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-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:18:06,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:18:06,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:18:06,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:18:06,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:18:06,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:18:06,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:18:06,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:18:06,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:18:06,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:18:06,136 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:18:06,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:18:06,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:18:06,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:18:06,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:18:06,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:18:06,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:18:06,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:18:06,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:18:06,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:18:06,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:18:06,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:18:06,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:18:06,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:18:06,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:18:06,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:18:06,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:18:06,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:18:06,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:18:06,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:18:06,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:18:06,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:18:06,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:18:06,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:18:06,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:18:06,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:18:06,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:18:06,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:18:06,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:18:06,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:18:06,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:18:06,163 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 06:18:06,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:18:06,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:18:06,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:18:06,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:18:06,189 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:18:06,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:18:06,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:18:06,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:18:06,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:18:06,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:18:06,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:18:06,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:18:06,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:18:06,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:18:06,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:18:06,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:18:06,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:18:06,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:18:06,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:18:06,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:18:06,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:18:06,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:18:06,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:18:06,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:18:06,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:18:06,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:18:06,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:18:06,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:18:06,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:18:06,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:18:06,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:18:06,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:18:06,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:18:06,258 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:18:06,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-08-18 06:18:06,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785e4da7/a5c86fb536504a2abc237cfee9dfb21c/FLAG80875e8bf [2019-08-18 06:18:06,744 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:18:06,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-08-18 06:18:06,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785e4da7/a5c86fb536504a2abc237cfee9dfb21c/FLAG80875e8bf [2019-08-18 06:18:07,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7785e4da7/a5c86fb536504a2abc237cfee9dfb21c [2019-08-18 06:18:07,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:18:07,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:18:07,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:07,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:18:07,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:18:07,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb54b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07, skipping insertion in model container [2019-08-18 06:18:07,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:18:07,148 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:18:07,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:07,414 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:18:07,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:07,556 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:18:07,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07 WrapperNode [2019-08-18 06:18:07,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:07,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:18:07,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:18:07,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:18:07,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:18:07,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:18:07,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:18:07,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:18:07,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:18:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:18:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:18:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:18:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:18:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:18:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:18:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:18:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:18:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:18:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:18:07,960 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:18:07,961 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:18:07,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:07 BoogieIcfgContainer [2019-08-18 06:18:07,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:18:07,963 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:18:07,963 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:18:07,966 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:18:07,967 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,982 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:18:07,987 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:18:08,001 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:18:08,010 