,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:56,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:56,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:56,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:56,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:56,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:56,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:56,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:56,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:56,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:56,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:56,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:56,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:56,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:13:56,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:56,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:56,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:56,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:13:56,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:56,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:56,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:56,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:56,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:56,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:56,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:56,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:56,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:56,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:56,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:56,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:56,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:56,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:56,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:56,086 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:56,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:56,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:56,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:56,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:56,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:56,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:56,088 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:56,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:56,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:56,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:56,388 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:56,388 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:56,389 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-07-17 13:13:56,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2acbc77b0/6e4ca9b6b500421792858f7dd7cf0f25/FLAGd432690e7 [2020-07-17 13:13:56,878 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:56,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2020-07-17 13:13:56,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2acbc77b0/6e4ca9b6b500421792858f7dd7cf0f25/FLAGd432690e7 [2020-07-17 13:13:57,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2acbc77b0/6e4ca9b6b500421792858f7dd7cf0f25 [2020-07-17 13:13:57,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:57,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:57,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:57,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:57,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:57,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c855e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57, skipping insertion in model container [2020-07-17 13:13:57,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:57,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:57,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:57,530 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:57,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:57,582 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:57,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57 WrapperNode [2020-07-17 13:13:57,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:57,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:57,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:57,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:57,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (1/1) ... [2020-07-17 13:13:57,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:57,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:57,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:57,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:57,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (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 [2020-07-17 13:13:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 13:13:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-17 13:13:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2020-07-17 13:13:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 13:13:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 13:13:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-17 13:13:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2020-07-17 13:13:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:58,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:58,192 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-17 13:13:58,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:58 BoogieIcfgContainer [2020-07-17 13:13:58,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:58,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:58,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:58,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:58,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:57" (1/3) ... [2020-07-17 13:13:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d8e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:58, skipping insertion in model container [2020-07-17 13:13:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:57" (2/3) ... [2020-07-17 13:13:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d8e9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:58, skipping insertion in model container [2020-07-17 13:13:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:58" (3/3) ... [2020-07-17 13:13:58,203 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1250.c [2020-07-17 13:13:58,211 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:58,217 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:58,231 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:58,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:58,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:58,249 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:58,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:58,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:58,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:58,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:58,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-07-17 