/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_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:47,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:47,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:47,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:47,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:47,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:47,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:47,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:47,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:47,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:47,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:47,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:47,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:47,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:47,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:47,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:47,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:47,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:47,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:47,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:47,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:47,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:47,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:47,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:47,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:13:47,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:47,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:47,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:47,132 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 13:13:47,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:47,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:47,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:47,143 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:47,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:47,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:47,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:47,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:47,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:47,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:47,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:47,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:47,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:47,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:47,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:47,145 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:47,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:47,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:47,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:47,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:47,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:47,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:47,146 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:47,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:47,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:47,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:47,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:47,427 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:47,428 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2020-07-17 13:13:47,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69aa2a98/41febf24dd9b42b38d85a14b9849d4b9/FLAGbf16952c8 [2020-07-17 13:13:48,016 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:48,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2020-07-17 13:13:48,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69aa2a98/41febf24dd9b42b38d85a14b9849d4b9/FLAGbf16952c8 [2020-07-17 13:13:48,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a69aa2a98/41febf24dd9b42b38d85a14b9849d4b9 [2020-07-17 13:13:48,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:48,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:48,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:48,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:48,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:48,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbfba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48, skipping insertion in model container [2020-07-17 13:13:48,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:48,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:48,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:48,705 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:48,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:48,933 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:48,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48 WrapperNode [2020-07-17 13:13:48,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:48,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:48,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:48,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:48,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (1/1) ... [2020-07-17 13:13:48,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:48,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:48,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:48,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:48,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (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 13:13:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-07-17 13:13:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 13:13:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 13:13:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:49,525 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:49,525 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 13:13:49,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:49 BoogieIcfgContainer [2020-07-17 13:13:49,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:49,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:49,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:49,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:49,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:48" (1/3) ... [2020-07-17 13:13:49,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7173a14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:49, skipping insertion in model container [2020-07-17 13:13:49,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:48" (2/3) ... [2020-07-17 13:13:49,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7173a14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:49, skipping insertion in model container [2020-07-17 13:13:49,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:49" (3/3) ... [2020-07-17 13:13:49,544 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2020-07-17 13:13:49,555 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:49,567 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:49,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:49,603 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:49,603 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:49,603 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:49,603 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:49,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:49,604 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:49,604 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:49,604 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-07-17 13:13:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-17 13:13:49,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:49,633 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] [2020-07-17 