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/recursive_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:53:10,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:10,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:10,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:10,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:10,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:10,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:10,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:10,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:10,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:10,132 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:10,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:10,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:10,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:10,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:10,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:10,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:10,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:10,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:10,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:10,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:10,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:10,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:10,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:10,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:53:10,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:53:10,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:53:10,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:53:10,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:53:10,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:53:10,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:53:10,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:53:10,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:53:10,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:10,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:10,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:10,157 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 06:53:10,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:10,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:10,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:10,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:10,173 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:10,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:10,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:10,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:10,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:10,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:10,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:10,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:10,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:10,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:10,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:10,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:10,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:10,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:10,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:10,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:10,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:10,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:10,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:10,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:10,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:10,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:10,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:10,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:10,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:10,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:10,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:10,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:10,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:10,242 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:10,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/recursive_list.i [2019-08-18 06:53:10,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468c21d85/948ef927a0b04c6783a49617b9b5ed06/FLAG0f1e54499 [2019-08-18 06:53:10,764 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:10,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/recursive_list.i [2019-08-18 06:53:10,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468c21d85/948ef927a0b04c6783a49617b9b5ed06/FLAG0f1e54499 [2019-08-18 06:53:11,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468c21d85/948ef927a0b04c6783a49617b9b5ed06 [2019-08-18 06:53:11,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:11,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:11,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:11,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:11,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:11,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c10014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11, skipping insertion in model container [2019-08-18 06:53:11,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:11,204 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:11,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:11,396 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:11,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:11,428 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:11,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11 WrapperNode [2019-08-18 06:53:11,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:11,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:11,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:11,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:11,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:11,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:11,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:11,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:11,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:11" (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 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-18 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_memory [2019-08-18 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2019-08-18 06:53:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 06:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-18 06:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_memory [2019-08-18 06:53:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure append [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:11,936 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:11,937 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:53:11,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:11 BoogieIcfgContainer [2019-08-18 06:53:11,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:11,939 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:11,939 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:11,939 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:11,940 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:11" (1/1) ... [2019-08-18 06:53:11,952 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:11,954 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:11,960 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:11,968 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:11,969 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:12,055 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 06:53:12,055 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,084 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-18 06:53:12,095 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 26 [2019-08-18 06:53:12,122 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:12,214 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,217 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:12,217 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:104 [2019-08-18 06:53:12,231 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_21|]} [2019-08-18 06:53:12,242 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 06:53:12,243 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,295 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:53:12,296 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,314 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,314 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2019-08-18 06:53:12,328 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_16|, |v_#memory_int_16|, |v_#memory_$Pointer$.offset_16|], 2=[|v_#memory_$Pointer$.base_14|, |v_#memory_$Pointer$.offset_14|]} [2019-08-18 06:53:12,339 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:53:12,340 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:53:12,419 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2019-08-18 06:53:12,420 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,477 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,488 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:53:12,488 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,531 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,539 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-18 06:53:12,540 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,592 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-18 06:53:12,593 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,631 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,632 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:114, output treesize:61 [2019-08-18 06:53:12,670 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,749 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,815 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,816 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,816 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:121, output treesize:81 [2019-08-18 06:53:12,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-18 06:53:12,841 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:12,932 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-08-18 06:53:12,932 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:12,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:13,005 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-18 06:53:13,006 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:13,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:13,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-18 06:53:13,074 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:13,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:13,151 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-18 06:53:13,152 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:13,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:13,206 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:13,206 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:112, output treesize:81 [2019-08-18 06:53:13,241 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:53:13,242 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:13,281 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:13,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:13,283 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:91 [2019-08-18 06:53:13,285 INFO L185 IcfgInterpreter]: Interpreting procedure err with input of size 46 [2019-08-18 06:53:13,287 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:13,288 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:13,292 INFO L179 IcfgInterpreter]: Location errErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 28#(exists ((v_main_~l~0.base_BEFORE_CALL_1 Int)) (and (= 1 ~i~0) (< |#StackHeapBarrier| v_main_~l~0.base_BEFORE_CALL_1) (not (= (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4) 0)) (= 1 (select |#valid| v_main_~l~0.base_BEFORE_CALL_1)) (= 0 |#NULL.base|) (= (select (select |#memory_int| v_main_~l~0.base_BEFORE_CALL_1) 0) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4) 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4) 4))) 0) (= 8 (select |#length| v_main_~l~0.base_BEFORE_CALL_1)) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4)) (= |#NULL.offset| 0) (not (= 0 v_main_~l~0.base_BEFORE_CALL_1)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)))) [2019-08-18 06:53:13,313 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:53:13,314 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:13,317 INFO L168 Benchmark]: Toolchain (without parser) took 2148.09 ms. Allocated memory was 140.0 MB in the beginning and 224.9 MB in the end (delta: 84.9 MB). Free memory was 87.9 MB in the beginning and 140.5 MB in the end (delta: -52.6 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,319 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.99 ms. Allocated memory is still 140.0 MB. Free memory was 87.6 MB in the beginning and 77.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,328 INFO L168 Benchmark]: Boogie Preprocessor took 133.20 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,329 INFO L168 Benchmark]: RCFGBuilder took 375.78 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 160.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,330 INFO L168 Benchmark]: Symbolic Interpretation took 1375.23 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.9 MB in the beginning and 140.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:13,342 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 28#(exists ((v_main_~l~0.base_BEFORE_CALL_1 Int)) (and (= 1 ~i~0) (< |#StackHeapBarrier| v_main_~l~0.base_BEFORE_CALL_1) (not (= (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4) 0)) (= 1 (select |#valid| v_main_~l~0.base_BEFORE_CALL_1)) (= 0 |#NULL.base|) (= (select (select |#memory_int| v_main_~l~0.base_BEFORE_CALL_1) 0) 2) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4) 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4) 4))) 0) (= 8 (select |#length| v_main_~l~0.base_BEFORE_CALL_1)) (= 0 (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_1) 4)) (= |#NULL.offset| 0) (not (= 0 v_main_~l~0.base_BEFORE_CALL_1)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_1) 4)))). 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 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.99 ms. Allocated memory is still 140.0 MB. Free memory was 87.6 MB in the beginning and 77.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.20 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.78 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 160.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1375.23 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.9 MB in the beginning and 140.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...