/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 0.1.25-267fbe0 [2020-07-17 22:02:56,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:02:56,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:02:56,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:02:56,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:02:56,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:02:56,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:02:56,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:02:56,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:02:56,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:02:56,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:02:56,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:02:56,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:02:56,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:02:56,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:02:56,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:02:56,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:02:56,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:02:56,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:02:56,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:02:56,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:02:56,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:02:56,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:02:56,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:02:56,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:02:56,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:02:56,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:02:56,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:02:56,360 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 [2020-07-17 22:02:56,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:02:56,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:02:56,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:02:56,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:02:56,375 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:02:56,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:02:56,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:02:56,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:02:56,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:02:56,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:02:56,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:02:56,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:02:56,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:02:56,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:02:56,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:02:56,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:02:56,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:02:56,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:02:56,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:02:56,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:02:56,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:02:56,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:02:56,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:02:56,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:02:56,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:02:56,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:02:56,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:02:56,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:02:56,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:02:56,649 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:02:56,650 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-17 22:02:56,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e06e6d0/6783ecbb0cff4447879665c8c4655d74/FLAG5b48af412 [2020-07-17 22:02:57,177 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:02:57,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730b.c [2020-07-17 22:02:57,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e06e6d0/6783ecbb0cff4447879665c8c4655d74/FLAG5b48af412 [2020-07-17 22:02:57,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e06e6d0/6783ecbb0cff4447879665c8c4655d74 [2020-07-17 22:02:57,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:02:57,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:02:57,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:57,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:02:57,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:02:57,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:57" (1/1) ... [2020-07-17 22:02:57,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6057d15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:57, skipping insertion in model container [2020-07-17 22:02:57,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:57" (1/1) ... [2020-07-17 22:02:57,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:02:57,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:02:57,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:02:57,881 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:02:58,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:02:58,051 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:02:58,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58 WrapperNode [2020-07-17 22:02:58,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:58,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:02:58,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:02:58,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:02:58,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... [2020-07-17 22:02:58,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:02:58,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:02:58,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:02:58,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:02:58,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:02:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:02:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:02:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-17 22:02:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-17 22:02:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:02:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:02:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 22:02:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-17 22:02:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:02:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:02:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:02:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:02:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:02:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:02:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-17 22:02:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:02:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:02:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:02:58,868 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:02:58,869 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-17 22:02:58,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:58 BoogieIcfgContainer [2020-07-17 22:02:58,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:02:58,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:02:58,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:02:58,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:02:58,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:02:57" (1/3) ... [2020-07-17 22:02:58,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe906c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:58, skipping insertion in model container [2020-07-17 22:02:58,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:58" (2/3) ... [2020-07-17 22:02:58,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe906c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:58, skipping insertion in model container [2020-07-17 22:02:58,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:58" (3/3) ... [2020-07-17 22:02:58,882 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2020-07-17 22:02:58,893 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:02:58,901 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:02:58,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:02:58,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:02:58,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:02:58,941 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:02:58,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:02:58,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:02:58,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:02:58,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:02:58,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:02:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-07-17 22:02:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 22:02:58,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:02:58,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:02:58,971 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:02:58,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:02:58,977 INFO L82 PathProgramCache]: Analyzing trace with hash 85253742, now seen corresponding path program 1 times [2020-07-17 22:02:58,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:02:58,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49656405] [2020-07-17 22:02:58,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:02:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:59,188 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 [2020-07-17 22:02:59,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-17 22:02:59,190 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {69#true} {69#true} #221#return; {69#true} is VALID [2020-07-17 22:02:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:59,219 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 [2020-07-17 22:02:59,221 INFO L280 TraceCheckUtils]: 1: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-17 22:02:59,221 INFO L280 TraceCheckUtils]: 2: Hoare triple {70#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {70#false} is VALID [2020-07-17 22:02:59,222 INFO L280 TraceCheckUtils]: 3: Hoare triple {70#false} assume true; {70#false} is VALID [2020-07-17 22:02:59,222 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {70#false} {69#true} #217#return; {70#false} is VALID [2020-07-17 22:02:59,224 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 [2020-07-17 22:02:59,224 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 [2020-07-17 22:02:59,225 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#true} assume true; {69#true} is VALID [2020-07-17 22:02:59,225 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {69#true} {69#true} #221#return; {69#true} is VALID [2020-07-17 22:02:59,225 INFO L263 TraceCheckUtils]: 4: Hoare triple {69#true} call #t~ret12 := main(); {69#true} is VALID [2020-07-17 22:02:59,226 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {69#true} is VALID [2020-07-17 22:02:59,228 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 [2020-07-17 22:02:59,228 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 [2020-07-17 22:02:59,229 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#true} assume !true; {70#false} is VALID [2020-07-17 22:02:59,229 INFO L280 TraceCheckUtils]: 9: Hoare triple {70#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {70#false} is VALID [2020-07-17 22:02:59,230 INFO L280 TraceCheckUtils]: 10: Hoare triple {70#false} assume true; {70#false} is VALID [2020-07-17 22:02:59,230 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {70#false} {69#true} #217#return; {70#false} is VALID [2020-07-17 22:02:59,230 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 [2020-07-17 22:02:59,231 INFO L280 TraceCheckUtils]: 13: Hoare triple {70#false} assume !