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_1381.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:00:34,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:00:34,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:00:34,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:00:34,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:00:34,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:00:34,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:00:34,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:00:34,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:00:34,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:00:34,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:00:34,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:00:34,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:00:34,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:00:34,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:00:34,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:00:34,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:00:34,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:00:34,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:00:34,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:00:34,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:00:34,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:00:34,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:00:34,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:00:34,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:00:34,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:00:34,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:00:34,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:00:34,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:00:34,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:00:34,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:00:34,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:00:34,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:00:34,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:00:34,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:00:34,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:00:34,616 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 03:00:34,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:00:34,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:00:34,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:00:34,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:00:34,651 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:00:34,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:00:34,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:00:34,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:00:34,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:00:34,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:00:34,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:00:34,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:00:34,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:00:34,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:00:34,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:00:34,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:00:34,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:00:34,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:00:34,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:00:34,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:00:34,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:00:34,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:00:34,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:00:34,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:00:34,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:00:34,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:00:34,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:00:34,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:00:34,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:00:34,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:00:34,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:00:34,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:00:34,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:00:34,736 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:00:34,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-31 03:00:34,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581dcfa84/9d28a0dabd2d48eaabd8afe9be652f67/FLAG8ccd37b59 [2019-08-31 03:00:35,272 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:00:35,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-31 03:00:35,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581dcfa84/9d28a0dabd2d48eaabd8afe9be652f67/FLAG8ccd37b59 [2019-08-31 03:00:35,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581dcfa84/9d28a0dabd2d48eaabd8afe9be652f67 [2019-08-31 03:00:35,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:00:35,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:00:35,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:00:35,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:00:35,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:00:35,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:00:35" (1/1) ... [2019-08-31 03:00:35,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c97fc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:35, skipping insertion in model container [2019-08-31 03:00:35,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:00:35" (1/1) ... [2019-08-31 03:00:35,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:00:35,739 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:00:35,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:00:35,936 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:00:35,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:00:36,078 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:00:36,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36 WrapperNode [2019-08-31 03:00:36,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:00:36,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:00:36,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:00:36,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:00:36,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:00:36,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:00:36,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:00:36,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:00:36,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:00:36" (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 03:00:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:00:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:00:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2019-08-31 03:00:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-31 03:00:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 03:00:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:00:36,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:00:36,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:00:36,469 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:00:36,469 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-31 03:00:36,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:00:36 BoogieIcfgContainer [2019-08-31 03:00:36,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:00:36,471 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:00:36,471 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:00:36,472 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:00:36,473 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:00:36" (1/1) ... [2019-08-31 03:00:36,505 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:00:36,506 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:00:36,514 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:00:36,523 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:00:36,524 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:00:36,623 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 03:00:36,624 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,656 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,657 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,657 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:00:36,674 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 03:00:36,714 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_19|]} [2019-08-31 03:00:36,725 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 03:00:36,726 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,795 