13:13:49,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:49,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:49,639 INFO L82 PathProgramCache]: Analyzing trace with hash -911557548, now seen corresponding path program 1 times [2020-07-17 13:13:49,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:49,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859697340] [2020-07-17 13:13:49,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:49,895 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 13:13:49,931 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:49,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859697340] [2020-07-17 13:13:49,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:13:49,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:13:49,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929934226] [2020-07-17 13:13:49,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:13:49,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:13:49,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:13:49,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:13:49,960 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 6 states. [2020-07-17 13:13:50,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:13:50,304 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2020-07-17 13:13:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:13:50,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-17 13:13:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:13:50,343 INFO L225 Difference]: With dead ends: 180 [2020-07-17 13:13:50,344 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:13:50,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 13:13:50,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:13:50,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:13:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:13:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:13:50,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2020-07-17 13:13:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:13:50,388 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:13:50,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:13:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:13:50,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:13:50,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:50,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:13:50,876 INFO L271 CegarLoopResult]: At program point L27(lines 27 46) the Hoare annotation is: true [2020-07-17 13:13:50,877 INFO L271 CegarLoopResult]: At program point L19-1(lines 19 24) the Hoare annotation is: true [2020-07-17 13:13:50,877 INFO L264 CegarLoopResult]: At program point L19-2(lines 19 24) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,877 INFO L271 CegarLoopResult]: At program point L19-3(lines 19 24) the Hoare annotation is: true [2020-07-17 13:13:50,877 INFO L271 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: true [2020-07-17 13:13:50,878 INFO L271 CegarLoopResult]: At program point floor_doubleFINAL(lines 16 77) the Hoare annotation is: true [2020-07-17 13:13:50,878 INFO L271 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: true [2020-07-17 13:13:50,878 INFO L271 CegarLoopResult]: At program point L28(lines 28 35) the Hoare annotation is: true [2020-07-17 13:13:50,878 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-17 13:13:50,880 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-17 13:13:50,880 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-17 13:13:50,880 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-07-17 13:13:50,880 INFO L264 CegarLoopResult]: At program point floor_doubleENTRY(lines 16 77) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,881 INFO L271 CegarLoopResult]: At program point L70(lines 70 75) the Hoare annotation is: true [2020-07-17 13:13:50,881 INFO L271 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: true [2020-07-17 13:13:50,881 INFO L271 CegarLoopResult]: At program point L70-1(lines 16 77) the Hoare annotation is: true [2020-07-17 13:13:50,881 INFO L271 CegarLoopResult]: At program point L70-2(lines 70 75) the Hoare annotation is: true [2020-07-17 13:13:50,881 INFO L271 CegarLoopResult]: At program point L62(lines 62 63) the Hoare annotation is: true [2020-07-17 13:13:50,883 INFO L271 CegarLoopResult]: At program point L29(lines 29 34) the Hoare annotation is: true [2020-07-17 13:13:50,883 INFO L271 CegarLoopResult]: At program point L62-2(lines 62 63) the Hoare annotation is: true [2020-07-17 13:13:50,883 INFO L271 CegarLoopResult]: At program point L54(lines 54 55) the Hoare annotation is: true [2020-07-17 13:13:50,883 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-17 13:13:50,883 INFO L271 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true [2020-07-17 13:13:50,884 INFO L271 CegarLoopResult]: At program point L38(lines 38 39) the Hoare annotation is: true [2020-07-17 13:13:50,884 INFO L271 CegarLoopResult]: At program point L71-1(line 71) the Hoare annotation is: true [2020-07-17 13:13:50,884 INFO L271 CegarLoopResult]: At program point L71-2(line 71) the Hoare annotation is: true [2020-07-17 13:13:50,885 INFO L271 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: true [2020-07-17 13:13:50,885 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-07-17 13:13:50,885 INFO L271 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: true [2020-07-17 13:13:50,885 INFO L271 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: true [2020-07-17 13:13:50,885 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-17 13:13:50,886 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-17 13:13:50,886 INFO L271 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: true [2020-07-17 13:13:50,886 INFO L271 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: true [2020-07-17 13:13:50,886 INFO L271 CegarLoopResult]: At program point L47(lines 47 69) the Hoare annotation is: true [2020-07-17 13:13:50,887 INFO L271 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: true [2020-07-17 13:13:50,887 INFO L271 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: true [2020-07-17 13:13:50,887 INFO L271 CegarLoopResult]: At program point L31(lines 31 34) the Hoare annotation is: true [2020-07-17 13:13:50,887 INFO L271 CegarLoopResult]: At program point L56(lines 56 68) the Hoare annotation is: true [2020-07-17 13:13:50,887 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-17 13:13:50,888 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-17 13:13:50,888 INFO L271 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: true [2020-07-17 13:13:50,889 INFO L271 CegarLoopResult]: At program point L23-3(line 23) the Hoare annotation is: true [2020-07-17 13:13:50,889 INFO L271 CegarLoopResult]: At program point L23-4(line 23) the Hoare annotation is: true [2020-07-17 13:13:50,890 INFO L271 CegarLoopResult]: At program point L48(lines 48 51) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L40(lines 40 45) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L57(lines 57 66) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L57-1(lines 57 66) the Hoare annotation is: true [2020-07-17 13:13:50,891 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point floor_doubleEXIT(lines 16 77) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point L41(lines 41 42) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point L74-1(line 74) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point L74-2(line 74) the Hoare annotation is: true [2020-07-17 13:13:50,892 INFO L271 CegarLoopResult]: At program point L41-2(lines 41 42) the Hoare annotation is: true [2020-07-17 13:13:50,893 INFO L271 CegarLoopResult]: At program point L74-3(line 74) the Hoare annotation is: true [2020-07-17 13:13:50,893 INFO L271 CegarLoopResult]: At program