/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_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:39:11,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:39:11,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:39:11,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:39:11,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:39:11,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:39:11,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:39:11,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:39:11,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:39:11,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:39:11,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:39:11,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:39:11,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:39:11,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:39:11,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:39:11,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:39:11,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:39:11,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:39:11,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:39:11,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:39:11,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:39:11,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:39:11,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:39:11,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:39:11,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:39:11,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:39:11,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:39:11,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:39:11,366 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 [2020-07-10 14:39:11,400 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:39:11,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:39:11,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:39:11,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:39:11,407 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:39:11,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:39:11,407 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:39:11,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:39:11,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:39:11,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:39:11,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:39:11,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:39:11,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:39:11,408 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:39:11,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:39:11,412 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:39:11,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:39:11,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:39:11,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:39:11,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:39:11,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:39:11,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:39:11,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:39:11,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:39:11,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:39:11,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:39:11,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:39:11,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:39:11,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:39:11,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:39:11,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:39:11,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:39:11,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:39:11,757 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:39:11,757 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:39:11,758 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-10 14:39:11,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2ab4b8/931f207a21ee498cb03e36d76d521e56/FLAG4afa68bbc [2020-07-10 14:39:12,381 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:39:12,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-10 14:39:12,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2ab4b8/931f207a21ee498cb03e36d76d521e56/FLAG4afa68bbc [2020-07-10 14:39:12,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af2ab4b8/931f207a21ee498cb03e36d76d521e56 [2020-07-10 14:39:12,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:39:12,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:39:12,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:39:12,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:39:12,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:39:12,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:39:12" (1/1) ... [2020-07-10 14:39:12,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a82bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:12, skipping insertion in model container [2020-07-10 14:39:12,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:39:12" (1/1) ... [2020-07-10 14:39:12,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:39:12,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:39:13,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:39:13,083 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:39:13,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:39:13,301 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:39:13,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13 WrapperNode [2020-07-10 14:39:13,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:39:13,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:39:13,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:39:13,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:39:13,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (1/1) ... [2020-07-10 14:39:13,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:39:13,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:39:13,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:39:13,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:39:13,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (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 [2020-07-10 14:39:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:39:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:39:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 14:39:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-10 14:39:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-10 14:39:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:39:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:39:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 14:39:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 14:39:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:39:13,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:39:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-10 14:39:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:39:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:39:13,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:39:14,271 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:39:14,272 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-10 14:39:14,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:39:14 BoogieIcfgContainer [2020-07-10 14:39:14,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:39:14,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:39:14,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:39:14,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:39:14,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:39:12" (1/3) ... [2020-07-10 14:39:14,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e29ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:39:14, skipping insertion in model container [2020-07-10 14:39:14,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:39:13" (2/3) ... [2020-07-10 14:39:14,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e29ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:39:14, skipping