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 -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:25:18,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:18,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:18,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:18,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:18,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:18,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:18,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:18,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:18,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:18,307 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:18,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:18,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:18,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:18,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:18,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:18,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:18,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:18,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:18,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:18,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:18,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:18,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:18,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:18,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:18,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:18,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:18,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:18,331 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 21:25:18,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:18,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:18,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:18,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:18,346 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:18,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:18,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:18,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:18,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:18,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:18,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:18,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:18,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:18,348 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:18,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:18,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:18,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:18,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:18,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:18,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:18,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:18,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:18,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:18,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:18,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:18,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:18,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:18,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:18,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:18,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:18,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:18,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:18,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:18,395 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:18,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c [2019-08-22 21:25:18,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f54ecd19/8fbf3a959ff040c2897862526315c1de/FLAG5cdfbca9c [2019-08-22 21:25:18,849 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:18,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c [2019-08-22 21:25:18,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f54ecd19/8fbf3a959ff040c2897862526315c1de/FLAG5cdfbca9c [2019-08-22 21:25:19,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f54ecd19/8fbf3a959ff040c2897862526315c1de [2019-08-22 21:25:19,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:19,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:19,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:19,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:19,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:19,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f69ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19, skipping insertion in model container [2019-08-22 21:25:19,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:19,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:19,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:19,495 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:19,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:19,538 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:19,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19 WrapperNode [2019-08-22 21:25:19,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:19,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:19,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:19,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:19,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:19,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:19,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:19,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:19,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:19" (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 21:25:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:25:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2019-08-22 21:25:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:25:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:25:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:25:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:25:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:19,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:19,925 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:25:19,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:19 BoogieIcfgContainer [2019-08-22 21:25:19,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:19,928 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:19,928 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:19,928 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:19,929 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:19" (1/1) ... [2019-08-22 21:25:19,943 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:19,945 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:19,951 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:19,959 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:19,961 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:20,076 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 21:25:20,076 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,096 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:25:20,117 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-22 21:25:20,136 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 1=[|v_#valid_13|]} [2019-08-22 21:25:20,149 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 21:25:20,149 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,214 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,226 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 21:25:20,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,267 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,270 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_10|, |v_#memory_int_10|], 1=[|v_#memory_real_7|, |v_#memory_int_7|]} [2019-08-22 21:25:20,287 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 21:25:20,288 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,322 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,333 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 21:25:20,334 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,361 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,373 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 21:25:20,374 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,403 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 21:25:20,404 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:20,420 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:20,424 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:20,424 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:84, output treesize:21 [2019-08-22 21:25:20,475 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 [2019-08-22 21:25:20,487 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:25:20,487 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:25:20,503 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 27#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_InvSqrt_~#i~0.base_3| Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_1)) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| |v_InvSqrt_~#i~0.base_3|) 4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= 0 |v_InvSqrt_~#i~0.base_3|)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (< |v_InvSqrt_~#i~0.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v_InvSqrt_~#i~0.base_3|)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:25:20,527 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:25:20,527 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:25:20,531 INFO L168 Benchmark]: Toolchain (without parser) took 1247.41 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 90.1 MB in the beginning and 127.7 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:20,532 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:25:20,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.48 ms. Allocated memory is still 134.2 MB. Free memory was 89.7 MB in the beginning and 79.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:20,538 INFO L168 Benchmark]: Boogie Preprocessor took 130.76 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.5 MB in the beginning and 176.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:20,539 INFO L168 Benchmark]: RCFGBuilder took 256.99 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 162.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:20,541 INFO L168 Benchmark]: Symbolic Interpretation took 599.87 ms. Allocated memory is still 200.8 MB. Free memory was 162.2 MB in the beginning and 127.7 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:20,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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 (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_InvSqrt_~#i~0.base_3| Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_1)) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| |v_InvSqrt_~#i~0.base_3|) 4) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (not (= 0 |v_InvSqrt_~#i~0.base_3|)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (< |v_InvSqrt_~#i~0.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v_InvSqrt_~#i~0.base_3|)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.48 ms. Allocated memory is still 134.2 MB. Free memory was 89.7 MB in the beginning and 79.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.76 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 79.5 MB in the beginning and 176.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.99 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 162.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 599.87 ms. Allocated memory is still 200.8 MB. Free memory was 162.2 MB in the beginning and 127.7 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...