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_1232a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:37,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:37,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:37,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:37,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:37,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:37,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:37,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:37,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:37,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:37,073 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:37,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:37,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:37,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:37,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:37,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:37,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:37,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:37,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:37,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:37,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:37,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:37,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:37,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:37,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:37,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:37,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:37,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:37,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:37,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:37,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:37,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:37,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:37,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:37,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:37,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:37,110 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 06:46:37,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:37,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:37,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:37,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:37,126 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:37,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:37,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:37,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:37,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:37,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:37,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:37,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:37,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:37,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:37,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:37,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:37,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:37,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:37,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:37,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:37,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:37,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:37,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:37,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:37,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:37,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:37,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:37,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:37,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:37,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:37,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:37,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:37,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:37,174 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:37,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2019-08-18 06:46:37,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5aefbef7/d5f630251b604cb2a17d1fcb8a873ff4/FLAG29bbe7f7a [2019-08-18 06:46:37,684 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:37,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2019-08-18 06:46:37,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5aefbef7/d5f630251b604cb2a17d1fcb8a873ff4/FLAG29bbe7f7a [2019-08-18 06:46:37,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5aefbef7/d5f630251b604cb2a17d1fcb8a873ff4 [2019-08-18 06:46:37,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:37,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:37,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:37,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:37,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:37,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:37" (1/1) ... [2019-08-18 06:46:37,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8a9806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:37, skipping insertion in model container [2019-08-18 06:46:37,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:37" (1/1) ... [2019-08-18 06:46:37,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:37,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:37,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:37,955 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:37,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:38,087 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:38,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38 WrapperNode [2019-08-18 06:46:38,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:38,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:38,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:38,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:38,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:38,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:38,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:38,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:38,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38" (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 06:46:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-08-18 06:46:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2019-08-18 06:46:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-18 06:46:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:38,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:38,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:38,506 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:46:38,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:38 BoogieIcfgContainer [2019-08-18 06:46:38,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:38,508 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:38,508 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:38,508 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:38,509 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,520 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:46:38,522 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:38,529 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:38,535 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:38,536 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:38,615 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 06:46:38,615 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,654 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,654 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,655 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:46:38,666 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:46:38,694 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:46:38,711 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 06:46:38,712 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,755 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,766 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 06:46:38,767 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,811 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,815 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_17|], 1=[|v_#memory_int_8|]} [2019-08-18 06:46:38,826 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 06:46:38,826 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,870 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 06:46:38,870 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,910 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 [2019-08-18 06:46:38,911 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:38,928 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:38,934 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 06:46:38,935 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:38,953 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:46:38,964 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 06:46:38,965 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,031 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 06:46:39,032 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,065 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_18|, |v_#memory_int_20|], 1=[|v_#memory_int_8|]} [2019-08-18 06:46:39,074 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 06:46:39,075 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,114 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 06:46:39,115 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,136 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,142 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 [2019-08-18 06:46:39,143 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,170 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 06:46:39,171 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:39,241 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:46:39,250 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 06:46:39,250 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,293 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 06:46:39,294 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,329 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_19|, |v_#memory_int_21|], 1=[|v_#memory_int_18|]} [2019-08-18 06:46:39,336 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 06:46:39,337 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,367 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,374 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 06:46:39,375 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,403 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 [2019-08-18 06:46:39,404 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,421 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,425 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 06:46:39,425 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:39,478 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:39,479 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:39,489 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 95#(or (and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (exists ((v_prenex_2 Int) (|v___signbit_float_~#gf_u~1.base_3| Int)) (or (and (= 4 (select |#length| v_prenex_2)) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (not (= v_prenex_2 0)) (= 0 (select |#valid| v_prenex_2)) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0))))) [2019-08-18 06:46:39,504 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:39,504 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:39,506 INFO L168 Benchmark]: Toolchain (without parser) took 1777.23 ms. Allocated memory was 131.6 MB in the beginning and 222.3 MB in the end (delta: 90.7 MB). Free memory was 88.0 MB in the beginning and 195.6 MB in the end (delta: -107.5 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,507 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.29 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 87.6 MB in the beginning and 177.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,509 INFO L168 Benchmark]: Boogie Preprocessor took 37.31 ms. Allocated memory is still 200.3 MB. Free memory was 177.0 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,509 INFO L168 Benchmark]: RCFGBuilder took 381.55 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 155.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,510 INFO L168 Benchmark]: Symbolic Interpretation took 996.26 ms. Allocated memory was 200.3 MB in the beginning and 222.3 MB in the end (delta: 22.0 MB). Free memory was 155.3 MB in the beginning and 195.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:39,514 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 70]: 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 95#(or (and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (exists ((v_prenex_2 Int) (|v___signbit_float_~#gf_u~1.base_3| Int)) (or (and (= 4 (select |#length| v_prenex_2)) (< v_prenex_2 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (not (= v_prenex_2 0)) (= 0 (select |#valid| v_prenex_2)) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (= main_~x~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.29 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 87.6 MB in the beginning and 177.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.31 ms. Allocated memory is still 200.3 MB. Free memory was 177.0 MB in the beginning and 174.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.55 ms. Allocated memory is still 200.3 MB. Free memory was 174.7 MB in the beginning and 155.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 996.26 ms. Allocated memory was 200.3 MB in the beginning and 222.3 MB in the end (delta: 22.0 MB). Free memory was 155.3 MB in the beginning and 195.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...