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:18:08,012 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:18:08,112 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:18:08,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,151 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:08,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,153 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:21 [2019-08-18 06:18:08,166 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 31 [2019-08-18 06:18:08,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,363 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-08-18 06:18:08,364 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.3 percent of original size [2019-08-18 06:18:08,370 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,440 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:08,442 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:18:08,442 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:123, output treesize:89 [2019-08-18 06:18:08,463 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:18:08,463 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:18:08,466 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 27#(and (or (and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union3_3| Int)) (and (= 0 |#NULL.base|) (not (= 0 |main_~#InvSqrt__i~0.base|)) (= ~__return_72~0 main_~main__r~0) (= 1 main_~main____CPAchecker_TMP_1~0) (= (store |old(#length)| |main_~#InvSqrt__i~0.base| 4) |#length|) (= (store |old(#memory_int)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_int)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| |v_main_#t~union3_3|)) |#memory_int|) (= |old(~__return_87~0)| 0) (= 0 (select |old(#valid)| 0)) (= |main_~#InvSqrt__i~0.offset| 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |old(~__return_72~0)| 0.0) (= |#valid| (store |old(#valid)| |main_~#InvSqrt__i~0.base| 1)) (= |old(~__return_87~0)| ~__return_87~0) (= 0 (select |old(#valid)| |main_~#InvSqrt__i~0.base|)) (= main_~__tmp_1~0 main_~main__a~0) (= main_~InvSqrt__x~0 ~__return_72~0) (= ~__return_main~0 0) (= |#NULL.offset| 0) (< |main_~#InvSqrt__i~0.base| |#StackHeapBarrier|) (= |#memory_real| (store |old(#memory_real)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_real)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| (select (select |#memory_real| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset|))))))) (and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (= 0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union3_3| Int)) (and (= 0 |#NULL.base|) (not (= 0 |main_~#InvSqrt__i~0.base|)) (= ~__return_72~0 main_~main__r~0) (= (store |old(#length)| |main_~#InvSqrt__i~0.base| 4) |#length|) (= (store |old(#memory_int)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_int)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| |v_main_#t~union3_3|)) |#memory_int|) (= |old(~__return_87~0)| 0) (= 0 (select |old(#valid)| 0)) (= |main_~#InvSqrt__i~0.offset| 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |old(~__return_72~0)| 0.0) (= |#valid| (store |old(#valid)| |main_~#InvSqrt__i~0.base| 1)) (= |old(~__return_87~0)| ~__return_87~0) (= 0 (select |old(#valid)| |main_~#InvSqrt__i~0.base|)) (= main_~__tmp_1~0 main_~main__a~0) (= main_~InvSqrt__x~0 ~__return_72~0) (= ~__return_main~0 0) (= |#NULL.offset| 0) (< |main_~#InvSqrt__i~0.base| |#StackHeapBarrier|) (= |#memory_real| (store |old(#memory_real)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_real)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| (select (select |#memory_real| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset|)))))))) (= main_~__VERIFIER_assert__cond~0 0)) [2019-08-18 06:18:08,481 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:18:08,481 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:18:08,483 INFO L168 Benchmark]: Toolchain (without parser) took 1380.30 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.6 MB in the beginning and 116.8 MB in the end (delta: -31.2 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,484 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.32 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 176.0 MB in the end (delta: -90.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,487 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,487 INFO L168 Benchmark]: RCFGBuilder took 362.52 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 158.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,488 INFO L168 Benchmark]: Symbolic Interpretation took 518.72 ms. Allocated memory is still 198.7 MB. Free memory was 158.4 MB in the beginning and 116.8 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:08,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 54]: 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 27#(and (or (and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union3_3| Int)) (and (= 0 |#NULL.base|) (not (= 0 |main_~#InvSqrt__i~0.base|)) (= ~__return_72~0 main_~main__r~0) (= 1 main_~main____CPAchecker_TMP_1~0) (= (store |old(#length)| |main_~#InvSqrt__i~0.base| 4) |#length|) (= (store |old(#memory_int)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_int)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| |v_main_#t~union3_3|)) |#memory_int|) (= |old(~__return_87~0)| 0) (= 0 (select |old(#valid)| 0)) (= |main_~#InvSqrt__i~0.offset| 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |old(~__return_72~0)| 0.0) (= |#valid| (store |old(#valid)| |main_~#InvSqrt__i~0.base| 1)) (= |old(~__return_87~0)| ~__return_87~0) (= 0 (select |old(#valid)| |main_~#InvSqrt__i~0.base|)) (= main_~__tmp_1~0 main_~main__a~0) (= main_~InvSqrt__x~0 ~__return_72~0) (= ~__return_main~0 0) (= |#NULL.offset| 0) (< |main_~#InvSqrt__i~0.base| |#StackHeapBarrier|) (= |#memory_real| (store |old(#memory_real)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_real)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| (select (select |#memory_real| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset|))))))) (and (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~main____CPAchecker_TMP_1~0) (= 0 main_~main____CPAchecker_TMP_1~0) (exists ((|v_main_#t~union3_3| Int)) (and (= 0 |#NULL.base|) (not (= 0 |main_~#InvSqrt__i~0.base|)) (= ~__return_72~0 main_~main__r~0) (= (store |old(#length)| |main_~#InvSqrt__i~0.base| 4) |#length|) (= (store |old(#memory_int)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_int)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| |v_main_#t~union3_3|)) |#memory_int|) (= |old(~__return_87~0)| 0) (= 0 (select |old(#valid)| 0)) (= |main_~#InvSqrt__i~0.offset| 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |old(~__return_72~0)| 0.0) (= |#valid| (store |old(#valid)| |main_~#InvSqrt__i~0.base| 1)) (= |old(~__return_87~0)| ~__return_87~0) (= 0 (select |old(#valid)| |main_~#InvSqrt__i~0.base|)) (= main_~__tmp_1~0 main_~main__a~0) (= main_~InvSqrt__x~0 ~__return_72~0) (= ~__return_main~0 0) (= |#NULL.offset| 0) (< |main_~#InvSqrt__i~0.base| |#StackHeapBarrier|) (= |#memory_real| (store |old(#memory_real)| |main_~#InvSqrt__i~0.base| (store (select |old(#memory_real)| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset| (select (select |#memory_real| |main_~#InvSqrt__i~0.base|) |main_~#InvSqrt__i~0.offset|)))))))) (= main_~__VERIFIER_assert__cond~0 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 453.32 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 176.0 MB in the end (delta: -90.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 198.7 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.52 ms. Allocated memory is still 198.7 MB. Free memory was 173.7 MB in the beginning and 158.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 518.72 ms. Allocated memory is still 198.7 MB. Free memory was 158.4 MB in the beginning and 116.8 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...