java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:25:59,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:25:59,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:25:59,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:25:59,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:25:59,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:25:59,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:25:59,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:25:59,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:25:59,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:25:59,996 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:26:00,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:26:00,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:26:00,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:26:00,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:26:00,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:26:00,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:26:00,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:26:00,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:26:00,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:26:00,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:26:00,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:26:00,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:26:00,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:26:00,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:26:00,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:26:00,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:26:00,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:26:00,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:26:00,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:26:00,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:26:00,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:26:00,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:26:00,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:26:00,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:26:00,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:26:00,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 06:26:00,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:26:00,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:26:00,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:26:00,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:26:00,066 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:26:00,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:26:00,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:26:00,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:26:00,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:26:00,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:26:00,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:26:00,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:26:00,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:26:00,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:26:00,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:26:00,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:26:00,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:26:00,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:26:00,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:26:00,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:26:00,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:26:00,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:26:00,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:26:00,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:26:00,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:26:00,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:26:00,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:26:00,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:26:00,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:26:00,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:26:00,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:26:00,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:26:00,140 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:26:00,142 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:26:00,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1252a.c [2019-08-18 06:26:00,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739eb0a2c/a5836fbbee8f43c084559d26578b8207/FLAGe52b47014 [2019-08-18 06:26:00,654 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:26:00,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1252a.c [2019-08-18 06:26:00,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739eb0a2c/a5836fbbee8f43c084559d26578b8207/FLAGe52b47014 [2019-08-18 06:26:01,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739eb0a2c/a5836fbbee8f43c084559d26578b8207 [2019-08-18 06:26:01,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:26:01,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:26:01,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:01,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:26:01,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:26:01,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9a8077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01, skipping insertion in model container [2019-08-18 06:26:01,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:26:01,094 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:26:01,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:01,266 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:26:01,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:01,406 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:26:01,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01 WrapperNode [2019-08-18 06:26:01,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:01,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:26:01,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:26:01,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:26:01,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:26:01,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:26:01,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:26:01,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:26:01,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:26:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:26:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:26:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:26:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-08-18 06:26:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-08-18 06:26:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:26:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:26:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:26:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:26:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:26:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:26:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:26:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:26:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-08-18 06:26:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-08-18 06:26:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:26:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:26:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:26:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:26:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:26:01,901 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:26:01,902 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:26:01,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:01 BoogieIcfgContainer [2019-08-18 06:26:01,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:26:01,904 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:26:01,904 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:26:01,904 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:26:01,905 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:01" (1/1) ... [2019-08-18 06:26:01,918 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:26:01,920 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:26:01,928 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:26:01,936 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:26:01,938 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:26:02,020 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:26:02,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,046 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,047 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:26:02,057 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:26:02,090 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 06:26:02,115 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:26:02,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,182 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:26:02,183 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,235 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_18|, |v_#memory_int_21|], 1=[|v_#memory_int_13|, |v_#memory_int_14|]} [2019-08-18 06:26:02,251 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:26:02,251 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,296 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,310 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:26:02,310 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,363 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:02,364 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,426 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:26:02,427 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,447 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,449 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:02,452 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:02,480 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 06:26:02,491 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:26:02,492 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,553 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:26:02,554 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,597 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,600 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|, |v_#memory_real_19|], 1=[|v_#memory_int_13|, |v_#memory_int_14|]} [2019-08-18 06:26:02,609 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:26:02,610 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,652 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:26:02,653 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,685 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,696 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:02,697 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,721 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,735 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:26:02,736 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:02,762 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:02,827 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 06:26:02,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:26:02,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,887 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:26:02,888 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,915 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,918 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_23|], 1=[|v_#memory_int_4|]} [2019-08-18 06:26:02,924 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:26:02,924 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,948 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,954 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:26:02,954 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,973 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:02,979 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:02,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:02,998 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:02,999 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:26:03,005 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_18|], 1=[|v_#valid_25|]} [2019-08-18 06:26:03,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:26:03,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,041 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,048 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:26:03,049 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,075 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,076 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_21|, |v_#memory_int_24|], 1=[|v_#memory_int_4|]} [2019-08-18 06:26:03,083 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:26:03,084 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,114 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:26:03,115 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,138 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:03,139 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:03,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:03,156 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:03,156 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:28 [2019-08-18 06:26:03,181 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:26:03,181 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:26:03,184 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 129#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (not (= 0 v_prenex_1)) (= main_~y~0 0.0) (< v_prenex_1 |#StackHeapBarrier|) (= (select |#length| v_prenex_1) 8) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (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 (= 0 v_prenex_3)) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_3) 0) (= (select |#length| v_prenex_3) 8) (= main_~y~0 0.0) (= main_~res~0 main_~y~0) (< 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)))) [2019-08-18 06:26:03,197 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:26:03,198 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:26:03,200 INFO L168 Benchmark]: Toolchain (without parser) took 2139.82 ms. Allocated memory was 133.7 MB in the beginning and 226.0 MB in the end (delta: 92.3 MB). Free memory was 89.6 MB in the beginning and 152.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,201 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.73 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 175.7 MB in the end (delta: -86.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,203 INFO L168 Benchmark]: Boogie Preprocessor took 42.10 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 173.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,208 INFO L168 Benchmark]: RCFGBuilder took 453.36 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 153.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,210 INFO L168 Benchmark]: Symbolic Interpretation took 1294.23 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 153.9 MB in the beginning and 152.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:03,214 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 129#(exists ((v_prenex_3 Int) (v_prenex_1 Int)) (or (and (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (not (= 0 v_prenex_1)) (= main_~y~0 0.0) (< v_prenex_1 |#StackHeapBarrier|) (= (select |#length| v_prenex_1) 8) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= main_~res~0 main_~x~0)) (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 (= 0 v_prenex_3)) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_3) 0) (= (select |#length| v_prenex_3) 8) (= main_~y~0 0.0) (= main_~res~0 main_~y~0) (< 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)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 346.73 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 175.7 MB in the end (delta: -86.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.10 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 173.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 453.36 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 153.9 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1294.23 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 153.9 MB in the beginning and 152.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...