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_1012a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 02:45:27,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 02:45:27,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 02:45:27,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 02:45:27,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 02:45:27,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 02:45:27,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 02:45:27,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 02:45:27,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 02:45:27,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 02:45:27,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 02:45:27,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 02:45:27,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 02:45:27,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 02:45:27,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 02:45:27,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 02:45:27,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 02:45:27,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 02:45:27,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 02:45:27,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 02:45:27,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 02:45:27,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 02:45:27,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 02:45:27,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 02:45:27,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 02:45:27,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 02:45:27,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 02:45:27,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 02:45:27,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 02:45:27,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 02:45:27,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 02:45:27,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 02:45:27,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 02:45:27,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 02:45:27,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 02:45:27,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 02:45:27,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 02:45:27,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 02:45:27,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 02:45:27,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 02:45:27,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 02:45:27,066 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 [2019-08-31 02:45:27,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 02:45:27,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 02:45:27,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 02:45:27,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 02:45:27,082 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 02:45:27,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 02:45:27,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 02:45:27,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 02:45:27,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 02:45:27,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 02:45:27,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 02:45:27,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 02:45:27,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 02:45:27,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 02:45:27,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 02:45:27,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 02:45:27,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 02:45:27,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 02:45:27,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 02:45:27,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 02:45:27,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 02:45:27,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 02:45:27,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 02:45:27,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 02:45:27,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 02:45:27,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 02:45:27,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 02:45:27,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 02:45:27,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 02:45:27,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 02:45:27,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 02:45:27,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 02:45:27,133 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 02:45:27,133 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 02:45:27,134 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1012a.c [2019-08-31 02:45:27,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d88be714/44ec0151bb7a4a4b877bbecad1bc3396/FLAGa0618a2c3 [2019-08-31 02:45:27,678 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 02:45:27,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1012a.c [2019-08-31 02:45:27,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d88be714/44ec0151bb7a4a4b877bbecad1bc3396/FLAGa0618a2c3 [2019-08-31 02:45:28,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d88be714/44ec0151bb7a4a4b877bbecad1bc3396 [2019-08-31 02:45:28,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 02:45:28,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 02:45:28,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:28,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 02:45:28,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 02:45:28,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6825a276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28, skipping insertion in model container [2019-08-31 02:45:28,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,044 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 02:45:28,060 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 02:45:28,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:28,267 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 02:45:28,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:28,314 INFO L192 MainTranslator]: Completed translation [2019-08-31 02:45:28,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28 WrapperNode [2019-08-31 02:45:28,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:28,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 02:45:28,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 02:45:28,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 02:45:28,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 02:45:28,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 02:45:28,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 02:45:28,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 02:45:28,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:28" (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 [2019-08-31 02:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 02:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 02:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-08-31 02:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-08-31 02:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 02:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 02:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 02:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 02:45:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-08-31 02:45:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 02:45:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 02:45:28,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 02:45:28,777 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 02:45:28,778 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-31 02:45:28,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:28 BoogieIcfgContainer [2019-08-31 02:45:28,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 02:45:28,780 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 02:45:28,780 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 02:45:28,780 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 02:45:28,782 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:28" (1/1) ... [2019-08-31 02:45:28,848 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 02:45:28,848 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 02:45:28,873 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 02:45:28,885 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 02:45:28,886 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 02:45:28,991 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 [2019-08-31 02:45:28,992 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,021 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,022 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 02:45:29,047 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 02:45:29,073 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_21|]} [2019-08-31 02:45:29,095 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 [2019-08-31 02:45:29,096 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,136 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,147 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 [2019-08-31 02:45:29,148 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,196 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_int_11|]} [2019-08-31 02:45:29,207 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 [2019-08-31 02:45:29,207 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,252 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 [2019-08-31 02:45:29,252 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,290 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 [2019-08-31 02:45:29,291 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,311 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. [2019-08-31 02:45:29,312 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-31 02:45:29,330 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_14|], 3=[|v_#valid_22|]} [2019-08-31 02:45:29,369 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,370 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-31 