/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_1071.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:49,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:49,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:49,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:49,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:49,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:49,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:49,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:49,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:49,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:49,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:49,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:49,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:49,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:49,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:49,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:49,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:49,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:49,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:49,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:49,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:49,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:49,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:49,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:49,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:13:49,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:49,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:49,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:49,078 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 13:13:49,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:49,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:49,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:49,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:49,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:49,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:49,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:49,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:49,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:49,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:49,093 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:49,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:49,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:49,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:49,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:49,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:49,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:49,094 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:49,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:49,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:49,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:49,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:49,385 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:49,386 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2020-07-17 13:13:49,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d19ccd836/c563845a386843faa1b4211139830e3b/FLAGfa5cdf39e [2020-07-17 13:13:49,962 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:49,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2020-07-17 13:13:49,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d19ccd836/c563845a386843faa1b4211139830e3b/FLAGfa5cdf39e [2020-07-17 13:13:50,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d19ccd836/c563845a386843faa1b4211139830e3b [2020-07-17 13:13:50,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:50,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:50,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:50,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:50,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:50,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcaffc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50, skipping insertion in model container [2020-07-17 13:13:50,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:50,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:50,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:50,535 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:50,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:50,585 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:50,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50 WrapperNode [2020-07-17 13:13:50,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:50,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:50,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:50,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:50,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (1/1) ... [2020-07-17 13:13:50,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:50,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:50,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:50,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:50,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (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 13:13:50,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 13:13:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2020-07-17 13:13:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 13:13:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2020-07-17 13:13:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:51,240 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:51,240 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-17 13:13:51,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:51 BoogieIcfgContainer [2020-07-17 13:13:51,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:51,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:51,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:51,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:51,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:50" (1/3) ... [2020-07-17 13:13:51,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f0b38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:51, skipping insertion in model container [2020-07-17 13:13:51,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:50" (2/3) ... [2020-07-17 13:13:51,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f0b38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:51, skipping insertion in model container [2020-07-17 13:13:51,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:51" (3/3) ... [2020-07-17 13:13:51,256 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071.c [2020-07-17 13:13:51,266 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:51,274 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:51,287 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:51,306 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:51,307 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:51,307 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:51,307 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:51,307 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:51,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:51,308 