/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1031.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:10,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:10,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:10,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:10,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:10,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:10,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:10,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:10,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:10,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:10,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:10,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:10,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:10,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:10,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:10,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:10,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:10,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:10,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:10,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:10,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:10,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:10,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:10,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:10,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:10,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:10,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:10,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:10,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:10,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:10,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:10,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:10,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:10,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:10,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:10,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:10,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:10,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:10,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:10,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:10,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:10,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:10,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:10,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:10,214 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:10,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:10,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:10,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:10,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:10,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:10,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:10,216 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:10,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:10,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:10,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:10,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:10,508 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:10,509 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1031.c [2020-07-18 00:13:10,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5780d31ec/18568e9e51f8403490da74f99ab80551/FLAG3e3abd727 [2020-07-18 00:13:11,037 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:11,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1031.c [2020-07-18 00:13:11,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5780d31ec/18568e9e51f8403490da74f99ab80551/FLAG3e3abd727 [2020-07-18 00:13:11,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5780d31ec/18568e9e51f8403490da74f99ab80551 [2020-07-18 00:13:11,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:11,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:11,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:11,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:11,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:11,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2973a9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11, skipping insertion in model container [2020-07-18 00:13:11,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:11,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:11,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:11,656 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:11,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:11,827 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11 WrapperNode [2020-07-18 00:13:11,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:11,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:11,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:11,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:11,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (1/1) ... [2020-07-18 00:13:11,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:11,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:11,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:11,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:11,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (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 [2020-07-18 00:13:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 00:13:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2020-07-18 00:13:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:12,519 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:12,520 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 00:13:12,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:12 BoogieIcfgContainer [2020-07-18 00:13:12,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:12,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:12,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:12,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:12,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:11" (1/3) ... [2020-07-18 00:13:12,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674448e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:12, skipping insertion in model container [2020-07-18 00:13:12,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:11" (2/3) ... [2020-07-18 00:13:12,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674448e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:12, skipping insertion in model container [2020-07-18 00:13:12,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:12" (3/3) ... [2020-07-18 00:13:12,535 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1031.c [2020-07-18 00:13:12,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:12,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:12,571 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:12,595 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:12,595 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:12,596 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:12,596 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:12,597 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:12,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:12,598 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:12,598 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2020-07-18 00:13:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 00:13:12,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:12,631 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, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:12,632 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:12,639 INFO L82 PathProgramCache]: Analyzing trace with hash 69005663, now seen corresponding path program 1 times [2020-07-18 00:13:12,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:12,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144673566] [2020-07-18 00:13:12,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:12,895 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {91#true} is VALID [2020-07-18 00:13:12,896 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} #valid := #valid[0 := 0]; {91#true} is VALID [2020-07-18 00:13:12,896 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} assume 0 < #StackHeapBarrier; {91#true} is VALID [2020-07-18 00:13:12,898 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-18 00:13:12,899 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {91#true} {91#true} #138#return; {91#true} is VALID [2020-07-18 00:13:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:12,944 INFO L280 TraceCheckUtils]: 0: Hoare triple {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {91#true} is VALID [2020-07-18 00:13:12,944 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} havoc ~msw~0; {91#true} is VALID [2020-07-18 00:13:12,945 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} havoc ~exponent_less_1023~0; {91#true} is VALID [2020-07-18 00:13:12,945 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} havoc ~lsw~0; {91#true} is VALID [2020-07-18 00:13:12,946 INFO L280 TraceCheckUtils]: 4: Hoare triple {91#true} assume !true; {92#false} is VALID [2020-07-18 00:13:12,947 INFO L280 TraceCheckUtils]: 5: Hoare triple {92#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {92#false} is VALID [2020-07-18 00:13:12,947 INFO L280 TraceCheckUtils]: 6: Hoare triple {92#false} assume !