13:13:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 13:13:58,276 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:58,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:13:58,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:58,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:58,282 INFO L82 PathProgramCache]: Analyzing trace with hash -262911209, now seen corresponding path program 1 times [2020-07-17 13:13:58,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:58,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95705956] [2020-07-17 13:13:58,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:13:58,607 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:58,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95705956] [2020-07-17 13:13:58,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:13:58,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:13:58,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423363071] [2020-07-17 13:13:58,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:13:58,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:13:58,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:13:58,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:13:58,636 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 6 states. [2020-07-17 13:13:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:13:58,936 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2020-07-17 13:13:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:13:58,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-17 13:13:58,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:13:58,946 INFO L225 Difference]: With dead ends: 143 [2020-07-17 13:13:58,946 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:13:58,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:13:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:13:58,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:13:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:13:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:13:58,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-07-17 13:13:58,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:13:58,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:13:58,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:13:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:13:58,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:13:58,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:58,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:13:59,444 INFO L271 CegarLoopResult]: At program point isnan_doubleENTRY(line 16) the Hoare annotation is: true [2020-07-17 13:13:59,445 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-17 13:13:59,445 INFO L271 CegarLoopResult]: At program point isnan_doubleEXIT(line 16) the Hoare annotation is: true [2020-07-17 13:13:59,445 INFO L271 CegarLoopResult]: At program point isnan_doubleFINAL(line 16) the Hoare annotation is: true [2020-07-17 13:13:59,446 INFO L271 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-07-17 13:13:59,446 INFO L271 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: true [2020-07-17 13:13:59,446 INFO L271 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-07-17 13:13:59,446 INFO L271 CegarLoopResult]: At program point L33-2(line 33) the Hoare annotation is: true [2020-07-17 13:13:59,447 INFO L271 CegarLoopResult]: At program point L33-3(line 33) the Hoare annotation is: true [2020-07-17 13:13:59,447 INFO L271 CegarLoopResult]: At program point L33-4(line 33) the Hoare annotation is: true [2020-07-17 13:13:59,447 INFO L271 CegarLoopResult]: At program point L29-1(lines 29 34) the Hoare annotation is: true [2020-07-17 13:13:59,447 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,448 INFO L264 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,448 INFO L271 CegarLoopResult]: At program point __fpclassify_doubleFINAL(lines 26 51) the Hoare annotation is: true [2020-07-17 13:13:59,448 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,448 INFO L271 CegarLoopResult]: At program point L29-3(lines 26 51) the Hoare annotation is: true [2020-07-17 13:13:59,448 INFO L271 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-07-17 13:13:59,449 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-17 13:13:59,449 INFO L271 CegarLoopResult]: At program point L46(lines 46 50) the Hoare annotation is: true [2020-07-17 13:13:59,449 INFO L264 CegarLoopResult]: At program point __fpclassify_doubleENTRY(lines 26 51) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,449 INFO L271 CegarLoopResult]: At program point L42(lines 42 50) the Hoare annotation is: true [2020-07-17 13:13:59,450 INFO L271 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: true [2020-07-17 13:13:59,450 INFO L271 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-07-17 13:13:59,450 INFO L271 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: true [2020-07-17 13:13:59,450 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-07-17 13:13:59,451 INFO L271 CegarLoopResult]: At program point L32-2(line 32) the Hoare annotation is: true [2020-07-17 13:13:59,451 INFO L271 CegarLoopResult]: At program point L32-3(line 32) the Hoare annotation is: true [2020-07-17 13:13:59,451 INFO L271 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L271 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L271 CegarLoopResult]: At program point __fpclassify_doubleEXIT(lines 26 51) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L271 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L271 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L271 CegarLoopResult]: At program point L39(lines 39 50) the Hoare annotation is: true [2020-07-17 13:13:59,452 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 13:13:59,453 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,453 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 13:13:59,453 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,454 INFO L271 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: true [2020-07-17 13:13:59,454 INFO L271 CegarLoopResult]: At program point L60-1(line 60) the Hoare annotation is: true [2020-07-17 13:13:59,455 INFO L271 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-07-17 13:13:59,456 INFO L271 CegarLoopResult]: At program point L60-3(line 60) the Hoare annotation is: true [2020-07-17 13:13:59,456 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-07-17 13:13:59,456 INFO L271 CegarLoopResult]: At program point L60-4(line 60) the Hoare annotation is: true [2020-07-17 13:13:59,456 INFO L271 CegarLoopResult]: At program point L60-5(line 60) the Hoare annotation is: true [2020-07-17 13:13:59,456 INFO L271 CegarLoopResult]: At program point fmax_doubleEXIT(lines 53 61) the Hoare annotation is: true [2020-07-17 13:13:59,457 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-17 13:13:59,457 INFO L264 CegarLoopResult]: At program point fmax_doubleENTRY(lines 53 61) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,458 INFO L271 CegarLoopResult]: At program point L57-1(line 57) the Hoare annotation is: true [2020-07-17 13:13:59,458 INFO L264 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,458 INFO L271 CegarLoopResult]: At program point L57-2(lines 57 58) the Hoare annotation is: true [2020-07-17 13:13:59,458 INFO L271 CegarLoopResult]: At program point L55-1(line 55) the Hoare annotation is: true [2020-07-17 13:13:59,458 INFO L271 CegarLoopResult]: At program point L57-3(line 57) the Hoare annotation is: true [2020-07-17 13:13:59,459 INFO L264 CegarLoopResult]: At program point L53(lines 53 61) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,459 INFO L271 CegarLoopResult]: At program point L55-2(lines 55 56) the Hoare annotation is: true [2020-07-17 13:13:59,460 INFO L271 CegarLoopResult]: At program point L57-4(line 57) the Hoare annotation is: true [2020-07-17 13:13:59,463 INFO L271 CegarLoopResult]: At program point L55-3(line 55) the Hoare annotation is: true [2020-07-17 13:13:59,464 INFO L271 CegarLoopResult]: At program point L55-4(line 55) the Hoare annotation is: true [2020-07-17 13:13:59,464 INFO L271 CegarLoopResult]: At program point fmax_doubleFINAL(lines 53 61) the Hoare annotation is: true [2020-07-17 13:13:59,464 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,470 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,471 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,471 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:59,471 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) the Hoare annotation is: false [2020-07-17 13:13:59,471 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 63 76) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,471 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 63 76) the Hoare annotation is: true [2020-07-17 13:13:59,472 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 63 76) the Hoare annotation is: true [2020-07-17 13:13:59,472 INFO L271 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: true [2020-07-17 13:13:59,472 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: false [2020-07-17 13:13:59,472 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-07-17 13:13:59,474 INFO L271 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true [2020-07-17 13:13:59,474 INFO L271 CegarLoopResult]: At program point L71-1(line 71) the Hoare annotation is: true [2020-07-17 13:13:59,475 INFO L264 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,475 INFO L264 CegarLoopResult]: At program point L71-2(lines 71 74) the Hoare annotation is: (and (<= |main_#t~ret8| 2147483647) (<= 0 (+ |main_#t~ret8| 2147483648))) [2020-07-17 13:13:59,475 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:59,475 INFO L271 CegarLoopResult]: At program point L69-1(line 69) the Hoare annotation is: true [2020-07-17 13:13:59,475 INFO L264 CegarLoopResult]: At program point L71-3(line 71) the Hoare annotation is: (= 0 |main_#t~ret8|) [2020-07-17 13:13:59,476 INFO L271 CegarLoopResult]: At program point L69-2(line 69) the Hoare annotation is: true [2020-07-17 13:13:59,476 INFO L264 CegarLoopResult]: At program point L71-4(line 71) the Hoare annotation is: (and (<= |main_#t~ret8| 2147483647) (<= 0 (+ |main_#t~ret8| 2147483648))) [2020-07-17 13:13:59,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:59 BoogieIcfgContainer [2020-07-17 13:13:59,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:59,512 INFO L168 Benchmark]: Toolchain (without parser) took 2209.86 ms. Allocated memory was 141.6 MB in the beginning and 232.3 MB in the end (delta: 90.7 MB). Free memory was 103.6 MB in the beginning and 152.5 MB in the end (delta: -48.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,515 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.06 ms. Allocated memory is still 141.6 MB. Free memory was 103.2 MB in the beginning and 92.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,518 INFO L168 Benchmark]: Boogie Preprocessor took 193.14 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 92.2 MB in the beginning and 184.5 MB in the end (delta: -92.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,519 INFO L168 Benchmark]: RCFGBuilder took 419.67 ms. Allocated memory is still 207.1 MB. Free memory was 184.5 MB in the beginning and 162.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,520 INFO L168 Benchmark]: TraceAbstraction took 1311.26 ms. Allocated memory was 207.1 MB in the beginning and 232.3 MB in the end (delta: 25.2 MB). Free memory was 162.1 MB in the beginning and 152.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:59,529 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 141.6 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.06 ms. Allocated memory is still 141.6 MB. Free memory was 103.2 MB in the beginning and 92.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 193.14 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 92.2 MB in the beginning and 184.5 MB in the end (delta: -92.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 419.67 ms. Allocated memory is still 207.1 MB. Free memory was 184.5 MB in the beginning and 162.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1311.26 ms. Allocated memory was 207.1 MB in the beginning and 232.3 MB in the end (delta: 25.2 MB). Free memory was 162.1 MB in the beginning and 152.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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: 29]: Loop Invariant [2020-07-17 13:13:59,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:59,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:59,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:59,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((unknown-#memory_real-unknown == \old(unknown-#memory_real-unknown) && \valid == \old(\valid)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(unknown-#length-unknown) == unknown-#length-unknown - ProcedureContractResult [Line: 16]: Procedure Contract for isnan_double Derived contract for procedure isnan_double: 1 - ProcedureContractResult [Line: 26]: Procedure Contract for __fpclassify_double Derived contract for procedure __fpclassify_double: 1 - ProcedureContractResult [Line: 53]: Procedure Contract for fmax_double Derived contract for procedure fmax_double: 1 - ProcedureContractResult [Line: 63]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 23 SDslu, 124 SDs, 0 SdLazy, 98 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 79 LocationsWithAnnotation, 141 PreInvPairs, 224 NumberOfFragments, 228 HoareAnnotationTreeSize, 141 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 79 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.3s 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...