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-fab3c18 [2019-08-22 21:25:15,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:15,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:15,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:15,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:15,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:15,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:15,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:15,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:15,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:15,359 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:15,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:15,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:15,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:15,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:15,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:15,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:15,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:15,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:15,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:15,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:15,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:15,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:15,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:15,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:15,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:15,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:15,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:15,395 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 21:25:15,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:15,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:15,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:15,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:15,424 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:15,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:15,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:15,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:15,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:15,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:15,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:15,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:15,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:15,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:15,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:15,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:15,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:15,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:15,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:15,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:15,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:15,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:15,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:15,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:15,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:15,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:15,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:15,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:15,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:15,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:15,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:15,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:15,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:15,480 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:15,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-08-22 21:25:15,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0369f1533/046e96dd21d34fc18561f8ca749080ce/FLAGf4b17b878 [2019-08-22 21:25:15,939 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:15,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2019-08-22 21:25:15,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0369f1533/046e96dd21d34fc18561f8ca749080ce/FLAGf4b17b878 [2019-08-22 21:25:16,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0369f1533/046e96dd21d34fc18561f8ca749080ce [2019-08-22 21:25:16,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:16,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:16,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:16,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:16,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:16,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2296a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16, skipping insertion in model container [2019-08-22 21:25:16,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:16,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:16,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:16,606 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:16,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:16,761 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16 WrapperNode [2019-08-22 21:25:16,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:16,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:16,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:16,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:16,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (1/1) ... [2019-08-22 21:25:16,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:16,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:16,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:16,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:16,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:16" (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 21:25:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:25:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:25:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:25:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:25:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:25:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:25:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:17,115 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:17,116 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:25:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:17 BoogieIcfgContainer [2019-08-22 21:25:17,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:17,119 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:17,119 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:17,119 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:17,120 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:17" (1/1) ... [2019-08-22 21:25:17,145 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:17,151 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:17,163 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:17,180 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:17,182 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:17,327 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 21:25:17,328 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:17,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:17,370 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:25:17,371 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:21 [2019-08-22 21:25:17,413 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 37 [2019-08-22 21:25:17,478 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:17,726 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-08-22 21:25:17,727 INFO L567 ElimStorePlain]: treesize reduction 19, result has 84.9 percent of original size [2019-08-22 21:25:17,733 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:17,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:17,799 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. [2019-08-22 21:25:17,799 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:141, output treesize:92 [2019-08-22 21:25:17,821 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:25:17,822 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:25:17,824 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 35#(and (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (<= main_~__tmp_2~0 0) (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 (not (= 0 |main_~#InvSqrt__i~0.base|)) (<= |#NULL.base| 0) (= ~__return_72~0 main_~main__r~0) (= 1 main_~main____CPAchecker_TMP_1~0) (<= 0 |#NULL.base|) (= (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|) (= 0 (select |old(#valid)| 0)) (= |old(~__return_87~0)| 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 (not (= 0 |main_~#InvSqrt__i~0.base|)) (<= |#NULL.base| 0) (= ~__return_72~0 main_~main__r~0) (<= 0 |#NULL.base|) (= (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|) (= 0 (select |old(#valid)| 0)) (= |old(~__return_87~0)| 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|))))))))) [2019-08-22 21:25:17,836 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:25:17,837 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:25:17,839 INFO L168 Benchmark]: Toolchain (without parser) took 1478.60 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.6 MB in the beginning and 109.1 MB in the end (delta: -21.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,840 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.61 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.3 MB in the beginning and 173.5 MB in the end (delta: -86.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,842 INFO L168 Benchmark]: Boogie Preprocessor took 40.56 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 171.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,842 INFO L168 Benchmark]: RCFGBuilder took 314.61 ms. Allocated memory is still 197.7 MB. Free memory was 171.6 MB in the beginning and 156.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,843 INFO L168 Benchmark]: Symbolic Interpretation took 718.15 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 109.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:17,847 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 35#(and (<= 0 main_~__tmp_2~0) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (<= main_~__tmp_2~0 0) (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 (not (= 0 |main_~#InvSqrt__i~0.base|)) (<= |#NULL.base| 0) (= ~__return_72~0 main_~main__r~0) (= 1 main_~main____CPAchecker_TMP_1~0) (<= 0 |#NULL.base|) (= (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|) (= 0 (select |old(#valid)| 0)) (= |old(~__return_87~0)| 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 (not (= 0 |main_~#InvSqrt__i~0.base|)) (<= |#NULL.base| 0) (= ~__return_72~0 main_~main__r~0) (<= 0 |#NULL.base|) (= (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|) (= 0 (select |old(#valid)| 0)) (= |old(~__return_87~0)| 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|))))))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 401.61 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 87.3 MB in the beginning and 173.5 MB in the end (delta: -86.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.56 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 171.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.61 ms. Allocated memory is still 197.7 MB. Free memory was 171.6 MB in the beginning and 156.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 718.15 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 109.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...