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_1252a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:38,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:38,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:38,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:38,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:38,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:38,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:38,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:38,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:38,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:38,494 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:38,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:38,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:38,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:38,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:38,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:38,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:38,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:38,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:38,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:38,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:38,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:38,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:38,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:38,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:38,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:38,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:38,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:38,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:38,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:38,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:38,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:38,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:38,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:38,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:38,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:38,520 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 06:46:38,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:38,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:38,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:38,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:38,537 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:38,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:38,537 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:38,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:38,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:38,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:38,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:38,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:38,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:38,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:38,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:38,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:38,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:38,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:38,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:38,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:38,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:38,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:38,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:38,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:38,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:38,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:38,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:38,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:38,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:38,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:38,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:38,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:38,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:38,586 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:38,587 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1252a.c [2019-08-18 06:46:38,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f594df7e/f21e1f581df14df182fde061df26b589/FLAG8af60f203 [2019-08-18 06:46:39,106 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:39,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1252a.c [2019-08-18 06:46:39,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f594df7e/f21e1f581df14df182fde061df26b589/FLAG8af60f203 [2019-08-18 06:46:39,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f594df7e/f21e1f581df14df182fde061df26b589 [2019-08-18 06:46:39,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:39,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:39,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:39,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:39,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:39,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4aaaae 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 06:46:39,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:39,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:39,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,816 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:39,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,982 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:39,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39 WrapperNode [2019-08-18 06:46:39,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:39,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:39,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:39,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:39,998 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 06:46:39,998 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 06:46:40,009 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 06:46:40,009 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 06:46:40,020 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 06:46:40,025 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 06:46:40,027 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 06:46:40,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:40,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:40,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:40,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:40,037 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 06:46:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-08-18 06:46:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2019-08-18 06:46:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-18 06:46:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:40,515 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:40,515 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:46:40,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:40 BoogieIcfgContainer [2019-08-18 06:46:40,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:40,518 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:40,518 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:40,518 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:40,519 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 06:46:40,531 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:46:40,534 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:40,541 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:40,550 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:40,552 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:40,640 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 06:46:40,641 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,663 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,664 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,664 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:46:40,676 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:46:40,704 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:46:40,732 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 06:46:40,732 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,782 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,794 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 06:46:40,795 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,834 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,837 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_17|], 1=[|v_#memory_int_12|]} [2019-08-18 06:46:40,845 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 06:46:40,846 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,893 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 06:46:40,894 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,930 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 06:46:40,931 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,956 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 06:46:40,957 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:40,967 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:46:40,975 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 06:46:40,976 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,014 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,027 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 06:46:41,028 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,065 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_18|, |v_#memory_int_20|], 1=[|v_#memory_int_12|]} [2019-08-18 06:46:41,073 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 06:46:41,073 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,102 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,111 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 06:46:41,111 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,141 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 06:46:41,142 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,156 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,158 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 06:46:41,159 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:41,200 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:46:41,211 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 06:46:41,211 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,258 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 06:46:41,259 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,295 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_19|, |v_#memory_int_21|], 1=[|v_#memory_int_18|]} [2019-08-18 06:46:41,302 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 06:46:41,302 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,330 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,338 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 06:46:41,338 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 06:46:41,372 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,399 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 06:46:41,400 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:41,410 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_25|]} [2019-08-18 06:46:41,419 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 06:46:41,420 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,464 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,475 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 06:46:41,475 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,504 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_22|], 1=[|v_#memory_int_18|]} [2019-08-18 06:46:41,511 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 06:46:41,511 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,551 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 06:46:41,551 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,577 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 06:46:41,577 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:41,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:41,592 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 06:46:41,593 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:41,626 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:41,627 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:41,630 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 96#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 0 |#NULL.base|) (= main_~y~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_~y~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_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 4 (select |#length| v_prenex_1)) (= 0 |#NULL.base|) (not (= v_prenex_1 0)) (= main_~y~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)))) [2019-08-18 06:46:41,648 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:41,649 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:41,654 INFO L168 Benchmark]: Toolchain (without parser) took 2161.62 ms. Allocated memory was 131.1 MB in the beginning and 219.7 MB in the end (delta: 88.6 MB). Free memory was 85.2 MB in the beginning and 172.9 MB in the end (delta: -87.6 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,655 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.60 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 85.0 MB in the beginning and 175.5 MB in the end (delta: -90.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,657 INFO L168 Benchmark]: Boogie Preprocessor took 49.24 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 173.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,657 INFO L168 Benchmark]: RCFGBuilder took 484.26 ms. Allocated memory is still 199.8 MB. Free memory was 173.6 MB in the beginning and 155.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,658 INFO L168 Benchmark]: Symbolic Interpretation took 1134.12 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 155.0 MB in the beginning and 172.9 MB in the end (delta: -17.9 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:41,662 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 96#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 0 |#NULL.base|) (= main_~y~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_~y~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_~y~0 0.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (and (= 4 (select |#length| v_prenex_1)) (= 0 |#NULL.base|) (not (= v_prenex_1 0)) (= main_~y~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)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 489.60 ms. Allocated memory was 131.1 MB in the beginning and 199.8 MB in the end (delta: 68.7 MB). Free memory was 85.0 MB in the beginning and 175.5 MB in the end (delta: -90.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.24 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 173.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.26 ms. Allocated memory is still 199.8 MB. Free memory was 173.6 MB in the beginning and 155.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1134.12 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 155.0 MB in the beginning and 172.9 MB in the end (delta: -17.9 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...