/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/float_req_bl_0740.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:14:00,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:14:00,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:14:00,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:14:00,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:14:00,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:14:00,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:14:00,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:14:00,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:14:00,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:14:00,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:14:00,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:14:00,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:14:00,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:14:00,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:14:00,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:14:00,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:14:00,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:14:00,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:14:00,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:14:00,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:14:00,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:14:00,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:14:00,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:14:00,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:14:00,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:14:00,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:14:00,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:14:00,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:14:00,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-17 13:14:00,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:14:00,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:14:00,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:14:00,779 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 13:14:00,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:14:00,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:14:00,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:14:00,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:14:00,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:14:00,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:14:00,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:14:00,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:14:00,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:14:00,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:14:00,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:14:00,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:14:00,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:14:00,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:14:00,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:14:00,793 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:14:00,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:14:00,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:14:00,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:14:00,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:14:00,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:14:00,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:14:00,794 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:14:01,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:14:01,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:14:01,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:14:01,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:14:01,129 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:14:01,130 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2020-07-17 13:14:01,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ef3e09/10158052f43846a3ab722b6e0c9966ba/FLAG940cb5bad [2020-07-17 13:14:01,628 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:14:01,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2020-07-17 13:14:01,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ef3e09/10158052f43846a3ab722b6e0c9966ba/FLAG940cb5bad [2020-07-17 13:14:02,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ef3e09/10158052f43846a3ab722b6e0c9966ba [2020-07-17 13:14:02,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:14:02,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:14:02,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:02,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:14:02,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:14:02,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42013dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02, skipping insertion in model container [2020-07-17 13:14:02,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:14:02,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:14:02,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:02,292 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:14:02,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:14:02,433 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:14:02,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02 WrapperNode [2020-07-17 13:14:02,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:14:02,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:14:02,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:14:02,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:14:02,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (1/1) ... [2020-07-17 13:14:02,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:14:02,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:14:02,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:14:02,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:14:02,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (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 13:14:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:14:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:14:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-17 13:14:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-17 13:14:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:14:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:14:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-17 13:14:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-17 13:14:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-17 13:14:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:14:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:14:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:14:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:14:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:14:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:14:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:14:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:14:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:14:02,954 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:14:02,955 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-17 13:14:02,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:02 BoogieIcfgContainer [2020-07-17 13:14:02,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:14:02,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:14:02,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:14:02,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:14:02,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:14:02" (1/3) ... [2020-07-17 13:14:02,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280a2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:02, skipping insertion in model container [2020-07-17 