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-fab3c18 [2019-08-22 21:42:03,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:42:03,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:42:03,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:42:03,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:42:03,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:42:03,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:42:03,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:42:03,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:42:03,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:42:03,144 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:42:03,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:42:03,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:42:03,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:42:03,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:42:03,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:42:03,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:42:03,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:42:03,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:42:03,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:42:03,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:42:03,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:42:03,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:42:03,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:42:03,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:42:03,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:42:03,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:42:03,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:42:03,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:42:03,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:42:03,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:42:03,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:42:03,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:42:03,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:42:03,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:42:03,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:42:03,170 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 [2019-08-22 21:42:03,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:42:03,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:42:03,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:42:03,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:42:03,185 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:42:03,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:42:03,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:42:03,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:42:03,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:42:03,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:42:03,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:42:03,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:42:03,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:42:03,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:42:03,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:42:03,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:42:03,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:42:03,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:42:03,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:42:03,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:42:03,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:42:03,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:42:03,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:42:03,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:42:03,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:42:03,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:42:03,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:42:03,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:42:03,242 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:42:03,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-22 21:42:03,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09259281a/c0924b1039f0467f838c15525135430c/FLAGb53520ab1 [2019-08-22 21:42:03,771 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:42:03,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-22 21:42:03,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09259281a/c0924b1039f0467f838c15525135430c/FLAGb53520ab1 [2019-08-22 21:42:04,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09259281a/c0924b1039f0467f838c15525135430c [2019-08-22 21:42:04,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:42:04,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:42:04,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:42:04,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:42:04,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:42:04,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4daaf74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04, skipping insertion in model container [2019-08-22 21:42:04,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,170 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:42:04,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:42:04,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:42:04,370 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:42:04,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:42:04,503 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:42:04,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04 WrapperNode [2019-08-22 21:42:04,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:42:04,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:42:04,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:42:04,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:42:04,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:42:04,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:42:04,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:42:04,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:42:04,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:04" (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 [2019-08-22 21:42:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:42:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:42:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2019-08-22 21:42:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-22 21:42:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:42:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:42:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:42:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:42:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-22 21:42:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:42:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:42:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:42:04,868 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:42:04,869 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-22 21:42:04,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:04 BoogieIcfgContainer [2019-08-22 21:42:04,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:42:04,871 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:42:04,871 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:42:04,871 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:42:04,872 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:04" (1/1) ... [2019-08-22 21:42:04,889 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:42:04,892 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:42:04,898 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:42:04,908 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:42:04,910 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:42:05,012 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 [2019-08-22 21:42:05,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,049 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:42:05,070 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-22 21:42:05,112 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_19|]} [2019-08-22 21:42:05,136 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 [2019-08-22 21:42:05,137 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,198 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 [2019-08-22 21:42:05,199 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,241 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,244 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_16|, |v_#memory_real_15|], 1=[|v_#memory_int_4|]} [2019-08-22 21:42:05,253 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 [2019-08-22 21:42:05,253 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,297 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 [2019-08-22 21:42:05,297 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,349 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 [2019-08-22 21:42:05,349 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,377 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. [2019-08-22 21:42:05,378 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:79, output treesize:24 [2019-08-22 21:42:05,399 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_12|], 3=[|v_#valid_20|]} [2019-08-22 21:42:05,429 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,429 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 [2019-08-22 21:42:05,431 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,558 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-08-22 21:42:05,559 INFO L567 ElimStorePlain]: treesize reduction 14, result has 87.2 percent of original size [2019-08-22 21:42:05,592 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,593 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 [2019-08-22 21:42:05,595 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,714 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-08-22 21:42:05,714 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-22 21:42:05,717 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_17|, |v_#memory_real_16|], 1=[|v_#memory_int_8|]} [2019-08-22 21:42:05,727 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 [2019-08-22 21:42:05,728 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,771 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,781 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 [2019-08-22 21:42:05,781 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,822 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,831 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 [2019-08-22 21:42:05,832 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:05,862 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,865 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. [2019-08-22 21:42:05,866 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:96, output treesize:41 [2019-08-22 21:42:05,899 INFO L392 ElimStorePlain]: Different costs {3=[|v_#length_13|], 6=[|v_#valid_21|]} [2019-08-22 21:42:05,962 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:05,963 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 [2019-08-22 21:42:05,964 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:06,102 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-08-22 21:42:06,102 INFO L567 ElimStorePlain]: treesize reduction 28, result has 79.6 percent of original size [2019-08-22 21:42:06,187 INFO L341 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2019-08-22 21:42:06,188 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 [2019-08-22 21:42:06,190 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:06,309 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-08-22 21:42:06,309 INFO L567 ElimStorePlain]: treesize reduction 28, result has 78.6 percent of original size [2019-08-22 21:42:06,311 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_real_10|]} [2019-08-22 21:42:06,318 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 [2019-08-22 21:42:06,318 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:06,368 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:06,375 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 [2019-08-22 21:42:06,376 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:06,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:06,425 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 [2019-08-22 21:42:06,426 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:42:06,459 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:42:06,461 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. [2019-08-22 21:42:06,462 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:110, output treesize:55 [2019-08-22 21:42:06,492 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:42:06,492 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:42:06,494 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 145#(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|))) [2019-08-22 21:42:06,511 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:42:06,511 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:42:06,513 INFO L168 Benchmark]: Toolchain (without parser) took 2360.00 ms. Allocated memory was 138.4 MB in the beginning and 219.7 MB in the end (delta: 81.3 MB). Free memory was 86.1 MB in the beginning and 112.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:42:06,517 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:42:06,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.43 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.7 MB in the beginning and 177.1 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:42:06,520 INFO L168 Benchmark]: Boogie Preprocessor took 44.04 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:42:06,520 INFO L168 Benchmark]: RCFGBuilder took 321.01 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:42:06,521 INFO L168 Benchmark]: Symbolic Interpretation took 1640.75 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 158.1 MB in the beginning and 112.1 MB in the end (delta: 46.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:42:06,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 145#(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: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 350.43 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.7 MB in the beginning and 177.1 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.04 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.01 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1640.75 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 158.1 MB in the beginning and 112.1 MB in the end (delta: 46.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...