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/test02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:00,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:00,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:00,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:00,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:00,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:00,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:00,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:00,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:00,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:00,325 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:00,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:00,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:00,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:00,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:00,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:00,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:00,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:00,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:00,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:00,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:00,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:00,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:00,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:00,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:45:00,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:45:00,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:45:00,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:45:00,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:45:00,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:45:00,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:45:00,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:45:00,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:45:00,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:45:00,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:45:00,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:45:00,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:45:00,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:45:00,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:00,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:00,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:00,351 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 21:45:00,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:00,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:00,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:00,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:00,368 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:00,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:00,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:00,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:00,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:00,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:00,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:00,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:00,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:00,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:00,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:00,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:00,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:00,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:00,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:00,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:00,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:00,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:00,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:00,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:00,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:00,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:00,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:00,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:00,424 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:00,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2019-08-22 21:45:00,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bee56a37/99eaa52c389b450da00a5feb7d240fac/FLAG0b6d29858 [2019-08-22 21:45:00,934 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:00,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test02.c [2019-08-22 21:45:00,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bee56a37/99eaa52c389b450da00a5feb7d240fac/FLAG0b6d29858 [2019-08-22 21:45:01,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bee56a37/99eaa52c389b450da00a5feb7d240fac [2019-08-22 21:45:01,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:01,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:01,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:01,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:01,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:01,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aebc98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01, skipping insertion in model container [2019-08-22 21:45:01,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:01,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:01,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:01,546 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:01,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:01,590 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:01,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01 WrapperNode [2019-08-22 21:45:01,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:01,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:01,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:01,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:01,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:01,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:01,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:01,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:01,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:01" (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 21:45:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:01,920 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:01,920 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:01,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:01 BoogieIcfgContainer [2019-08-22 21:45:01,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:01,922 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:01,923 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:01,923 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:01,924 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:01" (1/1) ... [2019-08-22 21:45:01,938 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:01,940 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:01,947 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:01,956 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:01,958 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:02,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:45:02,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:02,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:02,117 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:02,117 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-22 21:45:02,141 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 22 [2019-08-22 21:45:02,154 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:02,155 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:02,157 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#a~0.base|)) (<= ~q~0 0) (<= 0 |#NULL.offset|) (= |#valid| (store |old(#valid)| |main_~#a~0.base| 1)) (= 0 ~q~0) (= |main_~#a~0.offset| 0) (<= main_~p1~0.offset 0) (= |#length| (store |old(#length)| |main_~#a~0.base| 4)) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |old(~q~0)|) (= main_~p1~0.base |main_~#a~0.base|) (<= 0 |main_~#a~0.offset|) (<= |main_~#a~0.offset| 0) (<= |old(~q~0)| 0) (= main_~p1~0.base main_~p2~0.base) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (= main_~p1~0.offset |main_~#a~0.offset|) (= main_~p2~0.offset main_~p1~0.offset) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= 0 |old(~q~0)|) (<= 0 ~q~0)) [2019-08-22 21:45:02,169 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:45:02,169 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:02,171 INFO L168 Benchmark]: Toolchain (without parser) took 853.85 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.3 MB in the beginning and 157.8 MB in the end (delta: -67.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:45:02,172 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:45:02,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.99 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 80.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:02,175 INFO L168 Benchmark]: Boogie Preprocessor took 24.81 ms. Allocated memory is still 134.2 MB. Free memory was 80.9 MB in the beginning and 79.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:02,176 INFO L168 Benchmark]: RCFGBuilder took 305.25 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.3 MB in the beginning and 168.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:02,177 INFO L168 Benchmark]: Symbolic Interpretation took 246.63 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 157.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:02,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 17#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#a~0.base|)) (<= ~q~0 0) (<= 0 |#NULL.offset|) (= |#valid| (store |old(#valid)| |main_~#a~0.base| 1)) (= 0 ~q~0) (= |main_~#a~0.offset| 0) (<= main_~p1~0.offset 0) (= |#length| (store |old(#length)| |main_~#a~0.base| 4)) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |old(~q~0)|) (= main_~p1~0.base |main_~#a~0.base|) (<= 0 |main_~#a~0.offset|) (<= |main_~#a~0.offset| 0) (<= |old(~q~0)| 0) (= main_~p1~0.base main_~p2~0.base) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (= main_~p1~0.offset |main_~#a~0.offset|) (= main_~p2~0.offset main_~p1~0.offset) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= 0 |old(~q~0)|) (<= 0 ~q~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.99 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 80.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.81 ms. Allocated memory is still 134.2 MB. Free memory was 80.9 MB in the beginning and 79.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.25 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.3 MB in the beginning and 168.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 246.63 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 157.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...