insertion in model container [2020-07-10 14:39:14,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:39:14" (3/3) ... [2020-07-10 14:39:14,287 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2020-07-10 14:39:14,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:39:14,308 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:39:14,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:39:14,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:39:14,348 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:39:14,348 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:39:14,348 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:39:14,348 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:39:14,349 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:39:14,349 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:39:14,349 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:39:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-10 14:39:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-10 14:39:14,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:39:14,375 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] [2020-07-10 14:39:14,376 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:39:14,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:39:14,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1193926202, now seen corresponding path program 1 times [2020-07-10 14:39:14,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:39:14,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800810046] [2020-07-10 14:39:14,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:39:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:14,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {83#(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; {68#true} is VALID [2020-07-10 14:39:14,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-10 14:39:14,604 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {68#true} {68#true} #217#return; {68#true} is VALID [2020-07-10 14:39:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:14,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#(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; {68#true} is VALID [2020-07-10 14:39:14,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 14:39:14,668 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {69#false} is VALID [2020-07-10 14:39:14,669 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 14:39:14,669 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {69#false} {68#true} #213#return; {69#false} is VALID [2020-07-10 14:39:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:39:14,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {68#true} is VALID [2020-07-10 14:39:14,681 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 14:39:14,681 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {69#false} is VALID [2020-07-10 14:39:14,682 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 14:39:14,682 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {69#false} {69#false} #215#return; {69#false} is VALID [2020-07-10 14:39:14,684 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {83#(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 [2020-07-10 14:39:14,685 INFO L280 TraceCheckUtils]: 1: Hoare triple {83#(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; {68#true} is VALID [2020-07-10 14:39:14,685 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-10 14:39:14,685 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {68#true} {68#true} #217#return; {68#true} is VALID [2020-07-10 14:39:14,686 INFO L263 TraceCheckUtils]: 4: Hoare triple {68#true} call #t~ret13 := main(); {68#true} is VALID [2020-07-10 14:39:14,686 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {68#true} is VALID [2020-07-10 14:39:14,688 INFO L263 TraceCheckUtils]: 6: Hoare triple {68#true} call #t~ret11 := __ieee754_sqrt(~x~0); {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:39:14,689 INFO L280 TraceCheckUtils]: 7: Hoare triple {84#(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; {68#true} is VALID [2020-07-10 14:39:14,690 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 14:39:14,690 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {69#false} is VALID [2020-07-10 14:39:14,690 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 14:39:14,691 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {69#false} {68#true} #213#return; {69#false} is VALID [2020-07-10 14:39:14,691 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} ~res~0 := #t~ret11;havoc #t~ret11; {69#false} is VALID [2020-07-10 14:39:14,692 INFO L263 TraceCheckUtils]: 13: Hoare triple {69#false} call #t~ret12 := isinf_double(~res~0); {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:39:14,692 INFO L280 TraceCheckUtils]: 14: Hoare triple {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {68#true} is VALID [2020-07-10 14:39:14,693 INFO L280 TraceCheckUtils]: 15: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-10 14:39:14,694 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {69#false} is VALID [2020-07-10 14:39:14,694 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-10 14:39:14,695 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {69#false} {69#false} #215#return; {69#false} is VALID [2020-07-10 14:39:14,695 INFO L280 TraceCheckUtils]: 19: Hoare triple {69#false} assume -2147483648 <= #t~ret12 && #t~ret12 <= 2147483647; {69#false} is VALID [2020-07-10 14:39:14,695 INFO L280 TraceCheckUtils]: 20: Hoare triple {69#false} assume 0 == #t~ret12;havoc #t~ret12; {69#false} is VALID [2020-07-10 14:39:14,696 INFO L280 TraceCheckUtils]: 21: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-10 14:39:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 14:39:14,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800810046] [2020-07-10 14:39:14,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:39:14,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:39:14,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029755511] [2020-07-10 14:39:14,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-10 14:39:14,716 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:39:14,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:39:14,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:39:14,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:39:14,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:39:14,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:39:14,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:39:14,822 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2020-07-10 14:39:15,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:15,570 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-07-10 14:39:15,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:39:15,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-10 14:39:15,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:39:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:39:15,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2020-07-10 14:39:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:39:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions. [2020-07-10 14:39:15,594 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 183 transitions. [2020-07-10 14:39:15,918 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:39:15,935 INFO L225 Difference]: With dead ends: 122 [2020-07-10 14:39:15,935 INFO L226 Difference]: Without dead ends: 61 [2020-07-10 14:39:15,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:39:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-10 14:39:16,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-10 14:39:16,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:39:16,056 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2020-07-10 14:39:16,057 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-10 14:39:16,057 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-10 14:39:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:16,064 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2020-07-10 