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/float_req_bl_1052c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 02:45:39,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 02:45:39,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 02:45:39,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 02:45:39,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 02:45:39,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 02:45:39,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 02:45:39,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 02:45:39,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 02:45:39,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 02:45:39,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 02:45:39,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 02:45:39,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 02:45:39,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 02:45:39,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 02:45:39,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 02:45:39,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 02:45:39,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 02:45:39,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 02:45:39,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 02:45:39,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 02:45:39,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 02:45:39,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 02:45:39,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 02:45:39,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 02:45:39,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 02:45:39,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 02:45:39,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 02:45:39,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 02:45:39,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 02:45:39,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 02:45:39,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 02:45:39,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 02:45:39,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 02:45:39,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 02:45:39,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 02:45:39,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 02:45:39,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 02:45:39,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 02:45:39,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 02:45:39,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 02:45:39,453 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 [2019-08-31 02:45:39,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 02:45:39,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 02:45:39,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 02:45:39,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 02:45:39,468 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 02:45:39,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 02:45:39,469 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 02:45:39,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 02:45:39,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 02:45:39,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 02:45:39,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 02:45:39,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 02:45:39,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 02:45:39,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 02:45:39,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 02:45:39,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 02:45:39,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 02:45:39,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 02:45:39,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 02:45:39,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 02:45:39,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 02:45:39,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 02:45:39,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 02:45:39,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 02:45:39,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 02:45:39,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 02:45:39,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 02:45:39,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 02:45:39,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 02:45:39,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 02:45:39,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 02:45:39,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 02:45:39,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 02:45:39,522 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 02:45:39,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052c.c [2019-08-31 02:45:39,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b935244b/2b339d7658174387b98cd8776ca132f5/FLAG2dfd0a217 [2019-08-31 02:45:40,033 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 02:45:40,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052c.c [2019-08-31 02:45:40,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b935244b/2b339d7658174387b98cd8776ca132f5/FLAG2dfd0a217 [2019-08-31 02:45:40,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b935244b/2b339d7658174387b98cd8776ca132f5 [2019-08-31 02:45:40,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 02:45:40,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 02:45:40,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:40,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 02:45:40,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 02:45:40,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e2b1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40, skipping insertion in model container [2019-08-31 02:45:40,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,450 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 02:45:40,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 02:45:40,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:40,699 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 02:45:40,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:40,853 INFO L192 MainTranslator]: Completed translation [2019-08-31 02:45:40,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40 WrapperNode [2019-08-31 02:45:40,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:40,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 02:45:40,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 02:45:40,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 02:45:40,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (1/1) ... [2019-08-31 02:45:40,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 02:45:40,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 02:45:40,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 02:45:40,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 02:45:40,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:40" (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 [2019-08-31 02:45:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 02:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 02:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-08-31 02:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-31 02:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 02:45:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 02:45:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-08-31 02:45:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 02:45:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-31 02:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 02:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 02:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 02:45:41,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 02:45:41,334 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-31 02:45:41,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:41 BoogieIcfgContainer [2019-08-31 02:45:41,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 02:45:41,336 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 02:45:41,336 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 02:45:41,336 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 02:45:41,337 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:41" (1/1) ... [2019-08-31 02:45:41,369 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 02:45:41,369 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 02:45:41,376 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 02:45:41,384 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 02:45:41,385 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 02:45:41,476 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 [2019-08-31 02:45:41,476 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:41,495 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,495 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-31 02:45:41,511 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 29 for LOIs [2019-08-31 02:45:41,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 02:45:41,569 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_21|]} [2019-08-31 02:45:41,599 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 87 treesize of output 86 [2019-08-31 02:45:41,600 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,616 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 90 treesize of output 89 [2019-08-31 02:45:41,617 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,734 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-31 02:45:41,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:41,751 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 86 treesize of output 83 [2019-08-31 02:45:41,753 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,775 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 89 treesize of output 86 [2019-08-31 02:45:41,776 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:41,866 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_int_7|]} [2019-08-31 02:45:41,877 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 83 treesize of output 68 [2019-08-31 02:45:41,877 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,887 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 80 treesize of output 65 [2019-08-31 02:45:41,888 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:41,980 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 65 treesize of output 61 [2019-08-31 02:45:41,981 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:41,996 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 68 treesize of output 64 [2019-08-31 02:45:41,997 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 61 treesize of output 38 [2019-08-31 02:45:42,099 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:42,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 41 [2019-08-31 02:45:42,115 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:42,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,182 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 02:45:42,183 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-31 02:45:42,488 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_22|]} [2019-08-31 02:45:42,494 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 [2019-08-31 02:45:42,495 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,519 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,525 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 [2019-08-31 02:45:42,526 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,551 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_18|], 1=[|v_#memory_real_4|]} [2019-08-31 02:45:42,557 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 11 treesize of output 7 [2019-08-31 02:45:42,557 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,580 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,589 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 [2019-08-31 02:45:42,589 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,612 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 3 [2019-08-31 02:45:42,612 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,622 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,624 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. [2019-08-31 02:45:42,625 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-31 02:45:42,646 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_23|]} [2019-08-31 02:45:42,652 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 [2019-08-31 02:45:42,653 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,680 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,686 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 [2019-08-31 02:45:42,687 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,717 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|, |v_#memory_real_19|], 1=[|v_#memory_int_17|]} [2019-08-31 02:45:42,723 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 [2019-08-31 02:45:42,724 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,749 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 [2019-08-31 02:45:42,749 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,767 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,772 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 3 [2019-08-31 02:45:42,772 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:42,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:42,786 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. [2019-08-31 02:45:42,787 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-31 02:45:42,804 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 02:45:42,805 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 02:45:42,807 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 196#(or (exists ((|v___signbit_float_~#gf_u~1.base_3| Int)) (and (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (<= |#NULL.base| 0) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))) [2019-08-31 02:45:42,821 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 02:45:42,821 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 02:45:42,823 INFO L168 Benchmark]: Toolchain (without parser) took 2389.26 ms. Allocated memory was 133.7 MB in the beginning and 227.5 MB in the end (delta: 93.8 MB). Free memory was 89.2 MB in the beginning and 123.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,824 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.27 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 89.0 MB in the beginning and 177.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,826 INFO L168 Benchmark]: Boogie Preprocessor took 41.65 ms. Allocated memory is still 201.9 MB. Free memory was 177.8 MB in the beginning and 175.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,827 INFO L168 Benchmark]: RCFGBuilder took 438.04 ms. Allocated memory is still 201.9 MB. Free memory was 175.4 MB in the beginning and 156.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,828 INFO L168 Benchmark]: Sifa took 1485.74 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 155.5 MB in the beginning and 123.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:42,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.27 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 89.0 MB in the beginning and 177.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.65 ms. Allocated memory is still 201.9 MB. Free memory was 177.8 MB in the beginning and 175.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 438.04 ms. Allocated memory is still 201.9 MB. Free memory was 175.4 MB in the beginning and 156.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Sifa took 1485.74 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 155.5 MB in the beginning and 123.9 MB in the end (delta: 31.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.4s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 81 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 70 TOOLS_POST_APPLICATIONS, 1.2s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 84 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 27 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 3 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 18 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 3 LOOP_SUMMARIZER_APPLICATIONS, 3 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 3 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 1.3s CALL_SUMMARIZER_OVERALL_TIME, 1.3s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 389 DAG_COMPRESSION_PROCESSED_NODES, 111 DAG_COMPRESSION_RETAINED_NODES - 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 196#(or (exists ((|v___signbit_float_~#gf_u~1.base_3| Int)) (and (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (<= |#NULL.base| 0) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...