/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 11:56:41,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 11:56:41,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 11:56:41,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 11:56:41,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 11:56:41,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 11:56:41,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 11:56:41,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 11:56:41,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 11:56:41,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 11:56:41,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 11:56:41,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 11:56:41,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 11:56:41,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 11:56:41,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 11:56:41,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 11:56:41,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 11:56:41,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 11:56:41,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 11:56:41,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 11:56:41,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 11:56:41,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 11:56:41,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 11:56:41,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 11:56:41,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 11:56:41,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 11:56:41,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 11:56:41,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 11:56:41,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 11:56:41,219 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 11:56:41,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 11:56:41,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 11:56:41,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 11:56:41,221 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 11:56:41,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 11:56:41,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 11:56:41,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 11:56:41,223 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 11:56:41,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 11:56:41,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 11:56:41,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 11:56:41,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 11:56:41,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 11:56:41,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 11:56:41,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 11:56:41,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 11:56:41,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 11:56:41,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 11:56:41,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 11:56:41,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 11:56:41,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 11:56:41,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 11:56:41,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 11:56:41,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 11:56:41,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 11:56:41,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 11:56:41,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 11:56:41,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 11:56:41,502 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 11:56:41,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-08 11:56:41,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7016ba7/7d80981c5b834b4e88ec1045de64149d/FLAG3925dff7a [2020-07-08 11:56:42,008 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 11:56:42,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-08 11:56:42,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7016ba7/7d80981c5b834b4e88ec1045de64149d/FLAG3925dff7a [2020-07-08 11:56:42,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7016ba7/7d80981c5b834b4e88ec1045de64149d [2020-07-08 11:56:42,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 11:56:42,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 11:56:42,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 11:56:42,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 11:56:42,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 11:56:42,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5f4fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42, skipping insertion in model container [2020-07-08 11:56:42,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 11:56:42,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 11:56:42,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:56:42,706 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 11:56:42,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:56:42,885 INFO L208 MainTranslator]: Completed translation [2020-07-08 11:56:42,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42 WrapperNode [2020-07-08 11:56:42,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 11:56:42,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 11:56:42,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 11:56:42,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 11:56:42,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (1/1) ... [2020-07-08 11:56:42,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 11:56:42,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 11:56:42,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 11:56:42,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 11:56:42,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (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 [2020-07-08 11:56:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 11:56:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 11:56:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-08 11:56:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-08 11:56:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 11:56:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 11:56:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-08 11:56:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-08 11:56:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 11:56:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-08 11:56:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 11:56:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 11:56:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 11:56:43,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 11:56:43,689 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-08 11:56:43,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:56:43 BoogieIcfgContainer [2020-07-08 11:56:43,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 11:56:43,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 11:56:43,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 11:56:43,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 11:56:43,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:56:42" (1/3) ... [2020-07-08 11:56:43,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46bf81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:56:43, skipping insertion in model container [2020-07-08 11:56:43,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:56:42" (2/3) ... [2020-07-08 11:56:43,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46bf81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:56:43, skipping insertion in model container [2020-07-08 11:56:43,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:56:43" (3/3) ... [2020-07-08 11:56:43,702 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2020-07-08 11:56:43,712 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 11:56:43,718 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 11:56:43,730 