/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_0740.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:29,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:29,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:29,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:29,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:29,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:29,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:29,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:29,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:29,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:29,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:29,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:29,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:29,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:29,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:29,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:29,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:29,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:29,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:29,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:29,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:29,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:29,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:29,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:29,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:29,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:29,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:29,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:29,230 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 00:13:29,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:29,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:29,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:29,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:29,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:29,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:29,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:29,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:29,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:29,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:29,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:29,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:29,243 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:29,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:29,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:29,244 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:29,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:29,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:29,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:29,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:29,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:29,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:29,245 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:29,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:29,534 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:29,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:29,539 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:29,540 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:29,540 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2020-07-18 00:13:29,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f2f8631/5a0acbf64a4e44f6992c84b5a79d811f/FLAGba5899529 [2020-07-18 00:13:30,121 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:30,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0740.c [2020-07-18 00:13:30,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f2f8631/5a0acbf64a4e44f6992c84b5a79d811f/FLAGba5899529 [2020-07-18 00:13:30,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f2f8631/5a0acbf64a4e44f6992c84b5a79d811f [2020-07-18 00:13:30,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:30,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:30,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:30,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:30,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:30,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b9405f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30, skipping insertion in model container [2020-07-18 00:13:30,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:30,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:30,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:30,790 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:30,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:30,950 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:30,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30 WrapperNode [2020-07-18 00:13:30,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:30,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:30,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:30,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:30,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:31,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:31,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:31,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:31,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:31,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:31,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:31,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (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 00:13:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-07-18 00:13:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-18 00:13:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:31,722 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:31,722 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 00:13:31,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:31 BoogieIcfgContainer [2020-07-18 00:13:31,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:31,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:31,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:31,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:31,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:30" (1/3) ... [2020-07-18 