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 0.1.24-584d7b9 [2019-08-31 03:26:18,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:26:18,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:26:18,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:26:18,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:26:18,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:26:18,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:26:18,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:26:18,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:26:18,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:26:18,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:26:18,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:26:18,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:26:18,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:26:18,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:26:18,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:26:18,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:26:18,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:26:18,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:26:18,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:26:18,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:26:18,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:26:18,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:26:18,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:26:18,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:26:18,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:26:18,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:26:18,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:26:18,132 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 [2019-08-31 03:26:18,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:26:18,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:26:18,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:26:18,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:26:18,149 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:26:18,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:26:18,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:26:18,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:26:18,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:26:18,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:26:18,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:26:18,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:26:18,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:26:18,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:26:18,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:26:18,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:26:18,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:26:18,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:26:18,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:26:18,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:26:18,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:26:18,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:26:18,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:26:18,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:26:18,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:26:18,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:26:18,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:26:18,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:26:18,203 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:26:18,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/recursive_list.i [2019-08-31 03:26:18,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df4edc36/f96fa5ca217e46ddaa336803c0241540/FLAG46422adc3 [2019-08-31 03:26:18,772 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:26:18,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/recursive_list.i [2019-08-31 03:26:18,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df4edc36/f96fa5ca217e46ddaa336803c0241540/FLAG46422adc3 [2019-08-31 03:26:19,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df4edc36/f96fa5ca217e46ddaa336803c0241540 [2019-08-31 03:26:19,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:26:19,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:26:19,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:19,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:26:19,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:26:19,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3f1e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19, skipping insertion in model container [2019-08-31 03:26:19,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:26:19,200 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:26:19,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:19,427 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:26:19,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:26:19,459 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:26:19,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19 WrapperNode [2019-08-31 03:26:19,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:26:19,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:26:19,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:26:19,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:26:19,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:19,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:26:19,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:26:19,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:26:19,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:26:19,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:26:19" (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 [2019-08-31 03:26:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:26:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:26:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-31 03:26:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_memory [2019-08-31 03:26:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2019-08-31 03:26:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_memory [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:26:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure append [2019-08-31 03:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:26:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:26:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:26:19,989 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:26:19,989 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:26:19,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:19 BoogieIcfgContainer [2019-08-31 03:26:19,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:26:19,991 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:26:19,991 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:26:19,992 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:26:19,993 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:26:19" (1/1) ... [2019-08-31 03:26:20,030 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:26:20,031 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:26:20,040 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:26:20,050 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:26:20,051 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:26:20,161 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 [2019-08-31 03:26:20,161 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:20,181 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:20,182 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:20,183 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-31 03:26:20,204 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-08-31 03:26:20,240 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:26:20,445 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-08-31 03:26:20,446 INFO L567 ElimStorePlain]: treesize reduction 12, result has 90.2 percent of original size [2019-08-31 03:26:20,447 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:26:20,448 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:136, output treesize:110 [2019-08-31 03:26:20,467 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:26:20,498 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 [2019-08-31 03:26:20,499 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:20,613 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-31 03:26:20,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:20,650 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 17 [2019-08-31 03:26:20,651 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:20,839 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-08-31 03:26:20,840 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.5 percent of original size [2019-08-31 03:26:20,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:20,867 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 20 treesize of output 9 [2019-08-31 03:26:20,868 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:20,938 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:20,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:20,958 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 16 treesize of output 17 [2019-08-31 03:26:20,959 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,054 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:21,077 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 20 treesize of output 9 [2019-08-31 03:26:21,077 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,140 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,140 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:122, output treesize:80 [2019-08-31 03:26:21,149 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_21|]} [2019-08-31 03:26:21,155 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 [2019-08-31 03:26:21,156 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,174 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,179 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 [2019-08-31 03:26:21,180 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,195 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,196 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2019-08-31 03:26:21,213 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|]} [2019-08-31 03:26:21,229 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 [2019-08-31 03:26:21,230 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,372 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-08-31 03:26:21,373 INFO L567 ElimStorePlain]: treesize reduction 3, result has 97.1 percent of original size [2019-08-31 03:26:21,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:26:21,386 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 [2019-08-31 03:26:21,386 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,453 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 [2019-08-31 03:26:21,454 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,507 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 [2019-08-31 03:26:21,508 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,559 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,567 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 [2019-08-31 03:26:21,568 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,606 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,606 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:120, output treesize:64 [2019-08-31 03:26:21,630 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,706 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,759 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:130, output treesize:90 [2019-08-31 03:26:21,788 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 17 treesize of output 7 [2019-08-31 03:26:21,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,854 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,854 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:92 [2019-08-31 03:26:21,873 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 [2019-08-31 03:26:21,873 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:21,965 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:21,975 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 [2019-08-31 03:26:21,976 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:22,085 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 [2019-08-31 03:26:22,085 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,161 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:22,169 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 9 treesize of output 3 [2019-08-31 03:26:22,170 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:22,257 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 9 treesize of output 3 [2019-08-31 03:26:22,258 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:22,319 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,319 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:132, output treesize:97 [2019-08-31 03:26:22,343 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 [2019-08-31 03:26:22,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:26:22,395 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:26:22,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:26:22,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:143, output treesize:126 [2019-08-31 03:26:22,400 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 53 for LOIs [2019-08-31 03:26:22,402 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:26:22,402 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:26:22,404 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 40#(exists ((v_main_~l~0.base_BEFORE_CALL_3 Int) (v_main_~l~0.offset_BEFORE_CALL_3 Int)) (and (= (select |#valid| v_main_~l~0.base_BEFORE_CALL_3) 1) (not (= 0 v_main_~l~0.base_BEFORE_CALL_3)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (<= ~i~0 1) (<= (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 0) (<= v_main_~l~0.offset_BEFORE_CALL_3 0) (not (= 0 (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)))) (<= 0 v_main_~l~0.offset_BEFORE_CALL_3) (= 8 (select |#length| v_main_~l~0.base_BEFORE_CALL_3)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 4))) 0) (< |#StackHeapBarrier| v_main_~l~0.base_BEFORE_CALL_3) (<= 1 ~i~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~l~0.base_BEFORE_CALL_3) v_main_~l~0.offset_BEFORE_CALL_3) 2) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))))) [2019-08-31 03:26:22,422 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:26:22,423 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:26:22,424 INFO L168 Benchmark]: Toolchain (without parser) took 3265.54 ms. Allocated memory was 132.6 MB in the beginning and 263.7 MB in the end (delta: 131.1 MB). Free memory was 88.4 MB in the beginning and 188.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,427 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.40 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,429 INFO L168 Benchmark]: Boogie Preprocessor took 146.94 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.0 MB in the beginning and 175.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,430 INFO L168 Benchmark]: RCFGBuilder took 382.45 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,431 INFO L168 Benchmark]: Sifa took 2431.48 ms. Allocated memory was 199.8 MB in the beginning and 263.7 MB in the end (delta: 64.0 MB). Free memory was 159.3 MB in the beginning and 188.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:26:22,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 300.40 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.94 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.0 MB in the beginning and 175.6 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.45 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Sifa took 2431.48 ms. Allocated memory was 199.8 MB in the beginning and 263.7 MB in the end (delta: 64.0 MB). Free memory was 159.3 MB in the beginning and 188.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.4s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 19 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 12 TOOLS_POST_APPLICATIONS, 0.8s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.9s TOOLS_POST_CALL_TIME, 4 TOOLS_POST_RETURN_APPLICATIONS, 0.6s TOOLS_POST_RETURN_TIME, 2.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 19 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 4 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 4 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 0.6s CALL_SUMMARIZER_OVERALL_TIME, 0.6s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 61 DAG_COMPRESSION_PROCESSED_NODES, 39 DAG_COMPRESSION_RETAINED_NODES - 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 40#(exists ((v_main_~l~0.base_BEFORE_CALL_3 Int) (v_main_~l~0.offset_BEFORE_CALL_3 Int)) (and (= (select |#valid| v_main_~l~0.base_BEFORE_CALL_3) 1) (not (= 0 v_main_~l~0.base_BEFORE_CALL_3)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (<= ~i~0 1) (<= (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 0) (<= v_main_~l~0.offset_BEFORE_CALL_3 0) (not (= 0 (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)))) (<= 0 v_main_~l~0.offset_BEFORE_CALL_3) (= 8 (select |#length| v_main_~l~0.base_BEFORE_CALL_3)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 4))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))) (+ (select (select |#memory_$Pointer$.offset| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4)) 4))) 0) (< |#StackHeapBarrier| v_main_~l~0.base_BEFORE_CALL_3) (<= 1 ~i~0) (= |#NULL.offset| 0) (= (select (select |#memory_int| v_main_~l~0.base_BEFORE_CALL_3) v_main_~l~0.offset_BEFORE_CALL_3) 2) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_main_~l~0.base_BEFORE_CALL_3) (+ v_main_~l~0.offset_BEFORE_CALL_3 4))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...