13:14:02,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:14:02" (2/3) ... [2020-07-17 13:14:02,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280a2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:14:02, skipping insertion in model container [2020-07-17 13:14:02,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:14:02" (3/3) ... [2020-07-17 13:14:02,969 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2020-07-17 13:14:02,980 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:14:02,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:14:03,000 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:14:03,017 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:14:03,018 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:14:03,018 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:14:03,018 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:14:03,018 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:14:03,018 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:14:03,018 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:14:03,019 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:14:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-07-17 13:14:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 13:14:03,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:14:03,049 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 13:14:03,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:14:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:14:03,055 INFO L82 PathProgramCache]: Analyzing trace with hash -2082497467, now seen corresponding path program 1 times [2020-07-17 13:14:03,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:14:03,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507310141] [2020-07-17 13:14:03,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:14:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:03,340 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 13:14:03,394 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:14:03,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507310141] [2020-07-17 13:14:03,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:14:03,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:14:03,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779126546] [2020-07-17 13:14:03,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:14:03,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:14:03,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:14:03,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:14:03,425 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 6 states. [2020-07-17 13:14:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:14:03,779 INFO L93 Difference]: Finished difference Result 187 states and 222 transitions. [2020-07-17 13:14:03,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:14:03,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-17 13:14:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:14:03,789 INFO L225 Difference]: With dead ends: 187 [2020-07-17 13:14:03,790 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:14:03,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 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 13:14:03,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:14:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:14:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:14:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:14:03,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-07-17 13:14:03,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:14:03,818 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:14:03,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:14:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:14:03,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:14:03,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:14:03,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:14:04,384 INFO L271 CegarLoopResult]: At program point isnan_floatFINAL(line 13) the Hoare annotation is: true [2020-07-17 13:14:04,384 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-07-17 13:14:04,384 INFO L271 CegarLoopResult]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2020-07-17 13:14:04,385 INFO L271 CegarLoopResult]: At program point isnan_floatEXIT(line 13) the Hoare annotation is: true [2020-07-17 13:14:04,385 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 13:14:04,385 INFO L271 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2020-07-17 13:14:04,385 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,386 INFO L271 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: true [2020-07-17 13:14:04,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,386 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~one_sqrt~0)| ~one_sqrt~0) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(~tiny_sqrt~0)| ~tiny_sqrt~0) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 13:14:04,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,386 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,387 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:14:04,387 INFO L271 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: true [2020-07-17 13:14:04,387 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-07-17 13:14:04,388 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) the Hoare annotation is: false [2020-07-17 13:14:04,388 INFO L271 CegarLoopResult]: At program point L96-1(line 96) the Hoare annotation is: true [2020-07-17 13:14:04,388 INFO L264 CegarLoopResult]: At program point L96-2(lines 96 99) the Hoare annotation is: (and (<= |main_#t~ret6| 2147483647) (<= 0 (+ |main_#t~ret6| 2147483648))) [2020-07-17 13:14:04,388 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 84 102) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:04,389 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:04,389 INFO L264 CegarLoopResult]: At program point L96-3(line 96) the Hoare annotation is: (= 0 |main_#t~ret6|) [2020-07-17 13:14:04,389 INFO L271 CegarLoopResult]: At program point L93-1(line 93) the Hoare annotation is: true [2020-07-17 13:14:04,389 INFO L264 CegarLoopResult]: At program point L96-4(line 96) the Hoare annotation is: (and (<= 0 (+ |main_#t~ret6| 2147483648)) (<= |main_#t~ret6| 2147483647)) [2020-07-17 13:14:04,390 INFO L271 CegarLoopResult]: At program point L93-2(line 93) the Hoare annotation is: true [2020-07-17 13:14:04,390 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 84 102) the Hoare annotation is: true [2020-07-17 13:14:04,390 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 84 102) the Hoare annotation is: true [2020-07-17 13:14:04,390 INFO L271 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: true [2020-07-17 13:14:04,390 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-07-17 13:14:04,390 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 13:14:04,391 INFO L264 CegarLoopResult]: At program point L19-1(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 13:14:04,391 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-07-17 13:14:04,391 INFO L271 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: true [2020-07-17 13:14:04,391 INFO L271 CegarLoopResult]: At program point L77-1(line 77) the Hoare annotation is: true [2020-07-17 13:14:04,391 INFO L271 CegarLoopResult]: At program point L77-2(line 77) the Hoare annotation is: true [2020-07-17 13:14:04,392 INFO L271 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-07-17 13:14:04,392 INFO L271 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: true [2020-07-17 13:14:04,392 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 13:14:04,392 INFO L264 CegarLoopResult]: At program point L20-1(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 13:14:04,392 INFO L271 