#t~short11; {70#false} is VALID [2020-07-17 22:02:59,231 INFO L280 TraceCheckUtils]: 14: Hoare triple {70#false} assume !#t~short11;havoc #t~short11;havoc #t~ret10; {70#false} is VALID [2020-07-17 22:02:59,232 INFO L280 TraceCheckUtils]: 15: Hoare triple {70#false} assume !false; {70#false} is VALID [2020-07-17 22:02:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:02:59,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49656405] [2020-07-17 22:02:59,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:02:59,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:02:59,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747010927] [2020-07-17 22:02:59,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-17 22:02:59,246 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:02:59,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:02:59,291 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:02:59,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:02:59,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:02:59,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:02:59,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:02:59,305 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-07-17 22:02:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:02:59,995 INFO L93 Difference]: Finished difference Result 124 states and 187 transitions. [2020-07-17 22:02:59,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:02:59,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-07-17 22:02:59,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:02:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2020-07-17 22:03:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 187 transitions. [2020-07-17 22:03:00,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 187 transitions. [2020-07-17 22:03:00,312 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:03:00,327 INFO L225 Difference]: With dead ends: 124 [2020-07-17 22:03:00,327 INFO L226 Difference]: Without dead ends: 62 [2020-07-17 22:03:00,331 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 [2020-07-17 22:03:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-17 22:03:00,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-07-17 22:03:00,434 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:03:00,435 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand 62 states. [2020-07-17 22:03:00,436 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 62 states. [2020-07-17 22:03:00,436 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 62 states. [2020-07-17 22:03:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:00,442 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-07-17 22:03:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-17 22:03:00,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:00,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:00,444 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 62 states. [2020-07-17 22:03:00,444 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 62 states. [2020-07-17 22:03:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:00,450 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-07-17 22:03:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-17 22:03:00,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:00,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:00,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:03:00,452 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:03:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-17 22:03:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions. [2020-07-17 22:03:00,458 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 16 [2020-07-17 22:03:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:03:00,458 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions. [2020-07-17 22:03:00,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:03:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-07-17 22:03:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-17 22:03:00,460 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:03:00,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:03:00,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:03:00,460 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:03:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:03:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1037787104, now seen corresponding path program 1 times [2020-07-17 22:03:00,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:03:00,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165139911] [2020-07-17 22:03:00,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:03:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:03:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:03:00,580 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:03:00,581 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:03:00,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:03:00,609 WARN L170 areAnnotationChecker]: __ieee754_sqrtENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-17 22:03:00,610 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L132-2 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L132-2 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-17 22:03:00,611 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 22:03:00,612 WARN L170 areAnnotationChecker]: L132-3 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: L150-1 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: __ieee754_sqrtFINAL has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-17 22:03:00,613 WARN L170 areAnnotationChecker]: __ieee754_sqrtEXIT has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: __signbit_doubleEXIT has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L153-1 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L153-1 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L153-4 has no Hoare annotation [2020-07-17 22:03:00,614 WARN L170 areAnnotationChecker]: L153-4 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L153-2 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-17 22:03:00,615 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:03:00,616 WARN L170 areAnnotationChecker]: L45-3 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L50-4 has no Hoare annotation [2020-07-17 22:03:00,617 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L69-2 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L69-3 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-17 22:03:00,618 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 22:03:00,619 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation [2020-07-17 22:03:00,620 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-17 22:03:00,621 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L117-2 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L108 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L108 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-17 22:03:00,622 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation [2020-07-17 22:03:00,623 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-17 22:03:00,623 WARN L170 areAnnotationChecker]: L108-2 has no Hoare annotation [2020-07-17 22:03:00,623 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-17 22:03:00,623 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2020-07-17 22:03:00,623 WARN L170 areAnnotationChecker]: L120-3 has no Hoare annotation [2020-07-17 22:03:00,623 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. [2020-07-17 22:03:00,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:03:00 BoogieIcfgContainer [2020-07-17 22:03:00,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:03:00,630 INFO L168 Benchmark]: Toolchain (without parser) took 3033.88 ms. Allocated memory was 145.2 MB in the beginning and 246.9 MB in the end (delta: 101.7 MB). Free memory was 102.5 MB in the beginning and 194.1 MB in the end (delta: -91.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:00,630 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:03:00,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.55 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 177.3 MB in the end (delta: -75.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:00,632 INFO L168 Benchmark]: Boogie Preprocessor took 67.28 ms. Allocated memory is still 202.4 MB. Free memory was 177.3 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:00,633 INFO L168 Benchmark]: RCFGBuilder took 753.37 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 125.9 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:00,634 INFO L168 Benchmark]: TraceAbstraction took 1751.92 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 125.9 MB in the beginning and 195.9 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:03:00,638 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 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 454.55 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 177.3 MB in the end (delta: -75.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.28 ms. Allocated memory is still 202.4 MB. Free memory was 177.3 MB in the beginning and 174.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 753.37 ms. Allocated memory is still 202.4 MB. Free memory was 174.6 MB in the beginning and 125.9 MB in the end (delta: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1751.92 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 125.9 MB in the beginning and 195.9 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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: 1.6s, 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...