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/loops/n.c40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 05:15:55,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:15:55,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:15:55,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:15:55,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:15:55,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:15:55,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:15:55,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:15:55,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:15:55,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:15:55,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:15:55,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:15:55,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:15:55,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:15:55,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:15:55,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:15:55,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:15:55,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:15:55,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:15:55,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:15:55,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:15:55,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:15:55,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:15:55,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:15:55,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 05:15:55,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:15:55,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:15:55,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:15:55,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:15:55,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:15:55,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:15:55,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:15:55,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:15:55,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:15:55,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:15:55,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:15:55,987 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 [2019-08-31 05:15:56,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:15:56,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:15:56,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:15:56,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:15:56,004 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:15:56,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:15:56,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:15:56,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:15:56,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:15:56,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:15:56,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:15:56,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:15:56,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:15:56,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:15:56,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:15:56,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:15:56,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:15:56,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:15:56,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:15:56,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:15:56,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:15:56,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:15:56,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:15:56,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:15:56,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:15:56,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:15:56,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:15:56,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:15:56,056 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:15:56,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c40.c [2019-08-31 05:15:56,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc881e58/7e6e67b5d57b4dbfb8a9fefa1a0ba9b8/FLAG890473e8e [2019-08-31 05:15:56,657 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:15:56,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c40.c [2019-08-31 05:15:56,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc881e58/7e6e67b5d57b4dbfb8a9fefa1a0ba9b8/FLAG890473e8e [2019-08-31 05:15:57,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc881e58/7e6e67b5d57b4dbfb8a9fefa1a0ba9b8 [2019-08-31 05:15:57,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:15:57,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:15:57,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:15:57,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:15:57,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:15:57,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ce2641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57, skipping insertion in model container [2019-08-31 05:15:57,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:15:57,123 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:15:57,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:15:57,372 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:15:57,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:15:57,524 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:15:57,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57 WrapperNode [2019-08-31 05:15:57,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:15:57,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:15:57,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:15:57,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:15:57,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:15:57,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:15:57,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:15:57,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:15:57,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:57" (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 [2019-08-31 05:15:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:15:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:15:57,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:15:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:15:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 05:15:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:15:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 05:15:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 05:15:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:15:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 05:15:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:15:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 05:15:57,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:15:57,877 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 05:15:57,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:15:57 BoogieIcfgContainer [2019-08-31 05:15:57,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:15:57,880 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:15:57,880 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:15:57,880 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:15:57,882 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:15:57" (1/1) ... [2019-08-31 05:15:57,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:15:57,942 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:15:57,950 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:15:57,962 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:15:57,964 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:15:58,071 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-31 05:15:58,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:15:58,115 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-31 05:15:58,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:15:58,235 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-08-31 05:15:58,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:15:58,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:15:58,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:15:58,295 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 05:15:58,296 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 34 [2019-08-31 05:15:58,297 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:15:58,426 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-08-31 05:15:58,426 INFO L567 ElimStorePlain]: treesize reduction 8, result has 89.5 percent of original size [2019-08-31 05:15:58,441 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 13 [2019-08-31 05:15:58,442 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 05:15:58,510 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:15:58,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 05:15:58,512 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:69 [2019-08-31 05:15:58,553 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 61 for LOIs [2019-08-31 05:15:58,619 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 05:15:58,621 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 05:15:58,623 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(and (= (store |old(#memory_int)| |~#y~0.base| (store (select |old(#memory_int)| |~#y~0.base|) (+ |~#y~0.offset| ~i~0) 0)) |#memory_int|) (= 0 |#NULL.base|) (<= ~k~0 0) (= 100 (select |#length| |~#x~0.base|)) (< |~#y~0.base| |#StackHeapBarrier|) (<= 0 |~#x~0.offset|) (<= |old(~k~0)| 0) (<= |old(~i~0)| 0) (<= 0 |#NULL.base|) (= ((as const (Array Int Int)) 0) (select |old(#memory_int)| |~#y~0.base|)) (= 100 (select |#length| |~#y~0.base|)) (<= 0 |#NULL.offset|) (= 0 ~i~0) (not (= |~#x~0.base| |~#y~0.base|)) (= 1 (select |#valid| |~#y~0.base|)) (<= 0 |~#y~0.offset|) (<= ~k~0 2147483647) (<= ~j~0 0) (= 0 ~j~0) (= (select (select |old(#memory_int)| |~#x~0.base|) (+ ~i~0 |~#x~0.offset|)) 0) (<= 0 |old(~i~0)|) (<= 0 (+ ~k~0 2147483648)) (<= 0 |old(~k~0)|) (<= |#NULL.base| 0) (< ~k~0 ~i~0) (<= |~#y~0.offset| 0) (= 0 (select (select |#memory_int| |~#y~0.base|) (+ |~#y~0.offset| ~k~0))) (<= |~#x~0.offset| 0) (<= |#NULL.offset| 0) (< |~#x~0.base| |#StackHeapBarrier|) (= 0 |old(~k~0)|) (= 0 |~#y~0.offset|) (<= ~i~0 0) (= 0 (select |#valid| 0)) (= ((as const (Array Int Int)) 0) (select |old(#memory_int)| |~#x~0.base|)) (= 0 |~#x~0.offset|) (<= 0 ~j~0) (<= 0 ~k~0) (= 0 |old(~i~0)|) (<= 0 ~i~0) (= |#NULL.offset| 0) (= 1 (select |#valid| |~#x~0.base|))) [2019-08-31 05:15:58,636 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 05:15:58,636 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 05:15:58,640 INFO L168 Benchmark]: Toolchain (without parser) took 1550.42 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.0 MB in the beginning and 113.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-08-31 05:15:58,640 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 05:15:58,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.11 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.0 MB in the beginning and 178.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-31 05:15:58,642 INFO L168 Benchmark]: Boogie Preprocessor took 35.01 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 175.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-31 05:15:58,643 INFO L168 Benchmark]: RCFGBuilder took 318.55 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 161.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-31 05:15:58,644 INFO L168 Benchmark]: Sifa took 756.50 ms. Allocated memory is still 199.8 MB. Free memory was 161.9 MB in the beginning and 113.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-08-31 05:15:58,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 436.11 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.0 MB in the beginning and 178.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.01 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 175.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.55 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 161.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 756.50 ms. Allocated memory is still 199.8 MB. Free memory was 161.9 MB in the beginning and 113.9 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.7s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 15 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 12 TOOLS_POST_APPLICATIONS, 0.5s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 16 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.5s CALL_SUMMARIZER_OVERALL_TIME, 0.5s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 63 DAG_COMPRESSION_PROCESSED_NODES, 35 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...