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/ldv-regression/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:27:22,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:27:22,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:27:22,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:27:22,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:27:22,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:27:22,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:27:22,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:27:22,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:27:22,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:27:22,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:27:22,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-31 03:27:22,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:27:22,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:27:22,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:27:22,421 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 03:27:22,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:27:22,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:27:22,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:27:22,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:27:22,443 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:27:22,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:27:22,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:27:22,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:27:22,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:27:22,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:27:22,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:27:22,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:27:22,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:27:22,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:27:22,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:27:22,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:27:22,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:27:22,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:27:22,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:27:22,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:27:22,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:27:22,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:27:22,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:27:22,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:27:22,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:27:22,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:27:22,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:27:22,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:27:22,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:27:22,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:27:22,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:27:22,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:27:22,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:27:22,510 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:27:22,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2019-08-31 03:27:22,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd689db/0a3eed02263d4885bdb12bc6bbd35de6/FLAG0264d0690 [2019-08-31 03:27:23,064 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:27:23,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2019-08-31 03:27:23,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd689db/0a3eed02263d4885bdb12bc6bbd35de6/FLAG0264d0690 [2019-08-31 03:27:23,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7efd689db/0a3eed02263d4885bdb12bc6bbd35de6 [2019-08-31 03:27:23,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:27:23,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:27:23,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:23,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:27:23,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:27:23,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1838f99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23, skipping insertion in model container [2019-08-31 03:27:23,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,493 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:27:23,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:27:23,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:23,687 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:27:23,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:23,716 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:27:23,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23 WrapperNode [2019-08-31 03:27:23,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:23,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:27:23,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:27:23,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:27:23,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (1/1) ... [2019-08-31 03:27:23,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:27:23,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:27:23,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:27:23,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:27:23,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:23" (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 03:27:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:27:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:27:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 03:27:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:27:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:27:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:27:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-31 03:27:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:27:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:27:24,118 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:27:24,118 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:27:24,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:24 BoogieIcfgContainer [2019-08-31 03:27:24,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:27:24,121 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:27:24,121 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:27:24,121 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:27:24,122 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:24" (1/1) ... [2019-08-31 03:27:24,160 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:27:24,160 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:27:24,168 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:27:24,181 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:27:24,183 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:27:24,339 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-31 03:27:24,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:24,379 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 03:27:24,379 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:24,512 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-08-31 03:27:24,513 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:24,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:24,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:24,568 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 03:27:24,569 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 03:27:24,571 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:24,715 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-08-31 03:27:24,715 INFO L567 ElimStorePlain]: treesize reduction 8, result has 90.2 percent of original size [2019-08-31 03:27:24,716 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:24,717 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:74 [2019-08-31 03:27:24,771 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 68 for LOIs [2019-08-31 03:27:24,844 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 21 [2019-08-31 03:27:24,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:25,015 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2019-08-31 03:27:25,016 INFO L567 ElimStorePlain]: treesize reduction 25, result has 76.0 percent of original size [2019-08-31 03:27:25,017 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:25,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:79 [2019-08-31 03:27:25,102 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:27:25,102 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:27:25,107 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(exists ((v_~p1~0.offset_13 Int) (v_~p1~0.base_13 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (<= 0 |old(~p1~0.offset)|) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (<= |old(~p1~0.offset)| 0) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (= (store (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) ~p1~0.base (store (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) ~p1~0.base) ~p1~0.offset 1000)) |#memory_int|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (<= |old(~p2~0.base)| 0) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (<= 0 |old(~p1~0.offset)|) (= |#memory_int| (store (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 1)) ~p1~0.base (store (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 1)) ~p1~0.base) ~p1~0.offset 1000))) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_~p1~0.base_13) v_~p1~0.offset_13) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 5) (<= |old(~p1~0.offset)| 0) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (<= |old(~p2~0.base)| 0) (= ~p2~0.offset ~p1~0.offset) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)))) [2019-08-31 03:27:25,131 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:27:25,131 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:27:25,134 INFO L168 Benchmark]: Toolchain (without parser) took 1656.96 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 88.4 MB in the beginning and 92.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,135 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.92 ms. Allocated memory is still 132.6 MB. Free memory was 88.2 MB in the beginning and 78.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,137 INFO L168 Benchmark]: Boogie Preprocessor took 116.38 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 78.6 MB in the beginning and 176.7 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,138 INFO L168 Benchmark]: RCFGBuilder took 286.11 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 162.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,138 INFO L168 Benchmark]: Sifa took 1011.04 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 92.3 MB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:25,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.92 ms. Allocated memory is still 132.6 MB. Free memory was 88.2 MB in the beginning and 78.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.38 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 78.6 MB in the beginning and 176.7 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.11 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 162.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Sifa took 1011.04 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 92.3 MB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.9s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 10 TOOLS_POST_APPLICATIONS, 0.5s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.3s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.8s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 13 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, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 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, 42 DAG_COMPRESSION_PROCESSED_NODES, 26 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 37]: 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 33#(exists ((v_~p1~0.offset_13 Int) (v_~p1~0.base_13 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (<= 0 |old(~p1~0.offset)|) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (<= |old(~p1~0.offset)| 0) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (= (store (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) ~p1~0.base (store (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) ~p1~0.base) ~p1~0.offset 1000)) |#memory_int|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (<= |old(~p2~0.base)| 0) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (<= 0 |old(~p1~0.offset)|) (= |#memory_int| (store (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 1)) ~p1~0.base (store (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 1)) ~p1~0.base) ~p1~0.offset 1000))) (< |~#b~0.base| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (<= 0 |#NULL.offset|) (= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_~p1~0.base_13) v_~p1~0.offset_13) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 5) (<= |old(~p1~0.offset)| 0) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (<= |old(~p2~0.base)| 0) (= ~p2~0.offset ~p1~0.offset) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...