java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:25:54,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:25:54,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:25:54,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:25:54,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:25:54,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:25:54,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:25:54,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:25:54,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:25:54,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:25:54,331 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:25:54,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:25:54,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:25:54,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:25:54,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:25:54,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:25:54,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:25:54,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:25:54,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:25:54,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:25:54,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:25:54,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:25:54,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:25:54,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:25:54,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:25:54,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:25:54,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:25:54,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:25:54,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:25:54,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:25:54,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:25:54,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:25:54,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:25:54,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:25:54,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:25:54,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:25:54,379 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 [2019-08-18 06:25:54,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:25:54,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:25:54,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:25:54,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:25:54,406 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:25:54,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:25:54,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:25:54,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:25:54,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:25:54,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:25:54,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:25:54,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:25:54,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:25:54,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:25:54,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:25:54,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:25:54,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:25:54,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:25:54,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:25:54,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:25:54,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:25:54,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:25:54,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:25:54,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:25:54,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:25:54,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:25:54,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:25:54,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:25:54,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:25:54,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:25:54,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:25:54,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:25:54,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:25:54,459 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:25:54,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2019-08-18 06:25:54,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e460dffb4/64a9d5df7b4e44d7a7d4109e9c8d4cdc/FLAG02588eb71 [2019-08-18 06:25:54,992 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:25:54,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2019-08-18 06:25:55,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e460dffb4/64a9d5df7b4e44d7a7d4109e9c8d4cdc/FLAG02588eb71 [2019-08-18 06:25:55,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e460dffb4/64a9d5df7b4e44d7a7d4109e9c8d4cdc [2019-08-18 06:25:55,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:25:55,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:25:55,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:55,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:25:55,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:25:55,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e11efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55, skipping insertion in model container [2019-08-18 06:25:55,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:25:55,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:25:55,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:55,581 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:25:55,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:55,727 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:25:55,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55 WrapperNode [2019-08-18 06:25:55,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:55,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:25:55,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:25:55,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:25:55,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:25:55,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:25:55,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:25:55,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:25:55,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55" (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 [2019-08-18 06:25:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:25:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:25:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-18 06:25:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:25:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-18 06:25:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-08-18 06:25:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:25:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:25:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:25:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-18 06:25:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:25:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:25:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:25:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:25:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:25:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:25:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:25:56,200 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:25:56,200 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:25:56,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:56 BoogieIcfgContainer [2019-08-18 06:25:56,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:25:56,209 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:25:56,210 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:25:56,210 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:25:56,211 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:56" (1/1) ... [2019-08-18 06:25:56,224 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:25:56,225 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:25:56,232 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:25:56,240 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:25:56,241 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:25:56,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:25:56,325 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,345 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,346 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:25:56,357 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:25:56,390 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:25:56,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:25:56,405 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:25:56,488 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,544 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,549 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_18|, |v_#memory_int_21|], 1=[|v_#memory_int_13|, |v_#memory_int_14|]} [2019-08-18 06:25:56,566 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:25:56,567 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,609 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,620 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:25:56,620 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,655 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:25:56,675 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,719 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:25:56,721 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:25:56,746 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:25:56,757 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:25:56,773 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:25:56,773 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,822 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:25:56,834 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,883 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,885 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|, |v_#memory_real_19|], 1=[|v_#memory_int_13|, |v_#memory_int_14|]} [2019-08-18 06:25:56,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:25:56,896 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,929 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,938 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:25:56,939 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,978 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,988 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:25:56,989 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,015 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,022 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:25:57,024 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:25:57,048 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:25:57,089 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:25:57,098 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:25:57,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,146 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,154 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:25:57,154 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,181 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,183 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_23|], 1=[|v_#memory_int_4|]} [2019-08-18 06:25:57,190 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:25:57,190 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,216 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,222 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:25:57,223 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,243 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,249 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:25:57,250 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,265 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,267 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:25:57,267 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:25:57,274 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_25|]} [2019-08-18 06:25:57,280 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:25:57,280 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,315 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:25:57,316 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,347 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_21|, |v_#memory_int_24|], 1=[|v_#memory_int_4|]} [2019-08-18 06:25:57,354 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:25:57,355 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,391 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:25:57,392 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,413 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,419 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:25:57,420 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:25:57,438 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:25:57,473 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:25:57,475 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:25:57,477 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 130#(or (exists ((|v___signbit_double_~#gh_u~0.base_3| Int) (v_prenex_2 Int)) (or (and (not (= 0 |v___signbit_double_~#gh_u~0.base_3|)) (= 0 |#NULL.base|) (= main_~y~0 0.0) (= main_~res~0 main_~y~0) (< |v___signbit_double_~#gh_u~0.base_3| |#StackHeapBarrier|) (= (select |#length| |v___signbit_double_~#gh_u~0.base_3|) 8) (= |#NULL.offset| 0) (= (select |#valid| |v___signbit_double_~#gh_u~0.base_3|) 0) (= 0 (select |old(#valid)| 0))) (and (= (select |#valid| v_prenex_2) 0) (= (select |#length| v_prenex_2) 8) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (not (= 0 v_prenex_2)) (= main_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)))) (and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))) [2019-08-18 06:25:57,499 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:25:57,499 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:25:57,502 INFO L168 Benchmark]: Toolchain (without parser) took 2191.04 ms. Allocated memory was 140.0 MB in the beginning and 224.4 MB in the end (delta: 84.4 MB). Free memory was 86.4 MB in the beginning and 152.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,508 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.76 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 176.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,513 INFO L168 Benchmark]: Boogie Preprocessor took 42.12 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,515 INFO L168 Benchmark]: RCFGBuilder took 431.66 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 154.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,519 INFO L168 Benchmark]: Symbolic Interpretation took 1289.98 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,527 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 130#(or (exists ((|v___signbit_double_~#gh_u~0.base_3| Int) (v_prenex_2 Int)) (or (and (not (= 0 |v___signbit_double_~#gh_u~0.base_3|)) (= 0 |#NULL.base|) (= main_~y~0 0.0) (= main_~res~0 main_~y~0) (< |v___signbit_double_~#gh_u~0.base_3| |#StackHeapBarrier|) (= (select |#length| |v___signbit_double_~#gh_u~0.base_3|) 8) (= |#NULL.offset| 0) (= (select |#valid| |v___signbit_double_~#gh_u~0.base_3|) 0) (= 0 (select |old(#valid)| 0))) (and (= (select |#valid| v_prenex_2) 0) (= (select |#length| v_prenex_2) 8) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (not (= 0 v_prenex_2)) (= main_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)))) (and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.76 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 176.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.12 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 431.66 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 154.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1289.98 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...