/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/float_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:41:23,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:41:23,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:41:23,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:41:23,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:41:23,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:41:23,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:41:23,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:41:23,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:41:23,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:41:23,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:41:23,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:41:23,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:41:23,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:41:23,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:41:23,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:41:23,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:41:23,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:41:23,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:41:23,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:41:23,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:41:23,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:41:23,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:41:23,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:41:23,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:41:23,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:41:23,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:41:23,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:41:23,151 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 14:41:23,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:41:23,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:41:23,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:41:23,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:41:23,181 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:41:23,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:41:23,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:41:23,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:41:23,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:41:23,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:41:23,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:41:23,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:41:23,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:41:23,184 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:41:23,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:41:23,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:41:23,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:41:23,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:41:23,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:41:23,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:41:23,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:41:23,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:41:23,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:41:23,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:41:23,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:41:23,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:41:23,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:41:23,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:41:23,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:41:23,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:41:23,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:41:23,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:41:23,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:41:23,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:41:23,517 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:41:23,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-10 14:41:23,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cacc5c9d/088828275aba49db962529929db247ef/FLAG4daa473de [2020-07-10 14:41:24,148 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:41:24,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-10 14:41:24,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cacc5c9d/088828275aba49db962529929db247ef/FLAG4daa473de [2020-07-10 14:41:24,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cacc5c9d/088828275aba49db962529929db247ef [2020-07-10 14:41:24,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:41:24,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:41:24,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:41:24,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:41:24,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:41:24,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:24,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2701886f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24, skipping insertion in model container [2020-07-10 14:41:24,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:24,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:41:24,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:41:24,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:41:24,862 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:41:24,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:41:24,936 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:41:24,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24 WrapperNode [2020-07-10 14:41:24,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:41:24,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:41:24,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:41:24,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:41:25,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (1/1) ... [2020-07-10 14:41:25,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:41:25,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:41:25,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:41:25,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:41:25,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (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 14:41:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:41:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:41:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-10 14:41:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-10 14:41:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:41:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:41:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-10 14:41:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-10 14:41:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:41:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-10 14:41:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:41:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:41:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:41:25,776 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:41:25,776 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 14:41:25,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:25 BoogieIcfgContainer [2020-07-10 14:41:25,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:41:25,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:41:25,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:41:25,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:41:25,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:41:24" (1/3) ... [2020-07-10 14:41:25,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d1fedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:41:25, skipping insertion in model container [2020-07-10 14:41:25,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:41:24" (2/3) ... [2020-07-10 14:41:25,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d1fedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:41:25, skipping insertion in model container [2020-07-10 14:41:25,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:41:25" (3/3) ... [2020-07-10 14:41:25,791 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-07-10 14:41:25,803 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:41:25,812 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:41:25,827 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:41:25,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:41:25,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:41:25,854 