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_1232a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:25:54,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:25:54,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:25:54,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:25:54,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:25:54,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:25:54,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:25:54,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:25:54,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:25:54,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:25:54,239 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:25:54,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:25:54,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:25:54,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:25:54,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:25:54,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:25:54,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:25:54,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:25:54,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:25:54,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:25:54,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:25:54,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:25:54,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:25:54,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:25:54,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:25:54,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:25:54,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:25:54,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:25:54,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:25:54,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:25:54,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:25:54,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:25:54,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:25:54,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:25:54,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:25:54,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:25:54,265 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 06:25:54,279 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:25:54,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:25:54,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:25:54,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:25:54,281 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:25:54,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:25:54,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:25:54,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:25:54,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:25:54,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:25:54,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:25:54,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:25:54,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:25:54,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:25:54,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:25:54,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:25:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:25:54,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:25:54,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:25:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:25:54,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:25:54,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:25:54,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:25:54,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:25:54,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:25:54,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:25:54,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:25:54,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:25:54,339 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:25:54,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232a.c [2019-08-18 06:25:54,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035f1128f/3c4103298dd84740bda989ee148d4c15/FLAG615c33a28 [2019-08-18 06:25:54,874 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:25:54,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232a.c [2019-08-18 06:25:54,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035f1128f/3c4103298dd84740bda989ee148d4c15/FLAG615c33a28 [2019-08-18 06:25:55,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035f1128f/3c4103298dd84740bda989ee148d4c15 [2019-08-18 06:25:55,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:25:55,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:25:55,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:55,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:25:55,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:25:55,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e3826c 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 06:25:55,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:55" (1/1) ... [2019-08-18 06:25:55,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:25:55,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:25:55,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:55,468 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:25:55,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:55,630 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:25:55,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:55 WrapperNode [2019-08-18 06:25:55,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:55,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:25:55,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:25:55,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:25:55,642 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 06:25:55,642 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 06:25:55,653 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 06:25:55,653 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 06:25:55,664 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 06:25:55,670 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 06:25:55,673 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 06:25:55,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:25:55,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:25:55,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:25:55,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:25:55,678 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 06:25:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:25:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:25:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-18 06:25:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:25:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2019-08-18 06:25:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-08-18 06:25:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:25:55,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:25:55,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:25:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-18 06:25:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:25:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:25:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:25:55,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:25:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:25:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:25:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:25:56,094 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:25:56,094 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:25:56,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:56 BoogieIcfgContainer [2019-08-18 06:25:56,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:25:56,096 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:25:56,097 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:25:56,097 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:25:56,098 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 06:25:56,114 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:25:56,117 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:25:56,131 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:25:56,147 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:25:56,151 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:25:56,252 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 06:25:56,253 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,277 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,277 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,278 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:25:56,291 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:25:56,326 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:25:56,345 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 06:25:56,346 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,433 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 06:25:56,434 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,499 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 06:25:56,511 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 06:25:56,512 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,568 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,582 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 06:25:56,583 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,653 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 06:25:56,655 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,694 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,707 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 06:25:56,708 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,733 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,736 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 06:25:56,740 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:25:56,766 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:25:56,786 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 06:25:56,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,848 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,861 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 06:25:56,862 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:56,926 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 06:25:56,942 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 06:25:56,943 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:56,989 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,002 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 06:25:57,003 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,063 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 06:25:57,064 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,104 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 06:25:57,105 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,131 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,133 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 06:25:57,134 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:25:57,201 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:25:57,223 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 06:25:57,224 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,270 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,280 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 06:25:57,281 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,315 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_23|], 1=[|v_#memory_int_4|]} [2019-08-18 06:25:57,324 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 06:25:57,324 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,363 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 06:25:57,364 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,393 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 06:25:57,393 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,411 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,415 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 06:25:57,416 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:25:57,423 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_25|]} [2019-08-18 06:25:57,431 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 06:25:57,432 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,467 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,476 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 06:25:57,477 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,510 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_21|, |v_#memory_int_24|], 1=[|v_#memory_int_4|]} [2019-08-18 06:25:57,518 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 06:25:57,518 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,557 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 06:25:57,558 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,590 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 06:25:57,590 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:25:57,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:25:57,612 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 06:25:57,613 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:25:57,659 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:25:57,659 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:25:57,663 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 (= (select |#valid| v_prenex_2) 0) (= (select |#length| v_prenex_2) 8) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~x~0 0.0) (not (= 0 v_prenex_2)) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (not (= 0 |v___signbit_double_~#gh_u~0.base_3|)) (= 0 |#NULL.base|) (= main_~x~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 (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))) [2019-08-18 06:25:57,678 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:25:57,678 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:25:57,680 INFO L168 Benchmark]: Toolchain (without parser) took 2415.92 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 88.1 MB in the beginning and 148.8 MB in the end (delta: -60.7 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,681 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.89 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.8 MB in the beginning and 173.6 MB in the end (delta: -85.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,683 INFO L168 Benchmark]: Boogie Preprocessor took 45.04 ms. Allocated memory is still 198.2 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,684 INFO L168 Benchmark]: RCFGBuilder took 419.67 ms. Allocated memory is still 198.2 MB. Free memory was 171.2 MB in the beginning and 151.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,685 INFO L168 Benchmark]: Symbolic Interpretation took 1581.99 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 151.3 MB in the beginning and 148.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:25:57,689 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 (= (select |#valid| v_prenex_2) 0) (= (select |#length| v_prenex_2) 8) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~x~0 0.0) (not (= 0 v_prenex_2)) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (not (= 0 |v___signbit_double_~#gh_u~0.base_3|)) (= 0 |#NULL.base|) (= main_~x~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 (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~x~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 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.89 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.8 MB in the beginning and 173.6 MB in the end (delta: -85.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.04 ms. Allocated memory is still 198.2 MB. Free memory was 173.6 MB in the beginning and 171.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 419.67 ms. Allocated memory is still 198.2 MB. Free memory was 171.2 MB in the beginning and 151.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1581.99 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 151.3 MB in the beginning and 148.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...