00:13:31,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b53d37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:31, skipping insertion in model container [2020-07-18 00:13:31,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (2/3) ... [2020-07-18 00:13:31,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b53d37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:31, skipping insertion in model container [2020-07-18 00:13:31,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:31" (3/3) ... [2020-07-18 00:13:31,747 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2020-07-18 00:13:31,759 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:31,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:31,781 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:31,798 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:31,798 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:31,798 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:31,799 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:31,799 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:31,799 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:31,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:31,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-07-18 00:13:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 00:13:31,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:31,828 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] [2020-07-18 00:13:31,829 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:31,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:31,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2082497467, now seen corresponding path program 1 times [2020-07-18 00:13:31,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:31,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473143934] [2020-07-18 00:13:31,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:32,077 INFO L280 TraceCheckUtils]: 0: Hoare triple {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {108#true} is VALID [2020-07-18 00:13:32,078 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} #valid := #valid[0 := 0]; {108#true} is VALID [2020-07-18 00:13:32,079 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} assume 0 < #StackHeapBarrier; {108#true} is VALID [2020-07-18 00:13:32,079 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} ~one_sqrt~0 := 1.0; {108#true} is VALID [2020-07-18 00:13:32,082 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} ~tiny_sqrt~0 := 1.0E-30; {108#true} is VALID [2020-07-18 00:13:32,082 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:32,083 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {108#true} {108#true} #189#return; {108#true} is VALID [2020-07-18 00:13:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:32,135 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:32,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} havoc ~z~0; {108#true} is VALID [2020-07-18 00:13:32,136 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} havoc ~r~0; {108#true} is VALID [2020-07-18 00:13:32,136 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} havoc ~hx~0; {108#true} is VALID [2020-07-18 00:13:32,138 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} havoc ~ix~0; {108#true} is VALID [2020-07-18 00:13:32,138 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} havoc ~s~0; {108#true} is VALID [2020-07-18 00:13:32,139 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#true} havoc ~q~0; {108#true} is VALID [2020-07-18 00:13:32,139 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#true} havoc ~m~0; {108#true} is VALID [2020-07-18 00:13:32,140 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#true} havoc ~t~0; {108#true} is VALID [2020-07-18 00:13:32,140 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#true} havoc ~i~0; {108#true} is VALID [2020-07-18 00:13:32,143 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#true} assume !true; {109#false} is VALID [2020-07-18 00:13:32,143 INFO L280 TraceCheckUtils]: 11: Hoare triple {109#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {109#false} is VALID [2020-07-18 00:13:32,144 INFO L280 TraceCheckUtils]: 12: Hoare triple {109#false} assume !(~hx~0 % 4294967296 < 2139095040); {109#false} is VALID [2020-07-18 00:13:32,144 INFO L280 TraceCheckUtils]: 13: Hoare triple {109#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {109#false} is VALID [2020-07-18 00:13:32,145 INFO L280 TraceCheckUtils]: 14: Hoare triple {109#false} assume true; {109#false} is VALID [2020-07-18 00:13:32,145 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {109#false} {108#true} #185#return; {109#false} is VALID [2020-07-18 00:13:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:32,167 INFO L280 TraceCheckUtils]: 0: Hoare triple {108#true} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:32,168 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {108#true} is VALID [2020-07-18 00:13:32,168 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:32,169 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {108#true} {109#false} #187#return; {109#false} is VALID [2020-07-18 00:13:32,171 INFO L263 TraceCheckUtils]: 0: Hoare triple {108#true} call ULTIMATE.init(); {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-18 00:13:32,172 INFO L280 TraceCheckUtils]: 1: Hoare triple {137#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {108#true} is VALID [2020-07-18 00:13:32,172 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} #valid := #valid[0 := 0]; {108#true} is VALID [2020-07-18 00:13:32,173 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} assume 0 < #StackHeapBarrier; {108#true} is VALID [2020-07-18 00:13:32,173 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} ~one_sqrt~0 := 1.0; {108#true} is VALID [2020-07-18 00:13:32,174 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} ~tiny_sqrt~0 := 1.0E-30; {108#true} is VALID [2020-07-18 00:13:32,174 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:32,174 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {108#true} {108#true} #189#return; {108#true} is VALID [2020-07-18 00:13:32,175 INFO L263 TraceCheckUtils]: 8: Hoare triple {108#true} call #t~ret7 := main(); {108#true} is