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 03:00:36,796 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,837 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,839 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_16|, |v_#memory_real_15|], 1=[|v_#memory_int_4|]} [2019-08-31 03:00:36,850 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 03:00:36,851 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,890 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,906 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 03:00:36,906 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,953 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 03:00:36,954 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:36,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:36,977 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 03:00:36,977 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:79, output treesize:24 [2019-08-31 03:00:36,999 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_12|], 3=[|v_#valid_20|]} [2019-08-31 03:00:37,037 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,038 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-31 03:00:37,039 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,164 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-08-31 03:00:37,165 INFO L567 ElimStorePlain]: treesize reduction 14, result has 87.2 percent of original size [2019-08-31 03:00:37,196 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-31 03:00:37,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,320 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-08-31 03:00:37,320 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-31 03:00:37,323 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_17|, |v_#memory_real_16|], 1=[|v_#memory_int_8|]} [2019-08-31 03:00:37,332 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 03:00:37,333 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,388 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 03:00:37,389 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,448 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 03:00:37,449 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,474 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,477 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:00:37,478 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:96, output treesize:41 [2019-08-31 03:00:37,498 INFO L392 ElimStorePlain]: Different costs {3=[|v_#length_13|], 6=[|v_#valid_21|]} [2019-08-31 03:00:37,544 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:37,545 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 58 [2019-08-31 03:00:37,546 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,693 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-08-31 03:00:37,694 INFO L567 ElimStorePlain]: treesize reduction 28, result has 79.6 percent of original size [2019-08-31 03:00:37,787 INFO L341 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2019-08-31 03:00:37,788 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 69 [2019-08-31 03:00:37,791 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,927 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-08-31 03:00:37,928 INFO L567 ElimStorePlain]: treesize reduction 28, result has 78.6 percent of original size [2019-08-31 03:00:37,930 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_real_10|]} [2019-08-31 03:00:37,942 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 11 treesize of output 7 [2019-08-31 03:00:37,942 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:37,996 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:38,004 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 03:00:38,004 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:38,049 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:38,055 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 03:00:38,056 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:00:38,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:00:38,087 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-31 03:00:38,088 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:110, output treesize:55 [2019-08-31 03:00:38,131 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:00:38,131 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:00:38,133 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 88#(exists ((|v_copysign_float_~#gf_u~1.base_3| Int) (|v_copysign_float_~#gf_u~0.base_3| Int) (|v_copysign_float_~#sf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= |v_copysign_float_~#gf_u~0.base_3| 0)) (< |v_copysign_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= (select |#length| |v_copysign_float_~#gf_u~1.base_3|) 4) (<= 0 |#NULL.base|) (not (= |v_copysign_float_~#sf_u~0.base_3| 0)) (< |v_copysign_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 0 (select |#valid| |v_copysign_float_~#sf_u~0.base_3|)) (= 0 (select |#valid| |v_copysign_float_~#gf_u~1.base_3|)) (= 4 (select |#length| |v_copysign_float_~#sf_u~0.base_3|)) (= (select |#length| |v_copysign_float_~#gf_u~0.base_3|) 4) (= (select |#valid| |v_copysign_float_~#gf_u~0.base_3|) 0) (= |#NULL.offset| 0) (not (= 0 |v_copysign_float_~#gf_u~1.base_3|)) (< |v_copysign_float_~#gf_u~0.base_3| |#StackHeapBarrier|))) [2019-08-31 03:00:38,147 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:00:38,147 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:00:38,149 INFO L168 Benchmark]: Toolchain (without parser) took 2443.14 ms. Allocated memory was 134.2 MB in the beginning and 227.5 MB in the end (delta: 93.3 MB). Free memory was 89.9 MB in the beginning and 110.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,150 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.48 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.7 MB in the beginning and 177.2 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,151 INFO L168 Benchmark]: Boogie Preprocessor took 46.30 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,152 INFO L168 Benchmark]: RCFGBuilder took 343.54 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 158.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,153 INFO L168 Benchmark]: Sifa took 1675.98 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 110.7 MB in the end (delta: 48.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:00:38,157 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 373.48 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.7 MB in the beginning and 177.2 MB in the end (delta: -87.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.30 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.54 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 158.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 1675.98 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 110.7 MB in the end (delta: 48.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.6s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 44 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 3 DAG_INTERPRETER_EARLY_EXITS, 35 TOOLS_POST_APPLICATIONS, 1.5s 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, 1.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 47 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 11 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, 10 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 4 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, 1.5s CALL_SUMMARIZER_OVERALL_TIME, 1.5s 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, 146 DAG_COMPRESSION_PROCESSED_NODES, 63 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 49]: 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 88#(exists ((|v_copysign_float_~#gf_u~1.base_3| Int) (|v_copysign_float_~#gf_u~0.base_3| Int) (|v_copysign_float_~#sf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= |v_copysign_float_~#gf_u~0.base_3| 0)) (< |v_copysign_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= (select |#length| |v_copysign_float_~#gf_u~1.base_3|) 4) (<= 0 |#NULL.base|) (not (= |v_copysign_float_~#sf_u~0.base_3| 0)) (< |v_copysign_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 0 (select |#valid| |v_copysign_float_~#sf_u~0.base_3|)) (= 0 (select |#valid| |v_copysign_float_~#gf_u~1.base_3|)) (= 4 (select |#length| |v_copysign_float_~#sf_u~0.base_3|)) (= (select |#length| |v_copysign_float_~#gf_u~0.base_3|) 4) (= (select |#valid| |v_copysign_float_~#gf_u~0.base_3|) 0) (= |#NULL.offset| 0) (not (= 0 |v_copysign_float_~#gf_u~1.base_3|)) (< |v_copysign_float_~#gf_u~0.base_3| |#StackHeapBarrier|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...