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 11:56:43,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 11:56:43,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 11:56:43,751 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 11:56:43,752 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 11:56:43,752 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 11:56:43,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 11:56:43,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 11:56:43,752 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 11:56:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-07-08 11:56:43,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-08 11:56:43,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:56:43,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:56:43,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:56:43,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:56:43,785 INFO L82 PathProgramCache]: Analyzing trace with hash 85253742, now seen corresponding path program 1 times [2020-07-08 11:56:43,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:56:43,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835614733] [2020-07-08 11:56:43,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:56:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:56:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:56:44,004 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#(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;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {69#true} is VALID [2020-07-08 11:56:44,005 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-08 11:56:44,005 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {69#true} {69#true} #221#return; {69#true} is VALID [2020-07-08 11:56:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:56:44,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {80#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {69#true} is VALID [2020-07-08 11:56:44,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-08 11:56:44,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {70#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {70#false} is VALID [2020-07-08 11:56:44,050 INFO L280 TraceCheckUtils]: 3: Hoare triple {70#false} assume true; {70#false} is VALID [2020-07-08 11:56:44,050 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {70#false} {69#true} #217#return; {70#false} is VALID [2020-07-08 11:56:44,055 INFO L263 TraceCheckUtils]: 0: Hoare triple {69#true} call ULTIMATE.init(); {79#(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 [2020-07-08 11:56:44,056 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#(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;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {69#true} is VALID [2020-07-08 11:56:44,057 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-08 11:56:44,057 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {69#true} {69#true} #221#return; {69#true} is VALID [2020-07-08 11:56:44,057 INFO L263 TraceCheckUtils]: 4: Hoare triple {69#true} call #t~ret12 := main(); {69#true} is VALID [2020-07-08 11:56:44,058 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {69#true} is VALID [2020-07-08 11:56:44,061 INFO L263 TraceCheckUtils]: 6: Hoare triple {69#true} call #t~ret9 := __ieee754_sqrt(~x~0); {80#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 11:56:44,061 INFO L280 TraceCheckUtils]: 7: Hoare triple {80#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {69#true} is VALID [2020-07-08 11:56:44,062 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-08 11:56:44,062 INFO L280 TraceCheckUtils]: 9: Hoare triple {70#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {70#false} is VALID [2020-07-08 11:56:44,063 INFO L280 TraceCheckUtils]: 10: Hoare triple {70#false} assume true; {70#false} is VALID [2020-07-08 11:56:44,063 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {70#false} {69#true} #217#return; {70#false} is VALID [2020-07-08 11:56:44,064 INFO L280 TraceCheckUtils]: 12: Hoare triple {70#false} ~res~0 := #t~ret9;havoc #t~ret9;#t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {70#false} is VALID [2020-07-08 11:56:44,065 INFO L280 TraceCheckUtils]: 13: Hoare triple {70#false} assume !#t~short11; {70#false} is VALID [2020-07-08 11:56:44,065 INFO L280 TraceCheckUtils]: 14: Hoare triple {70#false} assume !#t~short11;havoc #t~short11;havoc #t~ret10; {70#false} is VALID [2020-07-08 11:56:44,066 INFO L280 TraceCheckUtils]: 15: Hoare triple {70#false} assume !false; {70#false} is VALID [2020-07-08 11:56:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:56:44,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835614733] [2020-07-08 11:56:44,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:56:44,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 11:56:44,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788837195] [2020-07-08 11:56:44,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-08 11:56:44,086 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:56:44,090 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 11:56:44,140 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:56:44,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 11:56:44,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:56:44,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 11:56:44,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 11:56:44,153 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-07-08 11:56:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:56:44,878 INFO L93 Difference]: Finished difference Result 124 states and 187 transitions. [2020-07-08 11:56:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 11:56:44,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-08 11:56:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:56:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:56:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2020-07-08 11:56:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:56:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2020-07-08 11:56:44,902 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 187 transitions. [2020-07-08 11:56:45,191 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:56:45,207 INFO L225 Difference]: With dead ends: 124 [2020-07-08 11:56:45,207 INFO L226 Difference]: Without dead ends: 62 [2020-07-08 11:56:45,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 11:56:45,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-08 11:56:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-07-08 11:56:45,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:56:45,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand 62 states. [2020-07-08 11:56:45,323 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 62 states. [2020-07-08 11:56:45,323 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 62 states. [2020-07-08 11:56:45,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:56:45,329 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-07-08 11:56:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-08 11:56:45,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:56:45,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:56:45,331 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 62 states. [2020-07-08 11:56:45,331 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 62 states. [2020-07-08 11:56:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:56:45,337 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-07-08 11:56:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-08 11:56:45,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:56:45,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:56:45,339 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:56:45,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:56:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-08 11:56:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2020-07-08 11:56:45,344 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 16 [2020-07-08 