/usr/bin/java -ea -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_1031.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:32,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:32,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:32,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:32,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:32,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:32,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:32,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:32,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:32,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:32,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:32,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:32,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:32,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:32,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:32,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:32,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:32,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:32,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:32,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:32,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:32,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:32,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:32,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:32,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:32,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:13:32,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:13:32,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:13:32,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:13:32,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:13:32,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:13:32,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:13:32,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:13:32,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:32,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:32,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:32,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:32,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:32,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:32,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:32,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:32,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:32,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:32,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:32,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:32,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:32,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:32,533 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:32,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:32,534 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:32,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:32,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:32,537 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:32,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:32,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:32,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:32,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:32,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:32,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:32,538 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:32,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:32,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:32,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:32,875 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:32,875 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:32,875 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1031.c [2020-07-18 00:13:32,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2655052fd/3b919b153447483cb46c8fa951a900b7/FLAG7cc6c49bf [2020-07-18 00:13:33,400 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:33,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1031.c [2020-07-18 00:13:33,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2655052fd/3b919b153447483cb46c8fa951a900b7/FLAG7cc6c49bf [2020-07-18 00:13:33,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2655052fd/3b919b153447483cb46c8fa951a900b7 [2020-07-18 00:13:33,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:33,792 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:33,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:33,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:33,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:33,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:33" (1/1) ... [2020-07-18 00:13:33,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7779094a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:33, skipping insertion in model container [2020-07-18 00:13:33,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:33" (1/1) ... [2020-07-18 00:13:33,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:33,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:34,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:34,022 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:34,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:34,076 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:34,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34 WrapperNode [2020-07-18 00:13:34,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:34,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:34,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:34,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:34,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (1/1) ... [2020-07-18 