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:51,308 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2020-07-17 13:13:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-17 13:13:51,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:51,338 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] [2020-07-17 13:13:51,338 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:51,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:51,343 INFO L82 PathProgramCache]: Analyzing trace with hash 309483918, now seen corresponding path program 1 times [2020-07-17 13:13:51,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:51,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673174461] [2020-07-17 13:13:51,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:13:51,594 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 13:13:51,629 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:51,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673174461] [2020-07-17 13:13:51,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:13:51,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:13:51,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225955710] [2020-07-17 13:13:51,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:13:51,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:13:51,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:13:51,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:13:51,660 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 6 states. [2020-07-17 13:13:51,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:13:51,966 INFO L93 Difference]: Finished difference Result 172 states and 197 transitions. [2020-07-17 13:13:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:13:51,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-17 13:13:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:13:51,975 INFO L225 Difference]: With dead ends: 172 [2020-07-17 13:13:51,975 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:13:51,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:13:51,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:13:52,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:13:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:13:52,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:13:52,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-07-17 13:13:52,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:13:52,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:13:52,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:13:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:13:52,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:13:52,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:52,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:13:52,404 INFO L271 CegarLoopResult]: At program point isnan_doubleENTRY(line 15) the Hoare annotation is: true [2020-07-17 13:13:52,405 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-17 13:13:52,405 INFO L271 CegarLoopResult]: At program point isnan_doubleEXIT(line 15) the Hoare annotation is: true [2020-07-17 13:13:52,405 INFO L271 CegarLoopResult]: At program point isnan_doubleFINAL(line 15) the Hoare annotation is: true [2020-07-17 13:13:52,405 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 13:13:52,406 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,406 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,406 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 13:13:52,406 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,406 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,407 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,407 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,407 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:13:52,407 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 74) the Hoare annotation is: false [2020-07-17 13:13:52,407 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 62 79) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,408 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 62 79) the Hoare annotation is: true [2020-07-17 13:13:52,408 INFO L271 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true [2020-07-17 13:13:52,408 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 62 79) the Hoare annotation is: true [2020-07-17 13:13:52,408 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: false [2020-07-17 13:13:52,408 INFO L271 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: true [2020-07-17 13:13:52,408 INFO L271 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: true [2020-07-17 13:13:52,409 INFO L271 CegarLoopResult]: At program point L73-1(line 73) the Hoare annotation is: true [2020-07-17 13:13:52,409 INFO L264 CegarLoopResult]: At program point L73-2(lines 73 76) the Hoare annotation is: (and (<= 0 (+ |main_#t~ret11| 2147483648)) (<= |main_#t~ret11| 2147483647)) [2020-07-17 13:13:52,409 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,409 INFO L264 CegarLoopResult]: At program point L73-3(line 73) the Hoare annotation is: (= |main_#t~ret11| 0) [2020-07-17 13:13:52,409 INFO L271 CegarLoopResult]: At program point L70-1(line 70) the Hoare annotation is: true [2020-07-17 13:13:52,410 INFO L264 CegarLoopResult]: At program point L73-4(line 73) the Hoare annotation is: (and (<= 0 (+ |main_#t~ret11| 2147483648)) (<= |main_#t~ret11| 2147483647)) [2020-07-17 13:13:52,410 INFO L271 CegarLoopResult]: At program point L70-2(line 70) the Hoare annotation is: true [2020-07-17 13:13:52,410 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,410 INFO L271 CegarLoopResult]: At program point L52-1(lines 52 57) the Hoare annotation is: true [2020-07-17 13:13:52,410 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 57) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L52-3(lines 30 58) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L44-1(line 44) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L44-2(line 44) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L44-3(line 44) the Hoare annotation is: true [2020-07-17 13:13:52,411 INFO L271 CegarLoopResult]: At program point L44-4(line 44) the Hoare annotation is: true [2020-07-17 13:13:52,412 INFO L271 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: true [2020-07-17 13:13:52,412 INFO L271 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: true [2020-07-17 13:13:52,412 INFO L271 CegarLoopResult]: At program point L36-2(line 36) the Hoare annotation is: true [2020-07-17 13:13:52,412 INFO L271 CegarLoopResult]: At program point L36-3(line 36) the Hoare annotation is: true [2020-07-17 13:13:52,412 INFO L271 CegarLoopResult]: At program point L36-4(line 36) the Hoare annotation is: true [2020-07-17 13:13:52,413 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-17 13:13:52,413 INFO L264 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,413 INFO L271 CegarLoopResult]: At program point L53-1(line 53) the Hoare annotation is: true [2020-07-17 13:13:52,413 INFO L271 CegarLoopResult]: At program point L53-2(line 53) the Hoare annotation is: true [2020-07-17 13:13:52,413 INFO L271 CegarLoopResult]: At program point trunc_doubleEXIT(lines 17 60) the Hoare annotation is: