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-a32b1f7 [2019-08-18 06:53:46,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:46,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:46,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:46,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:46,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:46,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:46,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:46,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:46,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:46,103 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:46,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:46,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:46,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:46,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:46,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:46,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:46,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:46,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:46,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:46,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:46,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:46,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:46,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:46,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:53:46,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:46,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:46,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:46,129 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 [2019-08-18 06:53:46,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:46,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:46,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:46,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:46,149 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:46,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:46,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:46,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:46,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:46,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:46,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:46,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:46,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:46,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:46,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:46,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:46,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:46,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:46,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:46,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:46,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:46,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:46,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:46,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:46,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:46,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:46,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:46,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:46,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:46,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:46,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:46,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:46,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:46,205 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:46,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-08-18 06:53:46,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2471f4fab/f88a28f73ec94971930f03307e7a0de1/FLAGa232ef8f0 [2019-08-18 06:53:46,723 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:46,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-08-18 06:53:46,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2471f4fab/f88a28f73ec94971930f03307e7a0de1/FLAGa232ef8f0 [2019-08-18 06:53:47,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2471f4fab/f88a28f73ec94971930f03307e7a0de1 [2019-08-18 06:53:47,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:47,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:47,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:47,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:47,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:47,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28291864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47, skipping insertion in model container [2019-08-18 06:53:47,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:47,188 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:47,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:47,376 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:47,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:47,407 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47 WrapperNode [2019-08-18 06:53:47,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:47,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:47,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:47,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:47,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:47,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:47,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:47,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:47,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:47" (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 [2019-08-18 06:53:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-18 06:53:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-18 06:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 06:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:53:47,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:47,902 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:53:47,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:47 BoogieIcfgContainer [2019-08-18 06:53:47,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:47,904 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:47,905 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:47,905 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:47,906 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:47" (1/1) ... [2019-08-18 06:53:47,916 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:47,918 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:47,924 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:47,931 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:47,932 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:48,024 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 [2019-08-18 06:53:48,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,052 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:48,053 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,054 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:53:48,068 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:53:48,094 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|], 6=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|]} [2019-08-18 06:53:48,146 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-18 06:53:48,147 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 [2019-08-18 06:53:48,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:48,313 INFO L341 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2019-08-18 06:53:48,314 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 [2019-08-18 06:53:48,317 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:48,515 INFO L341 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2019-08-18 06:53:48,516 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 [2019-08-18 06:53:48,518 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,597 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:48,598 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:48,599 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:86, output treesize:108 [2019-08-18 06:53:48,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-18 06:53:48,648 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:48,649 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:48,652 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 32#(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_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 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) (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|)) (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|) (= (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|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 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)) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#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|)) [2019-08-18 06:53:48,668 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:53:48,669 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:48,671 INFO L168 Benchmark]: Toolchain (without parser) took 1520.11 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.7 MB in the beginning and 105.4 MB in the end (delta: -18.8 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,672 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.24 ms. Allocated memory is still 138.9 MB. Free memory was 86.5 MB in the beginning and 76.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,674 INFO L168 Benchmark]: Boogie Preprocessor took 144.85 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,675 INFO L168 Benchmark]: RCFGBuilder took 351.04 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,676 INFO L168 Benchmark]: Symbolic Interpretation took 764.66 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 106.1 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:48,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 32#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$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 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.24 ms. Allocated memory is still 138.9 MB. Free memory was 86.5 MB in the beginning and 76.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.85 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.04 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 764.66 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 106.1 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...