14:39:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-07-10 14:39:16,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:39:16,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:39:16,066 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-10 14:39:16,066 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-10 14:39:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:39:16,073 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2020-07-10 14:39:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-07-10 14:39:16,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:39:16,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:39:16,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:39:16,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:39:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-10 14:39:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2020-07-10 14:39:16,081 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 22 [2020-07-10 14:39:16,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:39:16,082 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-07-10 14:39:16,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:39:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-07-10 14:39:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-10 14:39:16,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:39:16,084 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] [2020-07-10 14:39:16,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:39:16,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:39:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:39:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash 788703765, now seen corresponding path program 1 times [2020-07-10 14:39:16,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:39:16,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065929974] [2020-07-10 14:39:16,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:39:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:39:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:39:16,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:39:16,426 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:39:16,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:39:16,463 WARN L170 areAnnotationChecker]: __ieee754_sqrtENTRY has no Hoare annotation [2020-07-10 14:39:16,463 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-10 14:39:16,463 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: isinf_doubleENTRY has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: L28-2 has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: L28-2 has no Hoare annotation [2020-07-10 14:39:16,464 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-10 14:39:16,465 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-10 14:39:16,466 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: L135-3 has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: __ieee754_sqrtFINAL has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:39:16,467 WARN L170 areAnnotationChecker]: isinf_doubleFINAL has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: __ieee754_sqrtEXIT has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-10 14:39:16,468 WARN L170 areAnnotationChecker]: isinf_doubleEXIT has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-10 14:39:16,469 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-10 14:39:16,470 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:39:16,471 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-10 14:39:16,472 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L72-3 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-10 14:39:16,473 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L85-3 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L85-3 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-10 14:39:16,474 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2020-07-10 14:39:16,475 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-10 14:39:16,476 WARN L170 areAnnotationChecker]: L123-2 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L123-2 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-10 14:39:16,477 WARN L170 areAnnotationChecker]: L123-3 has no Hoare annotation [2020-07-10 14:39:16,478 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. [2020-07-10 14:39:16,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:39:16 BoogieIcfgContainer [2020-07-10 14:39:16,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:39:16,485 INFO L168 Benchmark]: Toolchain (without parser) took 3718.98 ms. Allocated memory was 146.3 MB in the beginning and 244.8 MB in the end (delta: 98.6 MB). Free memory was 102.8 MB in the beginning and 170.4 MB in the end (delta: -67.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:16,485 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 14:39:16,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.27 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 178.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:16,487 INFO L168 Benchmark]: Boogie Preprocessor took 70.39 ms. Allocated memory is still 203.9 MB. Free memory was 178.7 MB in the beginning and 175.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:16,488 INFO L168 Benchmark]: RCFGBuilder took 904.03 ms. Allocated memory is still 203.9 MB. Free memory was 175.5 MB in the beginning and 124.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2020-07-10 14:39:16,489 INFO L168 Benchmark]: TraceAbstraction took 2202.53 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 123.4 MB in the beginning and 170.4 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 14:39:16,493 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 0.24 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 536.27 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 178.7 MB in the end (delta: -75.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.39 ms. Allocated memory is still 203.9 MB. Free memory was 178.7 MB in the beginning and 175.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 904.03 ms. Allocated memory is still 203.9 MB. Free memory was 175.5 MB in the beginning and 124.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2202.53 ms. Allocated memory was 203.9 MB in the beginning and 244.8 MB in the end (delta: 40.9 MB). Free memory was 123.4 MB in the beginning and 170.4 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 160]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=12884901890, \old(tiny_sqrt)=12884901899, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] double x = 1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L156] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=12884901891, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=12884901891, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [\old(x)=12884901891, ix0=-1, ix1=12884901900, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891] [L156] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891] [L156] double res = __ieee754_sqrt(x); [L159] CALL, EXPR isinf_double(res) VAL [\old(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L134] __int32_t hx, lx; VAL [\old(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901889] [L136] ieee_double_shape_type ew_u; [L137] ew_u.value = (x) [L138] EXPR ew_u.parts.msw [L138] (hx) = ew_u.parts.msw [L139] EXPR ew_u.parts.lsw [L139] (lx) = ew_u.parts.lsw [L141] hx &= 0x7fffffff [L142] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L143] hx = 0x7ff00000 - hx [L144] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=12884901889, \result=0, hx=2146435072, lx=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901889] [L159] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=12884901889, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891] [L159] COND TRUE !isinf_double(res) [L160] __VERIFIER_error() VAL [one_sqrt=1, res=12884901889, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 73 SDslu, 5 SDs, 0 SdLazy, 83 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 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...