02:45:29,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,479 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-08-31 02:45:29,480 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-31 02:45:29,514 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,515 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-31 02:45:29,516 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,614 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-31 02:45:29,618 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_18|], 1=[|v_#memory_real_7|]} [2019-08-31 02:45:29,639 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 [2019-08-31 02:45:29,639 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,697 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 [2019-08-31 02:45:29,698 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,726 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,738 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 [2019-08-31 02:45:29,739 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,767 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,770 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:29,771 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-31 02:45:29,782 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_15|], 3=[|v_#valid_23|]} [2019-08-31 02:45:29,810 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,811 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-31 02:45:29,813 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:29,914 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-31 02:45:29,941 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:29,942 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-31 02:45:29,943 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,016 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-31 02:45:30,018 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|, |v_#memory_real_19|], 1=[|v_#memory_real_7|]} [2019-08-31 02:45:30,024 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 [2019-08-31 02:45:30,025 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,076 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 [2019-08-31 02:45:30,077 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,105 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,112 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 [2019-08-31 02:45:30,113 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:30,140 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-31 02:45:30,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 02:45:30,196 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_24|]} [2019-08-31 02:45:30,209 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 [2019-08-31 02:45:30,209 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,224 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 [2019-08-31 02:45:30,225 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,326 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 [2019-08-31 02:45:30,327 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,336 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 [2019-08-31 02:45:30,337 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,417 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,419 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_20|, |v_#memory_int_21|], 1=[|v_#memory_int_4|]} [2019-08-31 02:45:30,429 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 79 [2019-08-31 02:45:30,429 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,440 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 76 [2019-08-31 02:45:30,440 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,520 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,526 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 76 treesize of output 61 [2019-08-31 02:45:30,527 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,534 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 79 treesize of output 64 [2019-08-31 02:45:30,535 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,611 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 [2019-08-31 02:45:30,613 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:30,619 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 [2019-08-31 02:45:30,620 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:30,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,672 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. [2019-08-31 02:45:30,672 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-31 02:45:30,716 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 82 [2019-08-31 02:45:30,718 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,740 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,741 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 82 [2019-08-31 02:45:30,742 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,758 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,759 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 82 [2019-08-31 02:45:30,760 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:30,774 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:30,775 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 82 [2019-08-31 02:45:30,776 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:31,138 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-08-31 02:45:31,138 INFO L567 ElimStorePlain]: treesize reduction 36, result has 86.8 percent of original size [2019-08-31 02:45:31,153 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:31,154 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2019-08-31 02:45:31,156 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:31,171 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:31,172 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2019-08-31 02:45:31,173 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:31,195 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:31,195 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2019-08-31 02:45:31,196 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:31,208 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:31,209 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2019-08-31 02:45:31,210 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:31,342 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-31 02:45:31,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:31,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-08-31 02:45:31,347 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:313, output treesize:141 [2019-08-31 02:45:31,351 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 02:45:31,351 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 02:45:31,353 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 87#(exists ((|v_isinf_float_~#gf_u~1.base_3| Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_1)) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (<= |#NULL.base| 0) (= 0 (select |#valid| |v_isinf_float_~#gf_u~1.base_3|)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= 0 |v_isinf_float_~#gf_u~1.base_3|)) (= 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|))))) [2019-08-31 02:45:31,366 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 02:45:31,367 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 02:45:31,369 INFO L168 Benchmark]: Toolchain (without parser) took 3339.14 ms. Allocated memory was 134.2 MB in the beginning and 257.9 MB in the end (delta: 123.7 MB). Free memory was 89.3 MB in the beginning and 153.5 MB in the end (delta: -64.2 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,369 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.82 ms. Allocated memory is still 134.2 MB. Free memory was 89.1 MB in the beginning and 78.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,371 INFO L168 Benchmark]: Boogie Preprocessor took 129.53 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 177.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,372 INFO L168 Benchmark]: RCFGBuilder took 334.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 161.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,373 INFO L168 Benchmark]: Sifa took 2587.03 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 161.5 MB in the beginning and 153.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:31,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 284.82 ms. Allocated memory is still 134.2 MB. Free memory was 89.1 MB in the beginning and 78.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.53 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 177.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 334.23 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 161.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Sifa took 2587.03 ms. Allocated memory was 201.3 MB in the beginning and 257.9 MB in the end (delta: 56.6 MB). Free memory was 161.5 MB in the beginning and 153.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.5s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 37 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 30 TOOLS_POST_APPLICATIONS, 1.7s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 0.7s TOOLS_POST_RETURN_TIME, 2.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 40 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 12 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 3 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 5 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 3 LOOP_SUMMARIZER_APPLICATIONS, 3 LOOP_SUMMARIZER_CACHE_MISSES, 0.5s LOOP_SUMMARIZER_OVERALL_TIME, 0.5s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 3 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 1.7s CALL_SUMMARIZER_OVERALL_TIME, 1.7s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 86 DAG_COMPRESSION_PROCESSED_NODES, 51 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 51]: 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 87#(exists ((|v_isinf_float_~#gf_u~1.base_3| Int) (v_prenex_1 Int)) (or (and (= 4 (select |#length| v_prenex_1)) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (<= |#NULL.base| 0) (= 0 (select |#valid| |v_isinf_float_~#gf_u~1.base_3|)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (not (= 0 |v_isinf_float_~#gf_u~1.base_3|)) (= 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: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...