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-a32b1f7 [2019-08-18 06:18:06,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:18:06,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:18:06,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:18:06,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:18:06,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:18:06,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:18:06,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:18:06,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:18:06,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:18:06,944 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:18:06,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:18:06,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:18:06,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:18:06,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:18:06,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:18:06,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:18:06,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:18:06,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:18:06,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:18:06,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:18:06,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:18:06,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:18:06,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:18:06,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:18:06,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:18:06,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:18:06,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:18:06,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:18:06,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:18:06,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:18:06,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:18:06,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:18:06,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:18:06,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:18:06,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:18:06,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:18:06,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:18:06,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:18:06,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:18:06,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:18:06,973 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 06:18:07,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:18:07,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:18:07,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:18:07,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:18:07,005 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:18:07,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:18:07,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:18:07,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:18:07,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:18:07,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:18:07,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:18:07,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:18:07,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:18:07,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:18:07,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:18:07,008 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:18:07,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:18:07,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:18:07,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:18:07,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:18:07,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:18:07,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:18:07,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:18:07,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:18:07,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:18:07,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:18:07,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:18:07,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:18:07,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:18:07,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:18:07,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:18:07,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:18:07,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:18:07,057 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:18:07,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c [2019-08-18 06:18:07,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1b6997b/bed1b8eaf37f4c9fb43b5d1874fb9eb5/FLAGd55555c55 [2019-08-18 06:18:07,573 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:18:07,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c [2019-08-18 06:18:07,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1b6997b/bed1b8eaf37f4c9fb43b5d1874fb9eb5/FLAGd55555c55 [2019-08-18 06:18:07,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1b6997b/bed1b8eaf37f4c9fb43b5d1874fb9eb5 [2019-08-18 06:18:07,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:18:07,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:18:07,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:07,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:18:07,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:18:07,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f31d7 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 06:18:07,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:18:07" (1/1) ... [2019-08-18 06:18:07,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:18:08,017 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:18:08,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:08,210 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:18:08,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:18:08,357 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:18:08,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08 WrapperNode [2019-08-18 06:18:08,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:18:08,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:18:08,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:18:08,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:18:08,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:18:08,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:18:08,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:18:08,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:18:08,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:18:08" (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 06:18:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:18:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:18:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:18:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure InvSqrt [2019-08-18 06:18:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:18:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:18:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:18:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:18:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:18:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure InvSqrt [2019-08-18 06:18:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:18:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:18:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:18:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:18:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:18:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:18:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:18:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:18:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:18:08,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:18:08,732 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:18:08,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:08 BoogieIcfgContainer [2019-08-18 06:18:08,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:18:08,734 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:18:08,734 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:18:08,734 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:18:08,735 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:18:08" (1/1) ... [2019-08-18 06:18:08,754 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:18:08,758 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:18:08,763 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:18:08,771 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:18:08,773 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:18:08,867 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 06:18:08,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,885 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:08,885 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:18:08,897 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:18:08,915 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 1=[|v_#valid_13|]} [2019-08-18 06:18:08,928 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 [2019-08-18 06:18:08,928 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:08,997 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,020 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 [2019-08-18 06:18:09,020 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:09,068 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,071 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_10|, |v_#memory_int_10|], 1=[|v_#memory_real_7|, |v_#memory_int_7|]} [2019-08-18 06:18:09,080 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 [2019-08-18 06:18:09,080 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:09,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,120 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 [2019-08-18 06:18:09,121 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:09,146 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,153 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 [2019-08-18 06:18:09,153 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:09,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,179 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 [2019-08-18 06:18:09,180 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:18:09,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:18:09,203 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. [2019-08-18 06:18:09,204 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:84, output treesize:21 [2019-08-18 06:18:09,228 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 [2019-08-18 06:18:09,231 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:18:09,232 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:18:09,236 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 21#(and (exists ((|v_InvSqrt_~#i~0.base_3| Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| |v_InvSqrt_~#i~0.base_3|) 4) (= 0 |#NULL.base|) (not (= 0 |v_InvSqrt_~#i~0.base_3|)) (= |#NULL.offset| 0) (< |v_InvSqrt_~#i~0.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v_InvSqrt_~#i~0.base_3|))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:18:09,248 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:18:09,248 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:18:09,250 INFO L168 Benchmark]: Toolchain (without parser) took 1268.06 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.7 MB in the beginning and 127.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,251 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.00 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 177.6 MB in the end (delta: -91.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,253 INFO L168 Benchmark]: Boogie Preprocessor took 33.39 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,254 INFO L168 Benchmark]: RCFGBuilder took 341.64 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 161.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,255 INFO L168 Benchmark]: Symbolic Interpretation took 514.51 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 127.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:18:09,261 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 21#(and (exists ((|v_InvSqrt_~#i~0.base_3| Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (not (= 0 v_prenex_1)) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| v_prenex_1)) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#length| |v_InvSqrt_~#i~0.base_3|) 4) (= 0 |#NULL.base|) (not (= 0 |v_InvSqrt_~#i~0.base_3|)) (= |#NULL.offset| 0) (< |v_InvSqrt_~#i~0.base_3| |#StackHeapBarrier|) (= 0 (select |#valid| |v_InvSqrt_~#i~0.base_3|))))) (= 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 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.00 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 177.6 MB in the end (delta: -91.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.39 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.64 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 161.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 514.51 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 127.4 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...