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_1052d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:40:30,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:40:30,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:40:30,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:40:30,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:40:30,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:40:30,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:40:30,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:40:30,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:40:30,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:40:30,469 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:40:30,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:40:30,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:40:30,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:40:30,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:40:30,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:40:30,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:40:30,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:40:30,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:40:30,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:40:30,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:40:30,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:40:30,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:40:30,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:40:30,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:40:30,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:40:30,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:40:30,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:40:30,498 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 [2019-08-22 21:40:30,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:40:30,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:40:30,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:40:30,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:40:30,515 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:40:30,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:40:30,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:40:30,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:40:30,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:40:30,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:40:30,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:40:30,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:40:30,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:40:30,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:40:30,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:40:30,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:40:30,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:40:30,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:40:30,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:40:30,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:40:30,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:40:30,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:40:30,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:40:30,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:40:30,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:40:30,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:40:30,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:40:30,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:40:30,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:40:30,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:40:30,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:40:30,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:40:30,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:40:30,568 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:40:30,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2019-08-22 21:40:30,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f232110d4/0d9089df0179414a855ba7d1c5c36e3e/FLAG021de4f46 [2019-08-22 21:40:31,084 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:40:31,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2019-08-22 21:40:31,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f232110d4/0d9089df0179414a855ba7d1c5c36e3e/FLAG021de4f46 [2019-08-22 21:40:31,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f232110d4/0d9089df0179414a855ba7d1c5c36e3e [2019-08-22 21:40:31,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:40:31,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:40:31,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:31,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:40:31,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:40:31,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4810798d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31, skipping insertion in model container [2019-08-22 21:40:31,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,481 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:40:31,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:40:31,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:31,715 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:40:31,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:31,861 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:40:31,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31 WrapperNode [2019-08-22 21:40:31,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:31,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:40:31,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:40:31,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:40:31,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:40:31,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:40:31,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:40:31,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:40:31,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31" (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 [2019-08-22 21:40:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:40:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:40:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-08-22 21:40:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-22 21:40:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:40:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:40:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:40:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-22 21:40:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:40:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:40:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:40:32,301 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:40:32,301 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-22 21:40:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:32 BoogieIcfgContainer [2019-08-22 21:40:32,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:40:32,303 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:40:32,303 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:40:32,304 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:40:32,304 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:32" (1/1) ... [2019-08-22 21:40:32,331 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:40:32,337 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:40:32,346 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:40:32,353 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:40:32,354 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:40:32,432 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 [2019-08-22 21:40:32,433 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,455 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,456 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,456 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-22 21:40:32,474 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 29 [2019-08-22 21:40:32,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:40:32,538 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_21|]} [2019-08-22 21:40:32,554 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 [2019-08-22 21:40:32,555 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,569 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 [2019-08-22 21:40:32,570 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,706 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-22 21:40:32,707 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,740 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 [2019-08-22 21:40:32,742 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,774 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 [2019-08-22 21:40:32,776 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,879 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-22 21:40:32,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,882 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_int_7|]} [2019-08-22 21:40:32,891 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 [2019-08-22 21:40:32,892 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,901 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 [2019-08-22 21:40:32,902 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,970 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,981 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 [2019-08-22 21:40:32,983 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,997 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 [2019-08-22 21:40:32,999 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,085 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 [2019-08-22 21:40:33,088 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:33,097 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 [2019-08-22 21:40:33,099 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:33,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,169 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. [2019-08-22 21:40:33,170 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-22 21:40:33,425 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_22|]} [2019-08-22 21:40:33,432 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 [2019-08-22 21:40:33,433 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,461 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,467 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 [2019-08-22 21:40:33,467 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,491 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_18|], 1=[|v_#memory_real_4|]} [2019-08-22 21:40:33,495 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 [2019-08-22 21:40:33,496 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,522 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 [2019-08-22 21:40:33,522 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,538 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,544 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 [2019-08-22 21:40:33,544 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,554 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,555 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. [2019-08-22 21:40:33,556 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-22 21:40:33,572 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_23|]} [2019-08-22 21:40:33,578 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 [2019-08-22 21:40:33,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,612 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 [2019-08-22 21:40:33,613 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,636 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,637 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|, |v_#memory_real_19|], 1=[|v_#memory_int_17|]} [2019-08-22 21:40:33,642 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 [2019-08-22 21:40:33,643 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,666 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 [2019-08-22 21:40:33,667 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,697 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 [2019-08-22 21:40:33,698 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,714 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. [2019-08-22 21:40:33,715 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-22 21:40:33,742 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:40:33,742 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:40:33,745 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 313#(or (exists ((v_prenex_38 Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< v_prenex_38 |#StackHeapBarrier|) (<= ~huge_floor~0 1000000000000000000000000000000.0) (= 4 (select |#length| v_prenex_38)) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| v_prenex_38)) (not (= v_prenex_38 0)) (= main_~x~0 0.0) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~x~0 0.0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))) [2019-08-22 21:40:33,759 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:40:33,759 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:40:33,761 INFO L168 Benchmark]: Toolchain (without parser) took 2297.11 ms. Allocated memory was 139.5 MB in the beginning and 222.8 MB in the end (delta: 83.4 MB). Free memory was 87.3 MB in the beginning and 124.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,763 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.76 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 176.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,771 INFO L168 Benchmark]: Boogie Preprocessor took 43.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,772 INFO L168 Benchmark]: RCFGBuilder took 396.55 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 154.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,777 INFO L168 Benchmark]: Symbolic Interpretation took 1456.07 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 154.4 MB in the beginning and 124.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,785 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 313#(or (exists ((v_prenex_38 Int)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< v_prenex_38 |#StackHeapBarrier|) (<= ~huge_floor~0 1000000000000000000000000000000.0) (= 4 (select |#length| v_prenex_38)) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| v_prenex_38)) (not (= v_prenex_38 0)) (= main_~x~0 0.0) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= main_~x~0 0.0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.76 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 176.1 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 173.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.55 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 154.4 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1456.07 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 154.4 MB in the beginning and 124.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...