/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_1032d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:05:25,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:05:25,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:05:25,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:05:25,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:05:25,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:05:25,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:05:25,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:05:25,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:05:25,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:05:25,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:05:25,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:05:25,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:05:25,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:05:25,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:05:25,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:05:25,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:05:25,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:05:25,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:05:25,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:05:25,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:05:25,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:05:25,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:05:25,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:05:25,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:05:25,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:05:25,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:05:25,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:05:25,419 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 22:05:25,437 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:05:25,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:05:25,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:05:25,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:05:25,440 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:05:25,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:05:25,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:05:25,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:05:25,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:05:25,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:05:25,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:05:25,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:05:25,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:05:25,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:05:25,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:05:25,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:05:25,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:25,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:05:25,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:05:25,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:05:25,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:05:25,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:05:25,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:05:25,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:05:25,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:05:25,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:05:25,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:05:25,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:05:25,763 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:05:25,763 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:05:25,764 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2020-07-17 22:05:25,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c22f765/d4765bd354244f889961f2f21f7a8f7e/FLAGb1956e3b5 [2020-07-17 22:05:26,274 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:05:26,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1032d.c [2020-07-17 22:05:26,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c22f765/d4765bd354244f889961f2f21f7a8f7e/FLAGb1956e3b5 [2020-07-17 22:05:26,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69c22f765/d4765bd354244f889961f2f21f7a8f7e [2020-07-17 22:05:26,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:05:26,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:05:26,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:26,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:05:26,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:05:26,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:26" (1/1) ... [2020-07-17 22:05:26,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b6d741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:26, skipping insertion in model container [2020-07-17 22:05:26,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:26" (1/1) ... [2020-07-17 22:05:26,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:05:26,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:05:26,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:26,968 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:05:27,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:27,026 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:05:27,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27 WrapperNode [2020-07-17 22:05:27,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:27,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:05:27,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:05:27,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:05:27,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (1/1) ... [2020-07-17 22:05:27,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:05:27,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:05:27,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:05:27,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:05:27,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (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 22:05:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:05:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:05:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure round_float [2020-07-17 22:05:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-17 22:05:27,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:05:27,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure round_float [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:05:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:05:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:05:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-17 22:05:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:05:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:05:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:05:27,732 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:05:27,733 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-17 22:05:27,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:27 BoogieIcfgContainer [2020-07-17 22:05:27,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:05:27,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:05:27,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:05:27,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:05:27,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:05:26" (1/3) ... [2020-07-17 22:05:27,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c664a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:27, skipping insertion in model container [2020-07-17 22:05:27,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:27" (2/3) ... [2020-07-17 22:05:27,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c664a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:27, skipping insertion in model container [2020-07-17 22:05:27,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:27" (3/3) ... [2020-07-17 22:05:27,746 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032d.c [2020-07-17 22:05:27,757 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:05:27,766 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:05:27,780 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:05:27,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:05:27,802 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:05:27,802 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:05:27,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:05:27,803 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:05:27,803 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:05:27,803 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:05:27,803 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:05:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-17 22:05:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-17 22:05:27,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:27,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:27,828 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:27,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:27,834 INFO L82 PathProgramCache]: Analyzing trace with hash 636729620, now seen corresponding path program 1 times [2020-07-17 22:05:27,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:27,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352700274] [2020-07-17 22:05:27,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:28,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-17 22:05:28,035 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-17 22:05:28,036 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} #85#return; {40#true} is VALID [2020-07-17 22:05:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:28,071 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-17 22:05:28,072 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:28,073 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; {41#false} is VALID [2020-07-17 22:05:28,073 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-17 22:05:28,073 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume 128 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-17 22:05:28,074 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:28,074 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {41#false} {40#true} #89#return; {41#false} is VALID [2020-07-17 22:05:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:28,085 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-17 22:05:28,086 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:28,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-17 22:05:28,087 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:28,087 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {41#false} {41#false} #91#return; {41#false} is VALID [2020-07-17 22:05:28,089 INFO L263 TraceCheckUtils]: 0: Hoare triple {40#true} call ULTIMATE.init(); {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:05:28,090 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-17 22:05:28,090 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-17 22:05:28,091 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} #85#return; {40#true} is VALID [2020-07-17 22:05:28,091 INFO L263 TraceCheckUtils]: 4: Hoare triple {40#true} call #t~ret8 := main(); {40#true} is VALID [2020-07-17 22:05:28,092 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); {40#true} is VALID [2020-07-17 22:05:28,094 INFO