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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:16,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:16,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:16,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:16,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:16,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:16,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:16,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:16,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:16,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:16,862 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:16,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:16,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:16,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:16,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:16,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:16,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:16,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:16,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:16,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:16,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:16,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:16,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:16,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:16,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:45:16,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:16,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:16,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:16,888 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 21:45:16,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:16,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:16,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:16,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:16,916 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:16,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:16,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:16,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:16,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:16,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:16,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:16,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:16,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:16,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:16,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:16,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:16,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:16,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:16,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:16,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:16,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:16,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:16,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:16,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:16,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:16,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:16,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:16,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:16,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:16,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:16,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:16,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:16,987 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:16,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-08-22 21:45:17,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87594e1c1/6ef4bdd5c91d490185493a6bd5b9f5da/FLAGa16754f79 [2019-08-22 21:45:17,510 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:17,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-08-22 21:45:17,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87594e1c1/6ef4bdd5c91d490185493a6bd5b9f5da/FLAGa16754f79 [2019-08-22 21:45:17,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87594e1c1/6ef4bdd5c91d490185493a6bd5b9f5da [2019-08-22 21:45:17,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:17,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:17,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:17,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:17,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:17,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:17" (1/1) ... [2019-08-22 21:45:17,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691f8d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:17, skipping insertion in model container [2019-08-22 21:45:17,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:17" (1/1) ... [2019-08-22 21:45:17,939 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:17,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:18,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:18,132 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:18,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:18,161 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:18,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18 WrapperNode [2019-08-22 21:45:18,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:18,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:18,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:18,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:18,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:18,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:18,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:18,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:18,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:18" (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 21:45:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-22 21:45:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:45:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:18,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:18,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:45:18,567 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:18,567 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:18,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:18 BoogieIcfgContainer [2019-08-22 21:45:18,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:18,570 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:18,570 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:18,570 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:18,572 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:18" (1/1) ... [2019-08-22 21:45:18,595 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:18,598 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:18,606 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:18,617 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:18,618 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:18,714 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 21:45:18,714 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:18,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:18,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:18,757 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:45:18,785 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:45:18,819 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|], 6=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|]} [2019-08-22 21:45:18,869 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-22 21:45:18,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2019-08-22 21:45:18,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:18,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:19,025 INFO L341 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2019-08-22 21:45:19,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 49 [2019-08-22 21:45:19,028 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:19,100 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:19,191 INFO L341 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2019-08-22 21:45:19,192 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 49 [2019-08-22 21:45:19,193 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:19,258 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:19,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:19,259 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:108 [2019-08-22 21:45:19,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-22 21:45:19,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-22 21:45:19,319 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:19,319 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:19,323 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 40#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (<= |main_~#b~0.offset| 0) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (<= |main_~#pb~1.offset| 0) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (<= 0 |#NULL.offset|) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (<= |#NULL.base| 0) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (<= 0 |main_~#a~0.offset|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= |main_~#a~0.offset| 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (<= 0 |main_~#pb~1.offset|) (<= 0 |main_~#b~0.offset|) (<= |main_~#pa~1.offset| 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (<= 0 |main_~#pa~1.offset|) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)) [2019-08-22 21:45:19,339 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:45:19,339 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:19,345 INFO L168 Benchmark]: Toolchain (without parser) took 1417.19 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.3 MB in the beginning and 103.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,346 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:45:19,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.64 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 78.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,351 INFO L168 Benchmark]: Boogie Preprocessor took 128.47 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.9 MB in the beginning and 175.6 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,352 INFO L168 Benchmark]: RCFGBuilder took 277.54 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 160.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,352 INFO L168 Benchmark]: Symbolic Interpretation took 769.85 ms. Allocated memory is still 199.8 MB. Free memory was 160.4 MB in the beginning and 103.0 MB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:19,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 40#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (<= |main_~#b~0.offset| 0) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (<= |main_~#pb~1.offset| 0) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (<= 0 |#NULL.offset|) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (<= |#NULL.base| 0) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (<= 0 |main_~#a~0.offset|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= |main_~#a~0.offset| 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (<= 0 |main_~#pb~1.offset|) (<= 0 |main_~#b~0.offset|) (<= |main_~#pa~1.offset| 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (<= 0 |main_~#pa~1.offset|) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.64 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 78.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.47 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.9 MB in the beginning and 175.6 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.54 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 160.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 769.85 ms. Allocated memory is still 199.8 MB. Free memory was 160.4 MB in the beginning and 103.0 MB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...