(~exponent_less_1023~0 < 20); {92#false} is VALID [2020-07-18 00:13:12,948 INFO L280 TraceCheckUtils]: 7: Hoare triple {92#false} assume ~exponent_less_1023~0 > 51; {92#false} is VALID [2020-07-18 00:13:12,948 INFO L280 TraceCheckUtils]: 8: Hoare triple {92#false} assume 1024 == ~exponent_less_1023~0; {92#false} is VALID [2020-07-18 00:13:12,948 INFO L280 TraceCheckUtils]: 9: Hoare triple {92#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {92#false} is VALID [2020-07-18 00:13:12,949 INFO L280 TraceCheckUtils]: 10: Hoare triple {92#false} assume true; {92#false} is VALID [2020-07-18 00:13:12,949 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {92#false} {91#true} #142#return; {92#false} is VALID [2020-07-18 00:13:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:12,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {91#true} ~x := #in~x; {91#true} is VALID [2020-07-18 00:13:12,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {91#true} is VALID [2020-07-18 00:13:12,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-18 00:13:12,962 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {91#true} {92#false} #144#return; {92#false} is VALID [2020-07-18 00:13:12,966 INFO L263 TraceCheckUtils]: 0: Hoare triple {91#true} call ULTIMATE.init(); {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:12,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {91#true} is VALID [2020-07-18 00:13:12,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} #valid := #valid[0 := 0]; {91#true} is VALID [2020-07-18 00:13:12,967 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} assume 0 < #StackHeapBarrier; {91#true} is VALID [2020-07-18 00:13:12,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-18 00:13:12,968 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {91#true} {91#true} #138#return; {91#true} is VALID [2020-07-18 00:13:12,968 INFO L263 TraceCheckUtils]: 6: Hoare triple {91#true} call #t~ret8 := main(); {91#true} is VALID [2020-07-18 00:13:12,968 INFO L280 TraceCheckUtils]: 7: Hoare triple {91#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {91#true} is VALID [2020-07-18 00:13:12,970 INFO L263 TraceCheckUtils]: 8: Hoare triple {91#true} call #t~ret6 := round_double(~x~0); {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:12,971 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {91#true} is VALID [2020-07-18 00:13:12,971 INFO L280 TraceCheckUtils]: 10: Hoare triple {91#true} havoc ~msw~0; {91#true} is VALID [2020-07-18 00:13:12,972 INFO L280 TraceCheckUtils]: 11: Hoare triple {91#true} havoc ~exponent_less_1023~0; {91#true} is VALID [2020-07-18 00:13:12,972 INFO L280 TraceCheckUtils]: 12: Hoare triple {91#true} havoc ~lsw~0; {91#true} is VALID [2020-07-18 00:13:12,973 INFO L280 TraceCheckUtils]: 13: Hoare triple {91#true} assume !true; {92#false} is VALID [2020-07-18 00:13:12,973 INFO L280 TraceCheckUtils]: 14: Hoare triple {92#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {92#false} is VALID [2020-07-18 00:13:12,974 INFO L280 TraceCheckUtils]: 15: Hoare triple {92#false} assume !(~exponent_less_1023~0 < 20); {92#false} is VALID [2020-07-18 00:13:12,974 INFO L280 TraceCheckUtils]: 16: Hoare triple {92#false} assume ~exponent_less_1023~0 > 51; {92#false} is VALID [2020-07-18 00:13:12,974 INFO L280 TraceCheckUtils]: 17: Hoare triple {92#false} assume 1024 == ~exponent_less_1023~0; {92#false} is VALID [2020-07-18 00:13:12,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {92#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {92#false} is VALID [2020-07-18 00:13:12,975 INFO L280 TraceCheckUtils]: 19: Hoare triple {92#false} assume true; {92#false} is VALID [2020-07-18 00:13:12,975 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {92#false} {91#true} #142#return; {92#false} is VALID [2020-07-18 00:13:12,976 INFO L280 TraceCheckUtils]: 21: Hoare triple {92#false} ~res~0 := #t~ret6; {92#false} is VALID [2020-07-18 00:13:12,976 INFO L280 TraceCheckUtils]: 22: Hoare triple {92#false} havoc #t~ret6; {92#false} is VALID [2020-07-18 00:13:12,977 INFO L263 TraceCheckUtils]: 23: Hoare triple {92#false} call #t~ret7 := isnan_double(~res~0); {91#true} is VALID [2020-07-18 00:13:12,977 INFO L280 TraceCheckUtils]: 24: Hoare triple {91#true} ~x := #in~x; {91#true} is VALID [2020-07-18 00:13:12,977 INFO L280 TraceCheckUtils]: 25: Hoare triple {91#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {91#true} is VALID [2020-07-18 00:13:12,978 INFO L280 TraceCheckUtils]: 26: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-18 00:13:12,978 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {91#true} {92#false} #144#return; {92#false} is VALID [2020-07-18 00:13:12,978 INFO L280 TraceCheckUtils]: 28: Hoare triple {92#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {92#false} is VALID [2020-07-18 00:13:12,979 INFO L280 TraceCheckUtils]: 29: Hoare triple {92#false} assume 0 == #t~ret7; {92#false} is VALID [2020-07-18 00:13:12,979 INFO L280 TraceCheckUtils]: 30: Hoare triple {92#false} havoc #t~ret7; {92#false} is VALID [2020-07-18 00:13:12,979 INFO L280 TraceCheckUtils]: 31: Hoare triple {92#false} assume !false; {92#false} is VALID [2020-07-18 00:13:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:13,031 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:13,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144673566] [2020-07-18 00:13:13,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:13,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 00:13:13,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18560968] [2020-07-18 00:13:13,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-18 00:13:13,046 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:13,050 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 00:13:13,067 WARN L140 InductivityCheck]: Transition 91#true ( _ , assume !false; , 92#false ) not inductive [2020-07-18 00:13:13,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:13,068 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.constructInterpolantAutomaton(BasicCegarLoop.java:583) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 00:13:13,073 INFO L168 Benchmark]: Toolchain (without parser) took 1657.25 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 101.2 MB in the end (delta: -319.3 kB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,074 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.95 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 178.6 MB in the end (delta: -78.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,076 INFO L168 Benchmark]: Boogie Preprocessor took 55.76 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 176.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,077 INFO L168 Benchmark]: RCFGBuilder took 641.36 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 138.0 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,078 INFO L168 Benchmark]: TraceAbstraction took 544.05 ms. Allocated memory is still 200.3 MB. Free memory was 138.0 MB in the beginning and 101.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:13,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 409.95 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 178.6 MB in the end (delta: -78.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.76 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 176.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 641.36 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 138.0 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 544.05 ms. Allocated memory is still 200.3 MB. Free memory was 138.0 MB in the beginning and 101.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...