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:41:25,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:41:25,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:41:25,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:41:25,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:41:25,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:41:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-07-10 14:41:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-10 14:41:25,881 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:41:25,882 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] [2020-07-10 14:41:25,882 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:41:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:41:25,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1180629641, now seen corresponding path program 1 times [2020-07-10 14:41:25,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:41:25,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185971195] [2020-07-10 14:41:25,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:41:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:41:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:41:26,134 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#(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-30; {52#true} is VALID [2020-07-10 14:41:26,135 INFO L280 TraceCheckUtils]: 1: Hoare triple {52#true} assume true; {52#true} is VALID [2020-07-10 14:41:26,135 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {52#true} {52#true} #143#return; {52#true} is VALID [2020-07-10 14:41:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:41:26,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {52#true} is VALID [2020-07-10 14:41:26,193 INFO L280 TraceCheckUtils]: 1: Hoare triple {52#true} assume !true; {53#false} is VALID [2020-07-10 14:41:26,193 INFO L280 TraceCheckUtils]: 2: Hoare triple {53#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {53#false} is VALID [2020-07-10 14:41:26,194 INFO L280 TraceCheckUtils]: 3: Hoare triple {53#false} assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {53#false} is VALID [2020-07-10 14:41:26,194 INFO L280 TraceCheckUtils]: 4: Hoare triple {53#false} assume true; {53#false} is VALID [2020-07-10 14:41:26,194 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {53#false} {52#true} #139#return; {53#false} is VALID [2020-07-10 14:41:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:41:26,236 INFO L280 TraceCheckUtils]: 0: Hoare triple {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~1; {52#true} is VALID [2020-07-10 14:41:26,238 INFO L280 TraceCheckUtils]: 1: Hoare triple {52#true} assume !true; {53#false} is VALID [2020-07-10 14:41:26,238 INFO L280 TraceCheckUtils]: 2: Hoare triple {53#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647);#res := (if 2139095040 == ~ix~1 then 1 else 0); {53#false} is VALID [2020-07-10 14:41:26,239 INFO L280 TraceCheckUtils]: 3: Hoare triple {53#false} assume true; {53#false} is VALID [2020-07-10 14:41:26,239 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {53#false} {53#false} #141#return; {53#false} is VALID [2020-07-10 14:41:26,242 INFO L263 TraceCheckUtils]: 0: Hoare triple {52#true} call ULTIMATE.init(); {68#(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 14:41:26,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#(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-30; {52#true} is VALID [2020-07-10 14:41:26,243 INFO L280 TraceCheckUtils]: 2: Hoare triple {52#true} assume true; {52#true} is VALID [2020-07-10 14:41:26,244 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {52#true} {52#true} #143#return; {52#true} is VALID [2020-07-10 14:41:26,244 INFO L263 TraceCheckUtils]: 4: Hoare triple {52#true} call #t~ret9 := main(); {52#true} is VALID [2020-07-10 14:41:26,244 INFO L280 TraceCheckUtils]: 5: Hoare triple {52#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {52#true} is VALID [2020-07-10 14:41:26,251 INFO L263 TraceCheckUtils]: 6: Hoare triple {52#true} call #t~ret7 := __ieee754_sqrtf(~x~0); {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:41:26,251 INFO L280 TraceCheckUtils]: 7: Hoare triple {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {52#true} is VALID [2020-07-10 14:41:26,252 INFO L280 TraceCheckUtils]: 8: Hoare triple {52#true} assume !true; {53#false} is VALID [2020-07-10 14:41:26,253 INFO L280 TraceCheckUtils]: 9: Hoare triple {53#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {53#false} is VALID [2020-07-10 14:41:26,253 INFO L280 TraceCheckUtils]: 10: Hoare triple {53#false} assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {53#false} is VALID [2020-07-10 14:41:26,253 INFO L280 TraceCheckUtils]: 11: Hoare triple {53#false} assume true; {53#false} is VALID [2020-07-10 14:41:26,254 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {53#false} {52#true} #139#return; {53#false} is VALID [2020-07-10 14:41:26,255 INFO L280 TraceCheckUtils]: 13: Hoare triple {53#false} ~res~0 := #t~ret7;havoc #t~ret7; {53#false} is VALID [2020-07-10 14:41:26,255 INFO L263 TraceCheckUtils]: 14: Hoare triple {53#false} call #t~ret8 := isinf_float(~res~0); {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:41:26,256 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~1; {52#true} is VALID [2020-07-10 14:41:26,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {52#true} assume !true; {53#false} is VALID [2020-07-10 14:41:26,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {53#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647);#res := (if 2139095040 == ~ix~1 then 1 else 0); {53#false} is VALID [2020-07-10 14:41:26,258 INFO L280 TraceCheckUtils]: 18: Hoare triple {53#false} assume true; {53#false} is VALID [2020-07-10 14:41:26,258 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {53#false} {53#false} #141#return; {53#false} is VALID [2020-07-10 14:41:26,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {53#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {53#false} is VALID [2020-07-10 14:41:26,259 INFO L280 TraceCheckUtils]: 21: Hoare triple {53#false} assume 0 == #t~ret8;havoc #t~ret8; {53#false} is VALID [2020-07-10 14:41:26,260 INFO L280 TraceCheckUtils]: 22: Hoare triple {53#false} assume !false; {53#false} is VALID [2020-07-10 14:41:26,266 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 14:41:26,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185971195] [2020-07-10 14:41:26,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:41:26,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:41:26,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181168243] [2020-07-10 14:41:26,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:41:26,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:41:26,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:41:26,355 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:41:26,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:41:26,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:41:26,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:41:26,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:41:26,368 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 4 states. [2020-07-10 14:41:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:41:26,889 INFO L93 Difference]: Finished difference Result 90 states and 129 transitions. [2020-07-10 14:41:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:41:26,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:41:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:41:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:41:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions. [2020-07-10 14:41:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:41:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 129 transitions. [2020-07-10 14:41:26,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 129 transitions. [2020-07-10 14:41:27,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:41:27,133 INFO L225 Difference]: With dead ends: 90 [2020-07-10 14:41:27,134 INFO L226 Difference]: Without dead ends: 45 [2020-07-10 14:41:27,137 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 14:41:27,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-10 14:41:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-10 14:41:27,214 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:41:27,215 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-10 14:41:27,215 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-10 14:41:27,216 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-10 14:41:27,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:41:27,222 