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/test08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:06,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:06,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:06,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:06,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:06,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:06,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:06,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:06,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:06,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:06,832 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:06,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:06,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:06,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:06,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:06,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:06,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:06,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:06,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:06,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:06,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:06,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:06,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:06,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:06,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:45:06,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:06,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:06,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:06,857 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 21:45:06,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:06,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:06,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:06,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:06,873 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:06,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:06,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:06,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:06,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:06,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:06,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:06,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:06,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:06,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:06,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:06,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:06,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:06,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:06,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:06,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:06,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:06,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:06,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:06,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:06,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:06,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:06,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:06,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:06,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:06,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:06,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:06,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:06,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:06,923 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:06,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test08.c [2019-08-22 21:45:06,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324efcccc/f2ae2e5c27e0445b8abd68b72b8ac09a/FLAGbf4ef8bb1 [2019-08-22 21:45:07,427 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:07,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test08.c [2019-08-22 21:45:07,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324efcccc/f2ae2e5c27e0445b8abd68b72b8ac09a/FLAGbf4ef8bb1 [2019-08-22 21:45:07,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324efcccc/f2ae2e5c27e0445b8abd68b72b8ac09a [2019-08-22 21:45:07,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:07,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:07,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:07,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:07,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:07,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:07" (1/1) ... [2019-08-22 21:45:07,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e99bb0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:07, skipping insertion in model container [2019-08-22 21:45:07,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:07" (1/1) ... [2019-08-22 21:45:07,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:07,865 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:08,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:08,043 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:08,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:08,069 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:08,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08 WrapperNode [2019-08-22 21:45:08,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:08,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:08,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:08,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:08,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:08,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:08,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:08,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:08,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:08" (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 [2019-08-22 21:45:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 21:45:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:45:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-22 21:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:08,468 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:08,468 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:08,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:08 BoogieIcfgContainer [2019-08-22 21:45:08,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:08,471 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:08,471 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:08,472 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:08,473 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:08" (1/1) ... [2019-08-22 21:45:08,511 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:08,516 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:08,529 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:08,540 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:08,541 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:08,612 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-22 21:45:08,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:08,644 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 [2019-08-22 21:45:08,645 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:08,752 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-08-22 21:45:08,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:08,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:08,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:08,813 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:45:08,814 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 [2019-08-22 21:45:08,817 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:08,933 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-08-22 21:45:08,933 INFO L567 ElimStorePlain]: treesize reduction 8, result has 90.2 percent of original size [2019-08-22 21:45:08,934 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:08,934 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:74 [2019-08-22 21:45:08,993 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 68 [2019-08-22 21:45:09,071 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:09,071 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:09,074 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 31#(exists ((v_~p1~0.offset_14 Int) (v_~p1~0.base_14 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#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 |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= |old(~p1~0.base)| 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (= (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)) |#memory_int|) (< |~#a~0.base| |#StackHeapBarrier|) (not (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 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)) v_~p1~0.base_14) v_~p1~0.offset_14) (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))) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (= ~p2~0.offset ~p1~0.offset) (<= |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)) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0) (<= 0 |old(~p1~0.base)|)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#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)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= |old(~p1~0.base)| 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (not (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (= (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)) |#memory_int|) (<= 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)) (= |#NULL.offset| 0) (= ~p2~0.base ~p1~0.base) (<= 0 |old(~p1~0.base)|)))) [2019-08-22 21:45:09,090 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:45:09,091 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:09,093 INFO L168 Benchmark]: Toolchain (without parser) took 1258.86 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 89.8 MB in the beginning and 118.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,094 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.05 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 80.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,096 INFO L168 Benchmark]: Boogie Preprocessor took 113.48 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 80.0 MB in the beginning and 177.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,097 INFO L168 Benchmark]: RCFGBuilder took 286.60 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 163.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,098 INFO L168 Benchmark]: Symbolic Interpretation took 620.19 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 118.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:09,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 36]: 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 31#(exists ((v_~p1~0.offset_14 Int) (v_~p1~0.base_14 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#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 |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= |old(~p1~0.base)| 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (= (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)) |#memory_int|) (< |~#a~0.base| |#StackHeapBarrier|) (not (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (<= 0 |old(~p2~0.base)|) (= 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)) v_~p1~0.base_14) v_~p1~0.offset_14) (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))) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (<= |#NULL.base| 0) (not (= |~#b~0.base| |~#a~0.base|)) (= ~p2~0.offset ~p1~0.offset) (<= |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)) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0) (<= 0 |old(~p1~0.base)|)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#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)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (<= 0 |~#b~0.offset|) (= 0 |~#b~0.offset|) (<= |old(~p1~0.base)| 0) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= |~#a~0.offset| 0) (< |~#a~0.base| |#StackHeapBarrier|) (not (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= ~p2~0.offset |~#b~0.offset|) (<= |~#b~0.offset| 0) (= (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)) |#memory_int|) (<= 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)) (= |#NULL.offset| 0) (= ~p2~0.base ~p1~0.base) (<= 0 |old(~p1~0.base)|)))). 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 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.05 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 80.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.48 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 80.0 MB in the beginning and 177.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 286.60 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 163.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 620.19 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 118.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...