true [2020-07-17 13:13:52,413 INFO L271 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-07-17 13:13:52,414 INFO L271 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: true [2020-07-17 13:13:52,414 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,414 INFO L271 CegarLoopResult]: At program point trunc_doubleFINAL(lines 17 60) the Hoare annotation is: true [2020-07-17 13:13:52,414 INFO L271 CegarLoopResult]: At program point L30(lines 30 58) the Hoare annotation is: true [2020-07-17 13:13:52,414 INFO L271 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: true [2020-07-17 13:13:52,415 INFO L271 CegarLoopResult]: At program point L22-1(lines 22 27) the Hoare annotation is: true [2020-07-17 13:13:52,415 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 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 13:13:52,415 INFO L271 CegarLoopResult]: At program point L22-3(lines 22 27) the Hoare annotation is: true [2020-07-17 13:13:52,415 INFO L271 CegarLoopResult]: At program point L47(lines 47 58) the Hoare annotation is: true [2020-07-17 13:13:52,416 INFO L271 CegarLoopResult]: At program point L39-1(lines 39 45) the Hoare annotation is: true [2020-07-17 13:13:52,416 INFO L271 CegarLoopResult]: At program point L39-2(lines 39 45) the Hoare annotation is: true [2020-07-17 13:13:52,416 INFO L271 CegarLoopResult]: At program point L31(lines 31 46) the Hoare annotation is: true [2020-07-17 13:13:52,420 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-07-17 13:13:52,420 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-17 13:13:52,420 INFO L271 CegarLoopResult]: At program point L56-1(line 56) the Hoare annotation is: true [2020-07-17 13:13:52,420 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-17 13:13:52,428 INFO L271 CegarLoopResult]: At program point L56-2(line 56) the Hoare annotation is: true [2020-07-17 13:13:52,428 INFO L271 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: true [2020-07-17 13:13:52,428 INFO L271 CegarLoopResult]: At program point L56-3(line 56) the Hoare annotation is: true [2020-07-17 13:13:52,428 INFO L271 CegarLoopResult]: At program point L56-4(line 56) the Hoare annotation is: true [2020-07-17 13:13:52,429 INFO L271 CegarLoopResult]: At program point L48(lines 48 50) the Hoare annotation is: true [2020-07-17 13:13:52,429 INFO L271 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: true [2020-07-17 13:13:52,429 INFO L271 CegarLoopResult]: At program point L40-1(line 40) the Hoare annotation is: true [2020-07-17 13:13:52,429 INFO L271 CegarLoopResult]: At program point L40-2(line 40) the Hoare annotation is: true [2020-07-17 13:13:52,430 INFO L271 CegarLoopResult]: At program point L32-1(lines 32 37) the Hoare annotation is: true [2020-07-17 13:13:52,430 INFO L271 CegarLoopResult]: At program point L32-2(lines 32 37) the Hoare annotation is: true [2020-07-17 13:13:52,430 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-17 13:13:52,430 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-17 13:13:52,431 INFO L264 CegarLoopResult]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:13:52,431 INFO L271 CegarLoopResult]: At program point L41(lines 41 42) the Hoare annotation is: true [2020-07-17 13:13:52,431 INFO L271 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-07-17 13:13:52,432 INFO L271 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: true [2020-07-17 13:13:52,432 INFO L271 CegarLoopResult]: At program point L33-2(line 33) the Hoare annotation is: true [2020-07-17 13:13:52,432 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-17 13:13:52,432 INFO L271 CegarLoopResult]: At program point L25-1(line 25) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: true [2020-07-17 13:13:52,433 INFO L271 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: true [2020-07-17 13:13:52,434 INFO L271 CegarLoopResult]: At program point L26-3(line 26) the Hoare annotation is: true [2020-07-17 13:13:52,434 INFO L271 CegarLoopResult]: At program point L26-4(line 26) the Hoare annotation is: true [2020-07-17 13:13:52,434 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 13:13:52,434 INFO L271 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: true [2020-07-17 13:13:52,434 INFO L271 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-07-17 13:13:52,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:52 BoogieIcfgContainer [2020-07-17 13:13:52,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:52,472 INFO L168 Benchmark]: Toolchain (without parser) took 2147.97 ms. Allocated memory was 143.1 MB in the beginning and 229.6 MB in the end (delta: 86.5 MB). Free memory was 101.1 MB in the beginning and 153.5 MB in the end (delta: -52.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:52,474 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 13:13:52,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.90 ms. Allocated memory is still 143.1 MB. Free memory was 100.7 MB in the beginning and 89.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:52,477 INFO L168 Benchmark]: Boogie Preprocessor took 149.41 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 89.6 MB in the beginning and 177.6 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:52,479 INFO L168 Benchmark]: RCFGBuilder took 511.92 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 150.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:52,481 INFO L168 Benchmark]: TraceAbstraction took 1219.93 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 150.5 MB in the beginning and 153.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 74.9 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:52,491 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.90 ms. Allocated memory is still 143.1 MB. Free memory was 100.7 MB in the beginning and 89.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.41 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 89.6 MB in the beginning and 177.6 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 511.92 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 150.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1219.93 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 150.5 MB in the beginning and 153.5 MB in the end (delta: -3.0 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: 74]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:13:52,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:13:52,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:13:52,519 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: 15]: Procedure Contract for isnan_double Derived contract for procedure isnan_double: 1 - ProcedureContractResult [Line: 62]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for trunc_double Derived contract for procedure trunc_double: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 21 SDslu, 129 SDs, 0 SdLazy, 132 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 94 LocationsWithAnnotation, 98 PreInvPairs, 172 NumberOfFragments, 219 HoareAnnotationTreeSize, 98 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 94 FomulaSimplificationsInter, 139 FormulaSimplificationTreeSizeReductionInter, 0.2s 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...