11:56:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:56:45,345 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2020-07-08 11:56:45,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 11:56:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-08 11:56:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-08 11:56:45,346 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:56:45,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:56:45,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 11:56:45,347 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:56:45,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:56:45,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1037787104, now seen corresponding path program 1 times [2020-07-08 11:56:45,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:56:45,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819019081] [2020-07-08 11:56:45,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:56:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:56:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:56:45,508 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-08 11:56:45,508 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 11:56:45,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 11:56:45,552 WARN L170 areAnnotationChecker]: __ieee754_sqrtENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 11:56:45,553 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L132-2 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L132-2 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-08 11:56:45,554 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-08 11:56:45,555 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 11:56:45,555 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 11:56:45,556 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 11:56:45,556 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 11:56:45,556 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 11:56:45,556 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 11:56:45,556 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: L132-3 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: L150-1 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: __ieee754_sqrtFINAL has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-08 11:56:45,557 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: __ieee754_sqrtEXIT has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: __signbit_doubleEXIT has no Hoare annotation [2020-07-08 11:56:45,558 WARN L170 areAnnotationChecker]: L153-1 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L153-1 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L153-4 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L153-4 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-08 11:56:45,559 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: L153-2 has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-08 11:56:45,560 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-08 11:56:45,561 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-08 11:56:45,562 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-08 11:56:45,562 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-08 11:56:45,564 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-08 11:56:45,564 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-08 11:56:45,565 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-08 11:56:45,566 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-08 11:56:45,567 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-08 11:56:45,569 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-08 11:56:45,569 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-08 11:56:45,569 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-08 11:56:45,569 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-08 11:56:45,569 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L117-2 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-08 11:56:45,570 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-08 11:56:45,571 WARN L170 areAnnotationChecker]: L108 has no Hoare annotation [2020-07-08 11:56:45,571 WARN L170 areAnnotationChecker]: L108 has no Hoare annotation [2020-07-08 11:56:45,571 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-08 11:56:45,571 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-08 11:56:45,571 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-08 11:56:45,572 WARN L170 areAnnotationChecker]: L108-2 has no Hoare annotation [2020-07-08 11:56:45,572 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-08 11:56:45,572 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-08 11:56:45,573 WARN L170 areAnnotationChecker]: L120-3 has no Hoare annotation [2020-07-08 11:56:45,573 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 11:56:45,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:56:45 BoogieIcfgContainer [2020-07-08 11:56:45,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 11:56:45,583 INFO L168 Benchmark]: Toolchain (without parser) took 3146.15 ms. Allocated memory was 144.7 MB in the beginning and 246.9 MB in the end (delta: 102.2 MB). Free memory was 101.9 MB in the beginning and 195.6 MB in the end (delta: -93.7 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2020-07-08 11:56:45,584 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 11:56:45,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.62 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 176.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-07-08 11:56:45,587 INFO L168 Benchmark]: Boogie Preprocessor took 64.14 ms. Allocated memory is still 201.3 MB. Free memory was 176.5 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-08 11:56:45,587 INFO L168 Benchmark]: RCFGBuilder took 742.30 ms. Allocated memory is still 201.3 MB. Free memory was 173.1 MB in the beginning and 125.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2020-07-08 11:56:45,589 INFO L168 Benchmark]: TraceAbstraction took 1884.43 ms. Allocated memory was 201.3 MB in the beginning and 246.9 MB in the end (delta: 45.6 MB). Free memory was 124.5 MB in the beginning and 195.6 MB in the end (delta: -71.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 11:56:45,602 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 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 449.62 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.7 MB in the beginning and 176.5 MB in the end (delta: -74.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.14 ms. Allocated memory is still 201.3 MB. Free memory was 176.5 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 742.30 ms. Allocated memory is still 201.3 MB. Free memory was 173.1 MB in the beginning and 125.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1884.43 ms. Allocated memory was 201.3 MB in the beginning and 246.9 MB in the end (delta: 45.6 MB). Free memory was 124.5 MB in the beginning and 195.6 MB in the end (delta: -71.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 153. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=8589934597, \old(tiny_sqrt)=8589934596, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=8589934598, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=8589934598, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934598] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [\old(x)=8589934598, ix0=-1, ix1=8589934594, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934598] [L150] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=8589934595, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934598] [L150] double res = __ieee754_sqrt(x); [L153] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, res=8589934595, res == -0.0 && __signbit_double(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934598] [L153] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L154] __VERIFIER_error() VAL [one_sqrt=1, res=8589934595, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=8589934598] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 75 SDslu, 5 SDs, 0 SdLazy, 85 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...