VALID [2020-07-18 00:13:32,175 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); {108#true} is VALID [2020-07-18 00:13:32,177 INFO L263 TraceCheckUtils]: 10: Hoare triple {108#true} call #t~ret5 := __ieee754_sqrtf(~x~0); {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:32,178 INFO L280 TraceCheckUtils]: 11: Hoare triple {138#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:32,178 INFO L280 TraceCheckUtils]: 12: Hoare triple {108#true} havoc ~z~0; {108#true} is VALID [2020-07-18 00:13:32,178 INFO L280 TraceCheckUtils]: 13: Hoare triple {108#true} havoc ~r~0; {108#true} is VALID [2020-07-18 00:13:32,179 INFO L280 TraceCheckUtils]: 14: Hoare triple {108#true} havoc ~hx~0; {108#true} is VALID [2020-07-18 00:13:32,179 INFO L280 TraceCheckUtils]: 15: Hoare triple {108#true} havoc ~ix~0; {108#true} is VALID [2020-07-18 00:13:32,179 INFO L280 TraceCheckUtils]: 16: Hoare triple {108#true} havoc ~s~0; {108#true} is VALID [2020-07-18 00:13:32,180 INFO L280 TraceCheckUtils]: 17: Hoare triple {108#true} havoc ~q~0; {108#true} is VALID [2020-07-18 00:13:32,180 INFO L280 TraceCheckUtils]: 18: Hoare triple {108#true} havoc ~m~0; {108#true} is VALID [2020-07-18 00:13:32,181 INFO L280 TraceCheckUtils]: 19: Hoare triple {108#true} havoc ~t~0; {108#true} is VALID [2020-07-18 00:13:32,181 INFO L280 TraceCheckUtils]: 20: Hoare triple {108#true} havoc ~i~0; {108#true} is VALID [2020-07-18 00:13:32,183 INFO L280 TraceCheckUtils]: 21: Hoare triple {108#true} assume !true; {109#false} is VALID [2020-07-18 00:13:32,184 INFO L280 TraceCheckUtils]: 22: Hoare triple {109#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {109#false} is VALID [2020-07-18 00:13:32,184 INFO L280 TraceCheckUtils]: 23: Hoare triple {109#false} assume !(~hx~0 % 4294967296 < 2139095040); {109#false} is VALID [2020-07-18 00:13:32,185 INFO L280 TraceCheckUtils]: 24: Hoare triple {109#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {109#false} is VALID [2020-07-18 00:13:32,185 INFO L280 TraceCheckUtils]: 25: Hoare triple {109#false} assume true; {109#false} is VALID [2020-07-18 00:13:32,185 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {109#false} {108#true} #185#return; {109#false} is VALID [2020-07-18 00:13:32,186 INFO L280 TraceCheckUtils]: 27: Hoare triple {109#false} ~res~0 := #t~ret5; {109#false} is VALID [2020-07-18 00:13:32,186 INFO L280 TraceCheckUtils]: 28: Hoare triple {109#false} havoc #t~ret5; {109#false} is VALID [2020-07-18 00:13:32,190 INFO L263 TraceCheckUtils]: 29: Hoare triple {109#false} call #t~ret6 := isnan_float(~res~0); {108#true} is VALID [2020-07-18 00:13:32,190 INFO L280 TraceCheckUtils]: 30: Hoare triple {108#true} ~x := #in~x; {108#true} is VALID [2020-07-18 00:13:32,191 INFO L280 TraceCheckUtils]: 31: Hoare triple {108#true} #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); {108#true} is VALID [2020-07-18 00:13:32,191 INFO L280 TraceCheckUtils]: 32: Hoare triple {108#true} assume true; {108#true} is VALID [2020-07-18 00:13:32,192 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {108#true} {109#false} #187#return; {109#false} is VALID [2020-07-18 00:13:32,193 INFO L280 TraceCheckUtils]: 34: Hoare triple {109#false} assume -2147483648 <= #t~ret6 && #t~ret6 <= 2147483647; {109#false} is VALID [2020-07-18 00:13:32,193 INFO L280 TraceCheckUtils]: 35: Hoare triple {109#false} assume 0 == #t~ret6; {109#false} is VALID [2020-07-18 00:13:32,193 INFO L280 TraceCheckUtils]: 36: Hoare triple {109#false} havoc #t~ret6; {109#false} is VALID [2020-07-18 00:13:32,194 INFO L280 TraceCheckUtils]: 37: Hoare triple {109#false} assume !false; {109#false} is VALID [2020-07-18 00:13:32,202 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 00:13:32,250 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:32,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473143934] [2020-07-18 00:13:32,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:32,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:32,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369276999] [2020-07-18 00:13:32,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-18 00:13:32,266 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:32,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:32,294 WARN L140 InductivityCheck]: Transition 108#true ( _ , assume !false; , 109#false ) not inductive [2020-07-18 00:13:32,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:32,295 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$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:32,301 INFO L168 Benchmark]: Toolchain (without parser) took 1798.53 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.5 MB in the beginning and 96.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,302 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 138.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.74 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 180.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,304 INFO L168 Benchmark]: Boogie Preprocessor took 64.94 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 178.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,305 INFO L168 Benchmark]: RCFGBuilder took 718.74 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 137.1 MB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,306 INFO L168 Benchmark]: TraceAbstraction took 560.14 ms. Allocated memory is still 202.9 MB. Free memory was 137.1 MB in the beginning and 96.3 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:32,310 INFO L336 ainManager$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 0.97 ms. Allocated memory is still 138.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.74 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.1 MB in the beginning and 180.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.94 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 178.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 718.74 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 137.1 MB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 560.14 ms. Allocated memory is still 202.9 MB. Free memory was 137.1 MB in the beginning and 96.3 MB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 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...