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_1052c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:40:29,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:40:29,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:40:29,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:40:29,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:40:29,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:40:29,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:40:29,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:40:29,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:40:29,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:40:29,976 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:40:29,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:40:29,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:40:29,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:40:29,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:40:29,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:40:29,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:40:29,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:40:29,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:40:29,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:40:29,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:40:29,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:40:29,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:40:29,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:40:29,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:40:30,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:40:30,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:40:30,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:40:30,009 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 21:40:30,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:40:30,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:40:30,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:40:30,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:40:30,027 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:40:30,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:40:30,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:40:30,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:40:30,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:40:30,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:40:30,029 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:40:30,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:40:30,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:40:30,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:40:30,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:40:30,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:40:30,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:40:30,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:40:30,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:40:30,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:40:30,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:40:30,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:40:30,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:40:30,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:40:30,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:40:30,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:40:30,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:40:30,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:40:30,080 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:40:30,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052c.c [2019-08-22 21:40:30,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5f5c745/820e3f45fa1d4e2aa7371644b46219af/FLAG63564f00d [2019-08-22 21:40:30,580 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:40:30,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052c.c [2019-08-22 21:40:30,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5f5c745/820e3f45fa1d4e2aa7371644b46219af/FLAG63564f00d [2019-08-22 21:40:30,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5f5c745/820e3f45fa1d4e2aa7371644b46219af [2019-08-22 21:40:31,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:40:31,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:40:31,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:31,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:40:31,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:40:31,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:30" (1/1) ... [2019-08-22 21:40:31,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283db935 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 21:40:31,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:30" (1/1) ... [2019-08-22 21:40:31,026 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:40:31,047 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:40:31,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:31,266 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:40:31,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:31,410 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:40:31,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:31 WrapperNode [2019-08-22 21:40:31,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:31,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:40:31,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:40:31,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:40:31,425 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 21:40:31,425 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 21:40:31,434 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 21:40:31,435 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 21:40:31,446 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 21:40:31,453 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 21:40:31,455 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 21:40:31,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:40:31,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:40:31,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:40:31,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:40:31,460 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 21:40:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:40:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:40:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-08-22 21:40:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-22 21:40:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-08-22 21:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:40:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:40:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:40:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:40:31,933 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:40:31,934 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-22 21:40:31,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:31 BoogieIcfgContainer [2019-08-22 21:40:31,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:40:31,936 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:40:31,936 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:40:31,936 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:40:31,937 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:31" (1/1) ... [2019-08-22 21:40:31,952 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:40:31,954 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:40:31,969 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:40:31,980 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:40:31,983 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:40:32,079 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 21:40:32,079 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,107 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,108 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-22 21:40:32,127 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 29 [2019-08-22 21:40:32,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:40:32,210 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_21|]} [2019-08-22 21:40:32,233 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 87 treesize of output 86 [2019-08-22 21:40:32,234 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,256 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 21:40:32,257 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,403 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-22 21:40:32,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,439 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 21:40:32,441 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,459 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 21:40:32,461 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,570 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-22 21:40:32,570 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,572 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_int_7|]} [2019-08-22 21:40:32,584 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 21:40:32,585 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,594 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 21:40:32,596 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,703 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 21:40:32,705 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,718 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 21:40:32,720 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:32,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,810 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 21:40:32,812 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 21:40:32,828 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 21:40:32,832 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 21:40:32,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:32,906 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 21:40:32,906 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-22 21:40:33,243 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_22|]} [2019-08-22 21:40:33,250 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 21:40:33,251 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,287 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 21:40:33,288 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,314 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_real_18|], 1=[|v_#memory_real_4|]} [2019-08-22 21:40:33,326 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 21:40:33,326 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,354 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 21:40:33,355 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,372 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,378 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 21:40:33,378 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,391 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 21:40:33,392 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-22 21:40:33,408 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_23|]} [2019-08-22 21:40:33,415 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 21:40:33,415 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,449 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 21:40:33,449 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,476 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|, |v_#memory_real_19|], 1=[|v_#memory_int_17|]} [2019-08-22 21:40:33,483 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 21:40:33,483 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,515 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 21:40:33,515 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 21:40:33,543 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 21:40:33,543 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:33,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:33,561 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 21:40:33,561 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-22 21:40:33,590 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:40:33,591 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:40:33,595 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 313#(or (exists ((|v___signbit_float_~#gf_u~1.base_3| Int)) (and (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (<= |#NULL.base| 0) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 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 21:40:33,618 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:40:33,618 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:40:33,624 INFO L168 Benchmark]: Toolchain (without parser) took 2612.15 ms. Allocated memory was 140.0 MB in the beginning and 224.9 MB in the end (delta: 84.9 MB). Free memory was 87.4 MB in the beginning and 126.7 MB in the end (delta: -39.3 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,626 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.66 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 178.0 MB in the end (delta: -90.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,629 INFO L168 Benchmark]: Boogie Preprocessor took 46.58 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 175.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,629 INFO L168 Benchmark]: RCFGBuilder took 476.69 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 156.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,630 INFO L168 Benchmark]: Symbolic Interpretation took 1682.65 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 156.1 MB in the beginning and 126.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:33,640 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___signbit_float_~#gf_u~1.base_3| Int)) (and (= 0 |#NULL.base|) (< |v___signbit_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (<= |#NULL.base| 0) (not (= |v___signbit_float_~#gf_u~1.base_3| 0)) (<= 0 |#NULL.base|) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= 4 (select |#length| |v___signbit_float_~#gf_u~1.base_3|)) (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 (select |#valid| |v___signbit_float_~#gf_u~1.base_3|)) (= |#NULL.offset| 0))) (and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 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 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 401.66 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 178.0 MB in the end (delta: -90.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.58 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 175.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 476.69 ms. Allocated memory is still 200.3 MB. Free memory was 175.7 MB in the beginning and 156.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1682.65 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 156.1 MB in the beginning and 126.7 MB in the end (delta: 29.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...