point L74-4(line 74) the Hoare annotation is: true [2020-07-17 13:13:50,894 INFO L271 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-07-17 13:13:50,897 INFO L271 CegarLoopResult]: At program point L58(lines 58 65) the Hoare annotation is: true [2020-07-17 13:13:50,897 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,897 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,897 INFO L264 CegarLoopResult]: At program point L17-2(line 17) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,904 INFO L271 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: true [2020-07-17 13:13:50,905 INFO L271 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: true [2020-07-17 13:13:50,905 INFO L271 CegarLoopResult]: At program point L26(lines 26 69) the Hoare annotation is: true [2020-07-17 13:13:50,905 INFO L271 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-07-17 13:13:50,906 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,906 INFO L264 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,906 INFO L271 CegarLoopResult]: At program point isnan_doubleENTRY(line 80) the Hoare annotation is: true [2020-07-17 13:13:50,907 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-07-17 13:13:50,907 INFO L271 CegarLoopResult]: At program point isnan_doubleEXIT(line 80) the Hoare annotation is: true [2020-07-17 13:13:50,907 INFO L271 CegarLoopResult]: At program point isnan_doubleFINAL(line 80) the Hoare annotation is: true [2020-07-17 13:13:50,907 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 13:13:50,907 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,907 INFO L271 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: true [2020-07-17 13:13:50,908 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,908 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 13:13:50,908 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,908 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,908 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,908 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,909 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:50,909 INFO L271 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: true [2020-07-17 13:13:50,909 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) the Hoare annotation is: false [2020-07-17 13:13:50,909 INFO L264 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: false [2020-07-17 13:13:50,909 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 82 98) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,910 INFO L271 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: true [2020-07-17 13:13:50,910 INFO L271 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: true [2020-07-17 13:13:50,910 INFO L271 CegarLoopResult]: At program point L92-1(line 92) the Hoare annotation is: true [2020-07-17 13:13:50,910 INFO L264 CegarLoopResult]: At program point L92-2(lines 92 95) the Hoare annotation is: (and (<= |main_#t~ret7| 2147483647) (<= 0 (+ |main_#t~ret7| 2147483648))) [2020-07-17 13:13:50,911 INFO L264 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:50,912 INFO L264 CegarLoopResult]: At program point L92-3(line 92) the Hoare annotation is: (= 0 |main_#t~ret7|) [2020-07-17 13:13:50,912 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 82 98) the Hoare annotation is: true [2020-07-17 13:13:50,912 INFO L271 CegarLoopResult]: At program point L89-1(line 89) the Hoare annotation is: true [2020-07-17 13:13:50,913 INFO L264 CegarLoopResult]: At program point L92-4(line 92) the Hoare annotation is: (and (<= |main_#t~ret7| 2147483647) (<= 0 (+ |main_#t~ret7| 2147483648))) [2020-07-17 13:13:50,913 INFO L271 CegarLoopResult]: At program point L89-2(line 89) the Hoare annotation is: true [2020-07-17 13:13:50,913 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 82 98) the Hoare annotation is: true [2020-07-17 13:13:50,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:50,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:50,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:50,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:50,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:50,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:50,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:50,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:50,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:50,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:50,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:50,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:50,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:50 BoogieIcfgContainer [2020-07-17 13:13:50,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:50,954 INFO L168 Benchmark]: Toolchain (without parser) took 2574.67 ms. Allocated memory was 137.4 MB in the beginning and 234.9 MB in the end (delta: 97.5 MB). Free memory was 101.9 MB in the beginning and 144.1 MB in the end (delta: -42.2 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,955 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.90 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 182.6 MB in the end (delta: -81.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,960 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 179.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,961 INFO L168 Benchmark]: RCFGBuilder took 549.73 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 153.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,962 INFO L168 Benchmark]: TraceAbstraction took 1417.02 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 153.1 MB in the beginning and 144.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:50,973 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 553.90 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 182.6 MB in the end (delta: -81.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.12 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 179.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 549.73 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 153.8 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1417.02 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 153.1 MB in the beginning and 144.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 72.6 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: 93]: 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: 19]: Loop Invariant [2020-07-17 13:13:51,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:51,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:51,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:51,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:51,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:51,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:51,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:51,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:51,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:51,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:51,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:51,005 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 floor_double Derived contract for procedure floor_double: 1 - ProcedureContractResult [Line: 80]: Procedure Contract for isnan_double Derived contract for procedure isnan_double: 1 - ProcedureContractResult [Line: 82]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 107 SDtfs, 23 SDslu, 172 SDs, 0 SdLazy, 135 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred 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, 99 LocationsWithAnnotation, 103 PreInvPairs, 180 NumberOfFragments, 239 HoareAnnotationTreeSize, 103 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 99 FomulaSimplificationsInter, 184 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...