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_1252b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:38,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:38,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:38,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:38,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:38,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:38,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:38,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:38,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:38,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:38,302 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:38,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:38,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:38,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:38,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:38,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:38,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:38,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:38,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:38,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:38,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:38,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:38,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:38,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:38,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:38,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:38,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:38,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:38,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:38,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:38,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:38,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:38,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:38,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:38,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:38,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:38,330 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 06:46:38,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:38,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:38,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:38,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:38,353 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:38,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:38,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:38,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:38,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:38,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:38,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:38,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:38,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:38,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:38,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:38,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:38,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:38,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:38,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:38,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:38,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:38,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:38,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:38,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:38,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:38,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:38,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:38,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:38,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:38,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:38,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:38,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:38,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:38,408 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:38,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c [2019-08-18 06:46:38,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a0d03b/84bb9d16f49f4b3eb5270cba73dc0301/FLAGa9e1ec867 [2019-08-18 06:46:38,947 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:38,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c [2019-08-18 06:46:38,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a0d03b/84bb9d16f49f4b3eb5270cba73dc0301/FLAGa9e1ec867 [2019-08-18 06:46:39,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955a0d03b/84bb9d16f49f4b3eb5270cba73dc0301 [2019-08-18 06:46:39,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:39,342 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:39,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:39,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:39,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:39,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242c51ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39, skipping insertion in model container [2019-08-18 06:46:39,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,360 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:39,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:39,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,672 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:39,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,883 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:39,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39 WrapperNode [2019-08-18 06:46:39,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:39,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:39,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:39,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:39,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:39,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:39,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:39,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:39,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (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 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-08-18 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2019-08-18 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-18 06:46:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2019-08-18 06:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-18 06:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:40,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:40,416 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:46:40,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:40 BoogieIcfgContainer [2019-08-18 06:46:40,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:40,418 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:40,418 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:40,419 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:40,420 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:40" (1/1) ... [2019-08-18 06:46:40,432 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:46:40,434 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:40,440 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:40,448 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:40,449 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:40,528 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 06:46:40,528 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:46:40,564 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:46:40,593 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:46:40,613 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 06:46:40,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,657 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,668 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 06:46:40,669 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,705 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_17|], 1=[|v_#memory_int_12|]} [2019-08-18 06:46:40,715 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 06:46:40,716 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,745 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,753 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 06:46:40,754 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,795 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 06:46:40,795 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,819 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 06:46:40,820 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:40,834 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:46:40,848 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 06:46:40,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,905 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,927 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 06:46:40,928 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,960 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,962 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_18|, |v_#memory_int_20|], 1=[|v_#memory_int_12|]} [2019-08-18 06:46:40,970 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 06:46:40,971 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,016 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 06:46:41,017 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,042 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,049 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 06:46:41,050 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,069 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 06:46:41,070 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:41,149 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:46:41,159 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 06:46:41,159 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,205 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 06:46:41,205 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,242 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,245 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_19|, |v_#memory_int_21|], 1=[|v_#memory_int_18|]} [2019-08-18 06:46:41,253 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 11 treesize of output 7 [2019-08-18 06:46:41,254 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,285 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,293 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 06:46:41,293 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,325 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 06:46:41,325 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,342 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 06:46:41,342 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:41,379 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:41,379 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:41,382 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 97#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_1)) (= 0 |#NULL.base|) (not (= v_prenex_1 0)) (= main_~x~0 0.0) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (= |#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 (not (= v_prenex_3 0)) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_3)) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (= 4 (select |#length| v_prenex_3)) (< v_prenex_3 |#StackHeapBarrier|) (= |#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)))) [2019-08-18 06:46:41,396 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:41,397 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:41,399 INFO L168 Benchmark]: Toolchain (without parser) took 2056.53 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 85.2 MB in the beginning and 77.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,400 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.35 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 85.0 MB in the beginning and 178.1 MB in the end (delta: -93.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,402 INFO L168 Benchmark]: Boogie Preprocessor took 65.26 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 175.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,402 INFO L168 Benchmark]: RCFGBuilder took 466.96 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 157.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,403 INFO L168 Benchmark]: Symbolic Interpretation took 979.04 ms. Allocated memory is still 200.8 MB. Free memory was 157.1 MB in the beginning and 77.2 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 79]: 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 97#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_1)) (= 0 |#NULL.base|) (not (= v_prenex_1 0)) (= main_~x~0 0.0) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (= |#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 (not (= v_prenex_3 0)) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_3)) (= main_~x~0 0.0) (= main_~res~0 main_~y~0) (= 4 (select |#length| v_prenex_3)) (< v_prenex_3 |#StackHeapBarrier|) (= |#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)))). 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 137.4 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.35 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 85.0 MB in the beginning and 178.1 MB in the end (delta: -93.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.26 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 175.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 466.96 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 157.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 979.04 ms. Allocated memory is still 200.8 MB. Free memory was 157.1 MB in the beginning and 77.2 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...