java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 13:49:00,073 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 13:49:00,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 13:49:00,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 13:49:00,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 13:49:00,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 13:49:00,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 13:49:00,090 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 13:49:00,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 13:49:00,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 13:49:00,093 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 13:49:00,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 13:49:00,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 13:49:00,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 13:49:00,096 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 13:49:00,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 13:49:00,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 13:49:00,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 13:49:00,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 13:49:00,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 13:49:00,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-10 13:49:00,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-10 13:49:00,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-10 13:49:00,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-10 13:49:00,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-10 13:49:00,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-10 13:49:00,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-10 13:49:00,109 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-10 13:49:00,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-10 13:49:00,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 13:49:00,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 13:49:00,110 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-10 13:49:00,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 13:49:00,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 13:49:00,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 13:49:00,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 13:49:00,122 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 13:49:00,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 13:49:00,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 13:49:00,122 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 13:49:00,123 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 13:49:00,123 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 13:49:00,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 13:49:00,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 13:49:00,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 13:49:00,124 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 13:49:00,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 13:49:00,124 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-04-10 13:49:00,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 13:49:00,159 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 13:49:00,162 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 13:49:00,163 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 13:49:00,163 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 13:49:00,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:00,454 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGba80dfb37 [2018-04-10 13:49:00,554 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 13:49:00,554 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 13:49:00,555 INFO L168 CDTParser]: Scanning ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:00,555 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 13:49:00,555 INFO L215 ultiparseSymbolTable]: [2018-04-10 13:49:00,555 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 13:49:00,555 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:00,556 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__foo ('foo') in ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:00,556 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__bar ('bar') in ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:00,556 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 13:49:00,556 INFO L233 ultiparseSymbolTable]: [2018-04-10 13:49:00,568 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGba80dfb37 [2018-04-10 13:49:00,571 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 13:49:00,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 13:49:00,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 13:49:00,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 13:49:00,578 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 13:49:00,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624eadcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00, skipping insertion in model container [2018-04-10 13:49:00,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,593 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 13:49:00,604 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 13:49:00,719 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 13:49:00,742 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 13:49:00,747 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 10 non ball SCCs. Number of states in SCCs 10. [2018-04-10 13:49:00,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00 WrapperNode [2018-04-10 13:49:00,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 13:49:00,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 13:49:00,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 13:49:00,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 13:49:00,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... [2018-04-10 13:49:00,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 13:49:00,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 13:49:00,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 13:49:00,787 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 13:49:00,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-04-10 13:49:00,826 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 13:49:00,826 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 13:49:00,826 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__bar [2018-04-10 13:49:00,826 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__foo [2018-04-10 13:49:00,826 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 13:49:00,826 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__bar [2018-04-10 13:49:00,826 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 13:49:00,826 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__foo [2018-04-10 13:49:00,826 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 13:49:00,826 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 13:49:00,827 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 13:49:00,827 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 13:49:00,827 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 13:49:00,827 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 13:49:00,827 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 13:49:01,066 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 13:49:01,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 01:49:01 BoogieIcfgContainer [2018-04-10 13:49:01,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 13:49:01,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 13:49:01,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 13:49:01,070 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 13:49:01,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 01:49:00" (1/3) ... [2018-04-10 13:49:01,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fa2053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 01:49:01, skipping insertion in model container [2018-04-10 13:49:01,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 01:49:00" (2/3) ... [2018-04-10 13:49:01,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fa2053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 01:49:01, skipping insertion in model container [2018-04-10 13:49:01,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 01:49:01" (3/3) ... [2018-04-10 13:49:01,072 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-write.c [2018-04-10 13:49:01,078 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 13:49:01,082 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-04-10 13:49:01,110 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 13:49:01,110 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 13:49:01,110 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 13:49:01,110 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 13:49:01,110 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 13:49:01,110 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 13:49:01,111 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 13:49:01,111 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 13:49:01,111 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 13:49:01,111 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 13:49:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2018-04-10 13:49:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 13:49:01,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:49:01,130 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:49:01,130 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-10 13:49:01,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2016169232, now seen corresponding path program 1 times [2018-04-10 13:49:01,134 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:49:01,134 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:49:01,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:49:01,162 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:49:01,188 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:49:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 13:49:01,208 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:49:01,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-10 13:49:01,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-10 13:49:01,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-10 13:49:01,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 13:49:01,224 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2018-04-10 13:49:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:49:01,239 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-04-10 