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2020-07-17 13:14:04,393 INFO L264 CegarLoopResult]: At program point L20-2(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 13:14:04,393 INFO L271 CegarLoopResult]: At program point L53-3(lines 17 82) the Hoare annotation is: true [2020-07-17 13:14:04,393 INFO L264 CegarLoopResult]: At program point L20-3(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 13:14:04,393 INFO L264 CegarLoopResult]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:04,394 INFO L264 CegarLoopResult]: At program point L20-4(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 13:14:04,394 INFO L264 CegarLoopResult]: At program point L20-5(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 13:14:04,394 INFO L271 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true [2020-07-17 13:14:04,394 INFO L271 CegarLoopResult]: At program point L45(lines 45 46) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point L45-2(lines 45 46) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point __ieee754_sqrtfFINAL(lines 17 82) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point L29(lines 29 30) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: true [2020-07-17 13:14:04,395 INFO L271 CegarLoopResult]: At program point __ieee754_sqrtfEXIT(lines 17 82) the Hoare annotation is: true [2020-07-17 13:14:04,396 INFO L271 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: true [2020-07-17 13:14:04,396 INFO L271 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: true [2020-07-17 13:14:04,396 INFO L271 CegarLoopResult]: At program point L79-1(line 79) the Hoare annotation is: true [2020-07-17 13:14:04,396 INFO L271 CegarLoopResult]: At program point L79-2(line 79) the Hoare annotation is: true [2020-07-17 13:14:04,396 INFO L271 CegarLoopResult]: At program point L79-3(line 79) the Hoare annotation is: true [2020-07-17 13:14:04,397 INFO L271 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true [2020-07-17 13:14:04,397 INFO L271 CegarLoopResult]: At program point L38(lines 38 42) the Hoare annotation is: true [2020-07-17 13:14:04,397 INFO L271 CegarLoopResult]: At program point L38-2(lines 38 42) the Hoare annotation is: true [2020-07-17 13:14:04,397 INFO L271 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-07-17 13:14:04,397 INFO L271 CegarLoopResult]: At program point L55(lines 55 59) the Hoare annotation is: true [2020-07-17 13:14:04,398 INFO L271 CegarLoopResult]: At program point L22-1(lines 22 26) the Hoare annotation is: true [2020-07-17 13:14:04,398 INFO L271 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: true [2020-07-17 13:14:04,398 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:04,398 INFO L271 CegarLoopResult]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2020-07-17 13:14:04,398 INFO L271 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: true [2020-07-17 13:14:04,399 INFO L271 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2020-07-17 13:14:04,399 INFO L271 CegarLoopResult]: At program point L39-4(line 39) the Hoare annotation is: true [2020-07-17 13:14:04,399 INFO L271 CegarLoopResult]: At program point L39-5(line 39) the Hoare annotation is: true [2020-07-17 13:14:04,399 INFO L271 CegarLoopResult]: At program point L39-6(lines 39 40) the Hoare annotation is: true [2020-07-17 13:14:04,399 INFO L271 CegarLoopResult]: At program point L39-7(lines 39 40) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L64(lines 64 73) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: true [2020-07-17 13:14:04,400 INFO L271 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: true [2020-07-17 13:14:04,401 INFO L271 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: true [2020-07-17 13:14:04,401 INFO L271 CegarLoopResult]: At program point L32(lines 32 33) the Hoare annotation is: true [2020-07-17 13:14:04,401 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-17 13:14:04,401 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-17 13:14:04,401 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L25-1(line 25) the Hoare annotation is: true [2020-07-17 13:14:04,402 INFO L271 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L50-1(line 50) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: true [2020-07-17 13:14:04,403 INFO L271 CegarLoopResult]: At program point L34(lines 34 35) the Hoare annotation is: true [2020-07-17 13:14:04,404 INFO L271 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-07-17 13:14:04,404 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 13:14:04,404 INFO L271 CegarLoopResult]: At program point L76-1(lines 76 80) the Hoare annotation is: true [2020-07-17 13:14:04,404 INFO L271 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2020-07-17 13:14:04,404 INFO L271 CegarLoopResult]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2020-07-17 13:14:04,405 INFO L271 CegarLoopResult]: At program point L68(lines 68 71) the Hoare annotation is: true [2020-07-17 13:14:04,405 INFO L271 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-07-17 13:14:04,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:14:04 BoogieIcfgContainer [2020-07-17 13:14:04,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:14:04,435 INFO L168 Benchmark]: Toolchain (without parser) took 2372.01 ms. Allocated memory was 137.4 MB in the beginning and 232.3 MB in the end (delta: 94.9 MB). Free memory was 102.5 MB in the beginning and 122.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,436 INFO L168 Benchmark]: CDTParser took 0.65 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.98 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 180.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,438 INFO L168 Benchmark]: Boogie Preprocessor took 41.84 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 177.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,439 INFO L168 Benchmark]: RCFGBuilder took 484.09 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 151.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,440 INFO L168 Benchmark]: TraceAbstraction took 1470.44 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 150.7 MB in the beginning and 122.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:04,445 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.98 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 180.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.84 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 177.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.09 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 151.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1470.44 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 150.7 MB in the beginning and 122.0 MB in the end (delta: 28.7 MB). Peak memory consumption was 72.7 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: 97]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant [2020-07-17 13:14:04,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:04,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:04,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:04,458 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 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for isnan_float Derived contract for procedure isnan_float: 1 - ProcedureContractResult [Line: 84]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __ieee754_sqrtf Derived contract for procedure __ieee754_sqrtf: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 109 SDtfs, 31 SDslu, 171 SDs, 0 SdLazy, 134 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 105 LocationsWithAnnotation, 109 PreInvPairs, 187 NumberOfFragments, 296 HoareAnnotationTreeSize, 109 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 105 FomulaSimplificationsInter, 271 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...