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2020-07-10 14:41:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-07-10 14:41:27,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:41:27,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:41:27,223 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-10 14:41:27,224 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-10 14:41:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:41:27,230 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2020-07-10 14:41:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-07-10 14:41:27,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:41:27,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:41:27,231 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:41:27,231 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:41:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-10 14:41:27,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2020-07-10 14:41:27,237 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 23 [2020-07-10 14:41:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:41:27,237 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-07-10 14:41:27,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:41:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-07-10 14:41:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-10 14:41:27,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:41:27,239 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:41:27,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:41:27,240 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:41:27,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:41:27,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1073387569, now seen corresponding path program 1 times [2020-07-10 14:41:27,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:41:27,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941172265] [2020-07-10 14:41:27,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:41:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:41:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:41:27,437 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:41:27,438 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:41:27,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:41:27,467 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 14:41:27,467 WARN L170 areAnnotationChecker]: isinf_floatENTRY has no Hoare annotation [2020-07-10 14:41:27,467 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: __ieee754_sqrtfENTRY has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-10 14:41:27,468 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 14:41:27,469 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:41:27,470 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-10 14:41:27,471 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 14:41:27,471 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 14:41:27,471 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-10 14:41:27,471 WARN L170 areAnnotationChecker]: isinf_floatFINAL has no Hoare annotation [2020-07-10 14:41:27,471 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: isinf_floatEXIT has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: L106-1 has no Hoare annotation [2020-07-10 14:41:27,472 WARN L170 areAnnotationChecker]: __ieee754_sqrtfFINAL has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: L106-2 has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: L106-2 has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: __ieee754_sqrtfEXIT has no Hoare annotation [2020-07-10 14:41:27,473 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 14:41:27,474 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 14:41:27,474 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-10 14:41:27,474 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-10 14:41:27,474 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:41:27,474 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: L36-3 has no Hoare annotation [2020-07-10 14:41:27,475 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L36-4 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-10 14:41:27,476 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L50-2 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L50-3 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 14:41:27,477 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-10 14:41:27,478 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-10 14:41:27,479 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-10 14:41:27,479 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-10 14:41:27,479 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-10 14:41:27,479 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-10 14:41:27,479 WARN L170 areAnnotationChecker]: L73-3 has no Hoare annotation [2020-07-10 14:41:27,479 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 14:41:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:41:27 BoogieIcfgContainer [2020-07-10 14:41:27,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:41:27,486 INFO L168 Benchmark]: Toolchain (without parser) took 2921.53 ms. Allocated memory was 137.9 MB in the beginning and 233.8 MB in the end (delta: 95.9 MB). Free memory was 101.3 MB in the beginning and 103.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,487 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.43 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 88.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,489 INFO L168 Benchmark]: Boogie Preprocessor took 152.31 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 88.5 MB in the beginning and 178.0 MB in the end (delta: -89.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,490 INFO L168 Benchmark]: RCFGBuilder took 690.92 ms. Allocated memory is still 201.3 MB. Free memory was 178.0 MB in the beginning and 142.3 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,491 INFO L168 Benchmark]: TraceAbstraction took 1699.65 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 142.3 MB in the beginning and 103.4 MB in the end (delta: 38.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:41:27,495 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 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.43 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 88.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.31 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 88.5 MB in the beginning and 178.0 MB in the end (delta: -89.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 690.92 ms. Allocated memory is still 201.3 MB. Free memory was 178.0 MB in the beginning and 142.3 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1699.65 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 142.3 MB in the beginning and 103.4 MB in the end (delta: 38.8 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 27, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=12884901894, \old(tiny_sqrt)=12884901891, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=12884901892, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=12884901892, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [\old(x)=12884901892, ix=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [\old(x)=12884901892, hx=2139095040, ix=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] [L103] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=12884901888, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] [L103] float res = __ieee754_sqrtf(x); [L106] CALL, EXPR isinf_float(res) VAL [\old(x)=12884901888, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L83] __int32_t ix; VAL [\old(x)=12884901888, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901888] [L85] ieee_float_shape_type gf_u; [L86] gf_u.value = (x) [L87] EXPR gf_u.word [L87] (ix) = gf_u.word [L89] ix &= 0x7fffffff [L90] return ((ix) == 0x7f800000L); VAL [\old(x)=12884901888, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=12884901888] [L106] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=12884901888, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] [L106] COND TRUE !isinf_float(res) [L107] __VERIFIER_error() VAL [one_sqrt=1, res=12884901888, tiny_sqrt=1/1000000000000000000000000000000, x=12884901892] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 48 SDslu, 5 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=49occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1342 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...