00:13:34,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:34,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:34,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:34,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:34,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (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 [2020-07-18 00:13:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2020-07-18 00:13:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-18 00:13:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-18 00:13:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:34,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:34,742 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 00:13:34,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:34 BoogieIcfgContainer [2020-07-18 00:13:34,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:34,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:34,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:34,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:34,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:33" (1/3) ... [2020-07-18 00:13:34,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@806b13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:34, skipping insertion in model container [2020-07-18 00:13:34,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:34" (2/3) ... [2020-07-18 00:13:34,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@806b13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:34, skipping insertion in model container [2020-07-18 00:13:34,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:34" (3/3) ... [2020-07-18 00:13:34,756 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1031.c [2020-07-18 00:13:34,767 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:34,774 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:34,788 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:34,806 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:34,806 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:34,807 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:34,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:34,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:34,807 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:34,807 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:34,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-07-18 00:13:34,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 00:13:34,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:34,833 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] [2020-07-18 00:13:34,834 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:34,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:34,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1002488425, now seen corresponding path program 1 times [2020-07-18 00:13:34,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:34,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414609601] [2020-07-18 00:13:34,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:35,087 INFO L280 TraceCheckUtils]: 0: Hoare triple {92#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {71#true} is VALID [2020-07-18 00:13:35,088 INFO L280 TraceCheckUtils]: 1: Hoare triple {71#true} #valid := #valid[0 := 0]; {71#true} is VALID [2020-07-18 00:13:35,088 INFO L280 TraceCheckUtils]: 2: Hoare triple {71#true} assume 0 < #StackHeapBarrier; {71#true} is VALID [2020-07-18 00:13:35,089 INFO L280 TraceCheckUtils]: 3: Hoare triple {71#true} assume true; {71#true} is VALID [2020-07-18 00:13:35,093 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {71#true} {71#true} #106#return; {71#true} is VALID [2020-07-18 00:13:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:35,127 INFO L280 TraceCheckUtils]: 0: Hoare triple {93#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {71#true} is VALID [2020-07-18 00:13:35,128 INFO L280 TraceCheckUtils]: 1: Hoare triple {71#true} havoc ~w~0; {71#true} is VALID [2020-07-18 00:13:35,128 INFO L280 TraceCheckUtils]: 2: Hoare triple {71#true} havoc ~exponent_less_127~0; {71#true} is VALID [2020-07-18 00:13:35,130 INFO L280 TraceCheckUtils]: 3: Hoare triple {71#true} assume !true; {72#false} is VALID [2020-07-18 00:13:35,130 INFO L280 TraceCheckUtils]: 4: Hoare triple {72#false} ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; {72#false} is VALID [2020-07-18 00:13:35,131 INFO L280 TraceCheckUtils]: 5: Hoare triple {72#false} assume !(~exponent_less_127~0 < 23); {72#false} is VALID [2020-07-18 00:13:35,131 INFO L280 TraceCheckUtils]: 6: Hoare triple {72#false} assume 128 == ~exponent_less_127~0; {72#false} is VALID [2020-07-18 00:13:35,132 INFO L280 TraceCheckUtils]: 7: Hoare triple {72#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {72#false} is VALID [2020-07-18 00:13:35,132 INFO L280 TraceCheckUtils]: 8: Hoare triple {72#false} assume true; {72#false} is VALID [2020-07-18 00:13:35,133 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {72#false} {71#true} #110#return; {72#false} is VALID [2020-07-18 00:13:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:35,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {71#true} ~x := #in~x; {71#true} is VALID [2020-07-18 00:13:35,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {71#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {71#true} is VALID [2020-07-18 00:13:35,145 INFO L280 TraceCheckUtils]: 2: Hoare triple {71#true} assume true; {71#true} is VALID [2020-07-18 00:13:35,145 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {71#true} {72#false} #112#return; {72#false} is VALID [2020-07-18 00:13:35,150 INFO L263 TraceCheckUtils]: 0: Hoare triple {71#true} call ULTIMATE.init(); {92#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:35,150 INFO L280 TraceCheckUtils]: 1: Hoare triple {92#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {71#true} is VALID [2020-07-18 00:13:35,151 INFO L280 TraceCheckUtils]: 2: Hoare triple {71#true} #valid := #valid[0 := 0]; {71#true} is VALID [2020-07-18 00:13:35,151 INFO L280 TraceCheckUtils]: 