L263 TraceCheckUtils]: 6: Hoare triple {40#true} call #t~ret6 := round_float(~x~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:28,094 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-17 22:05:28,096 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:28,097 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; {41#false} is VALID [2020-07-17 22:05:28,097 INFO L280 TraceCheckUtils]: 10: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-17 22:05:28,098 INFO L280 TraceCheckUtils]: 11: Hoare triple {41#false} assume 128 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-17 22:05:28,098 INFO L280 TraceCheckUtils]: 12: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:28,098 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {41#false} {40#true} #89#return; {41#false} is VALID [2020-07-17 22:05:28,099 INFO L280 TraceCheckUtils]: 14: Hoare triple {41#false} ~res~0 := #t~ret6;havoc #t~ret6; {41#false} is VALID [2020-07-17 22:05:28,099 INFO L263 TraceCheckUtils]: 15: Hoare triple {41#false} call #t~ret7 := isinf_float(~res~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:28,100 INFO L280 TraceCheckUtils]: 16: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-17 22:05:28,101 INFO L280 TraceCheckUtils]: 17: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:28,101 INFO L280 TraceCheckUtils]: 18: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-17 22:05:28,101 INFO L280 TraceCheckUtils]: 19: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:28,102 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {41#false} {41#false} #91#return; {41#false} is VALID [2020-07-17 22:05:28,102 INFO L280 TraceCheckUtils]: 21: Hoare triple {41#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {41#false} is VALID [2020-07-17 22:05:28,103 INFO L280 TraceCheckUtils]: 22: Hoare triple {41#false} assume 0 == #t~ret7;havoc #t~ret7; {41#false} is VALID [2020-07-17 22:05:28,103 INFO L280 TraceCheckUtils]: 23: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-17 22:05:28,107 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 22:05:28,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352700274] [2020-07-17 22:05:28,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:05:28,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:05:28,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199634943] [2020-07-17 22:05:28,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-17 22:05:28,120 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:05:28,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:05:28,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:28,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:05:28,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:05:28,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:05:28,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:05:28,186 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2020-07-17 22:05:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:28,578 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2020-07-17 22:05:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:05:28,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-17 22:05:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:05:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-17 22:05:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-17 22:05:28,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 89 transitions. [2020-07-17 22:05:28,750 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:28,776 INFO L225 Difference]: With dead ends: 66 [2020-07-17 22:05:28,777 INFO L226 Difference]: Without dead ends: 33 [2020-07-17 22:05:28,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 22:05:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-17 22:05:28,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-17 22:05:28,865 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:05:28,866 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:28,867 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:28,868 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:28,879 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-07-17 22:05:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-07-17 22:05:28,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:28,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:28,882 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:28,882 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:28,890 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-07-17 22:05:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-07-17 22:05:28,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:28,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:28,896 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:05:28,896 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:05:28,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-17 22:05:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-07-17 22:05:28,910 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 24 [2020-07-17 22:05:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:05:28,910 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-07-17 22:05:28,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:05:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-07-17 22:05:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:05:28,912 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:28,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:28,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:05:28,916 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:28,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:28,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1180797057, now seen corresponding path program 1 times [2020-07-17 22:05:28,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:28,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620433487] [2020-07-17 22:05:28,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:05:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:05:29,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:05:29,152 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:05:29,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: isinf_floatENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: round_floatENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:05:29,179 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:05:29,180 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:05:29,181 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: isinf_floatFINAL has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-17 22:05:29,182 WARN L170 areAnnotationChecker]: isinf_floatEXIT has no Hoare annotation [2020-07-17 22:05:29,185 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:05:29,185 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:05:29,186 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:05:29,187 WARN L170 areAnnotationChecker]: round_floatFINAL has no Hoare annotation [2020-07-17 22:05:29,187 WARN L170 areAnnotationChecker]: L77-2 has no Hoare annotation [2020-07-17 22:05:29,187 WARN L170 areAnnotationChecker]: L77-2 has no Hoare annotation [2020-07-17 22:05:29,187 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-17 22:05:29,189 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-17 22:05:29,189 WARN L170 areAnnotationChecker]: round_floatEXIT has no Hoare annotation [2020-07-17 22:05:29,189 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-17 22:05:29,189 WARN L170 areAnnotationChecker]: L78 has no Hoare annotation [2020-07-17 22:05:29,190 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:05:29,190 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-17 22:05:29,190 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-17 22:05:29,190 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-17 22:05:29,191 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:05:29,191 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 22:05:29,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:05:29 BoogieIcfgContainer [2020-07-17 22:05:29,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:05:29,200 INFO L168 Benchmark]: Toolchain (without parser) took 2545.72 ms. Allocated memory was 143.7 MB in the beginning and 231.2 MB in the end (delta: 87.6 MB). Free memory was 102.0 MB in the beginning and 149.4 MB in the end (delta: -47.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,202 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.30 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 90.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,204 INFO L168 Benchmark]: Boogie Preprocessor took 145.80 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.1 MB in the beginning and 178.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,205 INFO L168 Benchmark]: RCFGBuilder took 563.76 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 149.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,207 INFO L168 Benchmark]: TraceAbstraction took 1456.84 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 149.9 MB in the beginning and 149.4 MB in the end (delta: 512.4 kB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:29,223 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 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.30 ms. Allocated memory is still 143.7 MB. Free memory was 101.6 MB in the beginning and 90.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.80 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.1 MB in the beginning and 178.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.76 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 149.9 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1456.84 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 149.9 MB in the beginning and 149.4 MB in the end (delta: 512.4 kB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 78]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of bitwiseAnd at line 62. Possible FailurePath: [L73] float x = -1.0f / 0.0f; [L74] CALL, EXPR round_float(x) VAL [\old(x)=8589934598] [L12] __uint32_t w; [L14] int exponent_less_127; VAL [\old(x)=8589934598, x=8589934598] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=8589934598, exponent_less_127=128, w=8, x=8589934598] [L24] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=8589934598, exponent_less_127=128, w=8, x=8589934598] [L40] COND TRUE exponent_less_127 == 128 [L42] return x + x; VAL [\old(x)=8589934598, exponent_less_127=128, w=8, x=8589934598] [L74] RET, EXPR round_float(x) VAL [round_float(x)=8589934593, x=8589934598] [L74] float res = round_float(x); [L77] CALL, EXPR isinf_float(res) VAL [\old(x)=8589934593] [L56] __int32_t ix; VAL [\old(x)=8589934593, x=8589934593] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (ix) = gf_u.word [L62] ix &= 0x7fffffff [L63] return ((ix) == 0x7f800000L); VAL [\old(x)=8589934593, \result=0, ix=0, x=8589934593] [L77] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=8589934593, x=8589934598] [L77] COND TRUE !isinf_float(res) [L78] __VERIFIER_error() VAL [res=8589934593, x=8589934598] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 35 SDtfs, 30 SDslu, 5 SDs, 0 SdLazy, 40 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 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...