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_1252b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:26:00,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:26:00,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:26:00,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:26:00,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:26:00,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:26:00,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:26:00,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:26:00,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:26:00,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:26:00,158 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:26:00,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:26:00,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:26:00,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:26:00,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:26:00,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:26:00,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:26:00,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:26:00,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:26:00,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:26:00,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:26:00,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:26:00,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:26:00,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:26:00,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:26:00,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:26:00,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:26:00,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:26:00,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:26:00,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:26:00,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:26:00,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:26:00,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:26:00,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:26:00,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:26:00,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:26:00,185 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 06:26:00,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:26:00,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:26:00,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:26:00,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:26:00,201 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:26:00,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:26:00,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:26:00,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:26:00,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:26:00,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:26:00,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:26:00,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:26:00,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:26:00,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:26:00,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:26:00,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:26:00,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:26:00,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:26:00,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:26:00,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:26:00,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:26:00,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:26:00,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:26:00,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:26:00,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:26:00,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:26:00,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:26:00,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:26:00,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:26:00,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:26:00,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:26:00,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:26:00,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:26:00,251 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:26:00,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2019-08-18 06:26:00,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ccf9480/082182ee306c4e559d2360e009626d21/FLAG860d7f522 [2019-08-18 06:26:00,834 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:26:00,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1252b.c [2019-08-18 06:26:00,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ccf9480/082182ee306c4e559d2360e009626d21/FLAG860d7f522 [2019-08-18 06:26:01,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80ccf9480/082182ee306c4e559d2360e009626d21 [2019-08-18 06:26:01,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:26:01,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:26:01,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:01,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:26:01,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:26:01,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192ed50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01, skipping insertion in model container [2019-08-18 06:26:01,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,163 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:26:01,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:26:01,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:01,410 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:26:01,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:01,567 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:26:01,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01 WrapperNode [2019-08-18 06:26:01,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:01,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:26:01,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:26:01,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:26:01,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:26:01,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:26:01,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:26:01,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:26:01,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (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 06:26:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:26:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:26:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:26:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-08-18 06:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-08-18 06:26:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:26:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:26:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:26:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:26:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:26:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:26:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:26:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:26:02,144 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:26:02,144 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:26:02,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:02 BoogieIcfgContainer [2019-08-18 06:26:02,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:26:02,146 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:26:02,147 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:26:02,147 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:26:02,148 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:02" (1/1) ... [2019-08-18 06:26:02,162 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:26:02,164 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:26:02,171 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:26:02,180 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:26:02,181 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:26:02,269 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 06:26:02,270 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,288 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,289 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,289 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:26:02,300 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:26:02,342 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:26:02,357 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 06:26:02,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,428 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,439 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 06:26:02,440 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,492 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 06:26:02,502 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 06:26:02,503 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,560 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 06:26:02,561 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,596 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,616 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 06:26:02,617 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,655 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,673 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 06:26:02,675 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,699 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 06:26:02,701 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:02,727 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:26:02,740 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 06:26:02,741 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,794 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,806 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 06:26:02,807 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,858 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 06:26:02,867 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 06:26:02,867 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,909 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 06:26:02,910 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,940 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,951 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 06:26:02,952 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,973 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,982 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 06:26:02,983 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,005 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,017 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 06:26:03,018 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:03,074 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:26:03,081 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 06:26:03,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,122 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 06:26:03,123 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,151 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_23|], 1=[|v_#memory_int_4|]} [2019-08-18 06:26:03,159 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 06:26:03,160 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,192 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 06:26:03,193 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,218 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 06:26:03,219 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,236 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 06:26:03,237 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:26:03,242 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_25|]} [2019-08-18 06:26:03,248 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 06:26:03,249 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,285 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 06:26:03,286 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,310 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,312 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_21|, |v_#memory_int_24|], 1=[|v_#memory_int_4|]} [2019-08-18 06:26:03,318 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 06:26:03,319 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,342 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,348 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 06:26:03,348 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,366 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,371 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 06:26:03,372 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,390 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 06:26:03,390 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:26:03,414 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:26:03,414 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:26:03,417 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 129#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (not (= 0 v_prenex_3)) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_3) 0) (= main_~x~0 0.0) (= (select |#length| v_prenex_3) 8) (< v_prenex_3 |#StackHeapBarrier|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 0 |#NULL.base|) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= 0 |#NULL.base|) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (= main_~x~0 0.0) (not (= 0 v_prenex_1)) (= main_~res~0 main_~y~0) (< v_prenex_1 |#StackHeapBarrier|) (= (select |#length| v_prenex_1) 8) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))))) [2019-08-18 06:26:03,427 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:26:03,427 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:26:03,429 INFO L168 Benchmark]: Toolchain (without parser) took 2282.04 ms. Allocated memory was 141.6 MB in the beginning and 231.2 MB in the end (delta: 89.7 MB). Free memory was 90.7 MB in the beginning and 153.4 MB in the end (delta: -62.6 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,430 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.01 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 90.5 MB in the beginning and 177.5 MB in the end (delta: -87.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,432 INFO L168 Benchmark]: Boogie Preprocessor took 47.46 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 175.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,433 INFO L168 Benchmark]: RCFGBuilder took 530.01 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 155.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,434 INFO L168 Benchmark]: Symbolic Interpretation took 1281.10 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 155.8 MB in the beginning and 153.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 85]: 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 129#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (not (= 0 v_prenex_3)) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_3) 0) (= main_~x~0 0.0) (= (select |#length| v_prenex_3) 8) (< v_prenex_3 |#StackHeapBarrier|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 0 |#NULL.base|) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= 0 |#NULL.base|) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (= main_~x~0 0.0) (not (= 0 v_prenex_1)) (= main_~res~0 main_~y~0) (< v_prenex_1 |#StackHeapBarrier|) (= (select |#length| v_prenex_1) 8) (= |#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 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.01 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 90.5 MB in the beginning and 177.5 MB in the end (delta: -87.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.46 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 175.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 530.01 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 155.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1281.10 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 155.8 MB in the beginning and 153.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 75.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...