3: Hoare triple {71#true} assume 0 < #StackHeapBarrier; {71#true} is VALID [2020-07-18 00:13:35,152 INFO L280 TraceCheckUtils]: 4: Hoare triple {71#true} assume true; {71#true} is VALID [2020-07-18 00:13:35,152 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {71#true} {71#true} #106#return; {71#true} is VALID [2020-07-18 00:13:35,153 INFO L263 TraceCheckUtils]: 6: Hoare triple {71#true} call #t~ret6 := main(); {71#true} is VALID [2020-07-18 00:13:35,153 INFO L280 TraceCheckUtils]: 7: Hoare triple {71#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); {71#true} is VALID [2020-07-18 00:13:35,156 INFO L263 TraceCheckUtils]: 8: Hoare triple {71#true} call #t~ret4 := round_float(~x~0); {93#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:35,157 INFO L280 TraceCheckUtils]: 9: Hoare triple {93#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {71#true} is VALID [2020-07-18 00:13:35,157 INFO L280 TraceCheckUtils]: 10: Hoare triple {71#true} havoc ~w~0; {71#true} is VALID [2020-07-18 00:13:35,158 INFO L280 TraceCheckUtils]: 11: Hoare triple {71#true} havoc ~exponent_less_127~0; {71#true} is VALID [2020-07-18 00:13:35,161 INFO L280 TraceCheckUtils]: 12: Hoare triple {71#true} assume !true; {72#false} is VALID [2020-07-18 00:13:35,161 INFO L280 TraceCheckUtils]: 13: Hoare triple {72#false} ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; {72#false} is VALID [2020-07-18 00:13:35,162 INFO L280 TraceCheckUtils]: 14: Hoare triple {72#false} assume !(~exponent_less_127~0 < 23); {72#false} is VALID [2020-07-18 00:13:35,162 INFO L280 TraceCheckUtils]: 15: Hoare triple {72#false} assume 128 == ~exponent_less_127~0; {72#false} is VALID [2020-07-18 00:13:35,163 INFO L280 TraceCheckUtils]: 16: Hoare triple {72#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {72#false} is VALID [2020-07-18 00:13:35,163 INFO L280 TraceCheckUtils]: 17: Hoare triple {72#false} assume true; {72#false} is VALID [2020-07-18 00:13:35,163 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {72#false} {71#true} #110#return; {72#false} is VALID [2020-07-18 00:13:35,164 INFO L280 TraceCheckUtils]: 19: Hoare triple {72#false} ~res~0 := #t~ret4; {72#false} is VALID [2020-07-18 00:13:35,166 INFO L280 TraceCheckUtils]: 20: Hoare triple {72#false} havoc #t~ret4; {72#false} is VALID [2020-07-18 00:13:35,167 INFO L263 TraceCheckUtils]: 21: Hoare triple {72#false} call #t~ret5 := isnan_float(~res~0); {71#true} is VALID [2020-07-18 00:13:35,168 INFO L280 TraceCheckUtils]: 22: Hoare triple {71#true} ~x := #in~x; {71#true} is VALID [2020-07-18 00:13:35,168 INFO L280 TraceCheckUtils]: 23: Hoare triple {71#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {71#true} is VALID [2020-07-18 00:13:35,168 INFO L280 TraceCheckUtils]: 24: Hoare triple {71#true} assume true; {71#true} is VALID [2020-07-18 00:13:35,169 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {71#true} {72#false} #112#return; {72#false} is VALID [2020-07-18 00:13:35,169 INFO L280 TraceCheckUtils]: 26: Hoare triple {72#false} assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; {72#false} is VALID [2020-07-18 00:13:35,170 INFO L280 TraceCheckUtils]: 27: Hoare triple {72#false} assume 0 == #t~ret5; {72#false} is VALID [2020-07-18 00:13:35,170 INFO L280 TraceCheckUtils]: 28: Hoare triple {72#false} havoc #t~ret5; {72#false} is VALID [2020-07-18 00:13:35,171 INFO L280 TraceCheckUtils]: 29: Hoare triple {72#false} assume !false; {72#false} is VALID [2020-07-18 00:13:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:35,257 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:35,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414609601] [2020-07-18 00:13:35,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:35,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:35,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982547563] [2020-07-18 00:13:35,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 00:13:35,283 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:35,288 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:35,303 WARN L140 InductivityCheck]: Transition 71#true ( _ , assume !false; , 72#false ) not inductive [2020-07-18 00:13:35,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:35,304 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:35,310 INFO L168 Benchmark]: Toolchain (without parser) took 1518.39 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 111.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,311 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.92 ms. Allocated memory is still 142.6 MB. Free memory was 99.4 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,313 INFO L168 Benchmark]: Boogie Preprocessor took 140.94 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 88.0 MB in the beginning and 177.6 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,314 INFO L168 Benchmark]: RCFGBuilder took 529.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 146.7 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,315 INFO L168 Benchmark]: TraceAbstraction took 557.78 ms. Allocated memory is still 200.3 MB. Free memory was 146.0 MB in the beginning and 111.9 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:35,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 118.0 MB in the beginning and 117.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.92 ms. Allocated memory is still 142.6 MB. Free memory was 99.4 MB in the beginning and 88.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.94 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 88.0 MB in the beginning and 177.6 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 529.01 ms. Allocated memory is still 200.3 MB. Free memory was 177.6 MB in the beginning and 146.7 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 557.78 ms. Allocated memory is still 200.3 MB. Free memory was 146.0 MB in the beginning and 111.9 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...