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_1052a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:09,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:09,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:09,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:09,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:09,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:09,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:09,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:09,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:09,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:09,894 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:09,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:09,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:09,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:09,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:09,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:09,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:09,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:09,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:09,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:09,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:09,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:09,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:09,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:09,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:09,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:09,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:09,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:09,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:09,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:09,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:09,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:09,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:09,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:09,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:09,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:09,926 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 06:46:09,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:09,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:09,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:09,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:09,954 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:09,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:09,955 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:09,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:09,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:09,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:09,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:09,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:09,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:09,956 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:09,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:09,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:09,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:09,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:09,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:09,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:09,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:09,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:09,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:09,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:09,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:09,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:09,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:09,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:09,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:09,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:10,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:10,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:10,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:10,007 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:10,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052a.c [2019-08-18 06:46:10,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598f16fa2/50d7aefcdc564595bac1a6ee95e0b4bd/FLAGfb26a9705 [2019-08-18 06:46:10,504 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:10,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052a.c [2019-08-18 06:46:10,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598f16fa2/50d7aefcdc564595bac1a6ee95e0b4bd/FLAGfb26a9705 [2019-08-18 06:46:10,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/598f16fa2/50d7aefcdc564595bac1a6ee95e0b4bd [2019-08-18 06:46:10,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:10,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:10,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:10,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:10,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:10,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:10" (1/1) ... [2019-08-18 06:46:10,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26516bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:10, skipping insertion in model container [2019-08-18 06:46:10,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:10" (1/1) ... [2019-08-18 06:46:10,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:10,904 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:11,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:11,209 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:11,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:11,410 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:11,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11 WrapperNode [2019-08-18 06:46:11,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:11,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:11,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:11,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:11,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:11,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:11,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:11,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:11,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:11" (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 06:46:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-08-18 06:46:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-08-18 06:46:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-08-18 06:46:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:11,946 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:11,947 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 06:46:11,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:11 BoogieIcfgContainer [2019-08-18 06:46:11,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:11,948 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:11,948 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:11,949 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:11,949 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:11" (1/1) ... [2019-08-18 06:46:11,962 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:46:11,964 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:11,971 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:11,980 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:11,982 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:12,071 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 06:46:12,071 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,100 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,100 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,101 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-18 06:46:12,113 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:46:12,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:46:12,174 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_21|]} [2019-08-18 06:46:12,195 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 87 treesize of output 86 [2019-08-18 06:46:12,196 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,214 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 90 treesize of output 89 [2019-08-18 06:46:12,215 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,352 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-18 06:46:12,353 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,378 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 89 treesize of output 86 [2019-08-18 06:46:12,380 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,398 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 86 treesize of output 83 [2019-08-18 06:46:12,401 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,507 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-18 06:46:12,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,511 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_int_11|]} [2019-08-18 06:46:12,525 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 83 treesize of output 68 [2019-08-18 06:46:12,526 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,536 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 80 treesize of output 65 [2019-08-18 06:46:12,537 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,616 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 65 treesize of output 61 [2019-08-18 06:46:12,617 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,627 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 68 treesize of output 64 [2019-08-18 06:46:12,628 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:12,698 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,709 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 64 treesize of output 41 [2019-08-18 06:46:12,711 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:46:12,719 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 61 treesize of output 38 [2019-08-18 06:46:12,721 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:46:12,791 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:12,795 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-18 06:46:12,796 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-18 06:46:13,083 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_22|]} [2019-08-18 06:46:13,090 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 06:46:13,090 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,122 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 06:46:13,122 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,144 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,145 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_18|], 1=[|v_#memory_real_7|]} [2019-08-18 06:46:13,150 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 06:46:13,151 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,176 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 06:46:13,177 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,197 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 06:46:13,198 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,208 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,209 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 06:46:13,210 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-18 06:46:13,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:46:13,223 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_23|]} [2019-08-18 06:46:13,233 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 90 treesize of output 89 [2019-08-18 06:46:13,233 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,243 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 87 treesize of output 86 [2019-08-18 06:46:13,243 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,347 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 86 treesize of output 83 [2019-08-18 06:46:13,348 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,360 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 89 treesize of output 86 [2019-08-18 06:46:13,361 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,441 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,443 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|, |v_#memory_real_19|], 1=[|v_#memory_int_4|]} [2019-08-18 06:46:13,450 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 83 treesize of output 68 [2019-08-18 06:46:13,451 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,458 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 80 treesize of output 65 [2019-08-18 06:46:13,459 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,533 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,541 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 65 treesize of output 61 [2019-08-18 06:46:13,542 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,549 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 68 treesize of output 64 [2019-08-18 06:46:13,550 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:13,616 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,625 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 61 treesize of output 38 [2019-08-18 06:46:13,627 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:46:13,633 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 64 treesize of output 41 [2019-08-18 06:46:13,634 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:46:13,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:13,689 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-18 06:46:13,690 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-18 06:46:13,703 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:13,703 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:13,706 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 202#(exists ((v_prenex_38 Int) (|v_isinf_float_~#gf_u~1.base_3| Int)) (or (and (< v_prenex_38 |#StackHeapBarrier|) (= 4 (select |#length| v_prenex_38)) (not (= 0 v_prenex_38)) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_38)) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (= 0 (select |old(#valid)| 0))) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_isinf_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0) (not (= 0 |v_isinf_float_~#gf_u~1.base_3|)) (= ~huge_floor~0 1000000000000000000000000000000.0) (= 0 (select |old(#valid)| 0)) (< |v_isinf_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= 4 (select |#length| |v_isinf_float_~#gf_u~1.base_3|))))) [2019-08-18 06:46:13,716 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:13,717 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:13,718 INFO L168 Benchmark]: Toolchain (without parser) took 2860.27 ms. Allocated memory was 137.9 MB in the beginning and 219.7 MB in the end (delta: 81.8 MB). Free memory was 84.1 MB in the beginning and 89.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,719 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 102.8 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.92 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 83.9 MB in the beginning and 176.3 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,721 INFO L168 Benchmark]: Boogie Preprocessor took 84.03 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,722 INFO L168 Benchmark]: RCFGBuilder took 449.69 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 155.4 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,723 INFO L168 Benchmark]: Symbolic Interpretation took 1768.54 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 155.4 MB in the beginning and 89.3 MB in the end (delta: 66.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:13,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 80]: 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 202#(exists ((v_prenex_38 Int) (|v_isinf_float_~#gf_u~1.base_3| Int)) (or (and (< v_prenex_38 |#StackHeapBarrier|) (= 4 (select |#length| v_prenex_38)) (not (= 0 v_prenex_38)) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_38)) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (= 0 (select |old(#valid)| 0))) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_isinf_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0) (not (= 0 |v_isinf_float_~#gf_u~1.base_3|)) (= ~huge_floor~0 1000000000000000000000000000000.0) (= 0 (select |old(#valid)| 0)) (< |v_isinf_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= 4 (select |#length| |v_isinf_float_~#gf_u~1.base_3|))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 137.9 MB. Free memory was 102.8 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 551.92 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 83.9 MB in the beginning and 176.3 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.03 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 449.69 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 155.4 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1768.54 ms. Allocated memory was 199.8 MB in the beginning and 219.7 MB in the end (delta: 19.9 MB). Free memory was 155.4 MB in the beginning and 89.3 MB in the end (delta: 66.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...