13:49:01,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-10 13:49:01,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-04-10 13:49:01,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:49:01,249 INFO L225 Difference]: With dead ends: 68 [2018-04-10 13:49:01,249 INFO L226 Difference]: Without dead ends: 65 [2018-04-10 13:49:01,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 13:49:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-10 13:49:01,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-04-10 13:49:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-10 13:49:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-04-10 13:49:01,276 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 13 [2018-04-10 13:49:01,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:49:01,276 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-04-10 13:49:01,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-10 13:49:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-04-10 13:49:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-10 13:49:01,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:49:01,276 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:49:01,276 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-10 13:49:01,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1480772723, now seen corresponding path program 1 times [2018-04-10 13:49:01,277 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:49:01,277 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:49:01,277 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:49:01,278 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:49:01,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:49:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 13:49:01,325 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:49:01,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 13:49:01,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-10 13:49:01,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-10 13:49:01,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 13:49:01,328 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 3 states. [2018-04-10 13:49:01,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:49:01,369 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2018-04-10 13:49:01,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-10 13:49:01,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-04-10 13:49:01,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:49:01,371 INFO L225 Difference]: With dead ends: 71 [2018-04-10 13:49:01,371 INFO L226 Difference]: Without dead ends: 71 [2018-04-10 13:49:01,372 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 13:49:01,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-10 13:49:01,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64. [2018-04-10 13:49:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-10 13:49:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2018-04-10 13:49:01,377 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2018-04-10 13:49:01,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:49:01,378 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2018-04-10 13:49:01,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-10 13:49:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2018-04-10 13:49:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-10 13:49:01,378 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:49:01,378 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:49:01,378 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-10 13:49:01,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1380848046, now seen corresponding path program 1 times [2018-04-10 13:49:01,379 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:49:01,379 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:49:01,379 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:49:01,379 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:49:01,399 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:49:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 13:49:01,664 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:49:01,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-10 13:49:01,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-10 13:49:01,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-10 13:49:01,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-10 13:49:01,665 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 7 states. [2018-04-10 13:49:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:49:01,908 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2018-04-10 13:49:01,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 13:49:01,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-10 13:49:01,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:49:01,911 INFO L225 Difference]: With dead ends: 103 [2018-04-10 13:49:01,911 INFO L226 Difference]: Without dead ends: 103 [2018-04-10 13:49:01,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-10 13:49:01,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-10 13:49:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2018-04-10 13:49:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-10 13:49:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-04-10 13:49:01,919 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 17 [2018-04-10 13:49:01,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:49:01,919 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-04-10 13:49:01,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-10 13:49:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-04-10 13:49:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 13:49:01,920 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:49:01,920 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:49:01,920 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-10 13:49:01,920 INFO L82 PathProgramCache]: Analyzing trace with hash 143383490, now seen corresponding path program 1 times [2018-04-10 13:49:01,920 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:49:01,921 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:49:01,921 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:49:01,922 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 13:49:01,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 13:49:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 13:49:01,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 13:49:01,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-10 13:49:01,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-10 13:49:01,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-10 13:49:01,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 13:49:01,959 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 3 states. [2018-04-10 13:49:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 13:49:01,980 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-04-10 13:49:01,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-10 13:49:01,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-04-10 13:49:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 13:49:01,981 INFO L225 Difference]: With dead ends: 85 [2018-04-10 13:49:01,981 INFO L226 Difference]: Without dead ends: 85 [2018-04-10 13:49:01,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 13:49:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-10 13:49:01,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-04-10 13:49:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-10 13:49:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-04-10 13:49:01,985 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 18 [2018-04-10 13:49:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 13:49:01,985 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-04-10 13:49:01,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-10 13:49:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-04-10 13:49:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 13:49:01,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 13:49:01,985 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 13:49:01,985 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__fooErr3RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength__false_valid_deref_write_c__barErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-10 13:49:01,986 INFO L82 PathProgramCache]: Analyzing trace with hash 143383491, now seen corresponding path program 1 times [2018-04-10 13:49:01,986 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-10 13:49:01,986 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-10 13:49:01,986 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-10 13:49:01,986 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-10 13:49:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 13:49:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-10 13:49:02,021 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-10 13:49:02,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 01:49:02 BoogieIcfgContainer [2018-04-10 13:49:02,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 13:49:02,037 INFO L168 Benchmark]: Toolchain (without parser) took 1465.97 ms. Allocated memory was 381.2 MB in the beginning and 565.7 MB in the end (delta: 184.5 MB). Free memory was 323.0 MB in the beginning and 430.2 MB in the end (delta: -107.2 MB). Peak memory consumption was 77.3 MB. Max. memory is 5.3 GB. [2018-04-10 13:49:02,038 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 381.2 MB. Free memory is still 342.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 13:49:02,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.50 ms. Allocated memory is still 381.2 MB. Free memory was 323.0 MB in the beginning and 312.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-10 13:49:02,038 INFO L168 Benchmark]: Boogie Preprocessor took 29.94 ms. Allocated memory is still 381.2 MB. Free memory is still 312.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 13:49:02,038 INFO L168 Benchmark]: RCFGBuilder took 280.53 ms. Allocated memory was 381.2 MB in the beginning and 565.7 MB in the end (delta: 184.5 MB). Free memory was 312.4 MB in the beginning and 522.8 MB in the end (delta: -210.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 5.3 GB. [2018-04-10 13:49:02,039 INFO L168 Benchmark]: TraceAbstraction took 969.03 ms. Allocated memory is still 565.7 MB. Free memory was 522.8 MB in the beginning and 430.2 MB in the end (delta: 92.6 MB). Peak memory consumption was 92.6 MB. Max. memory is 5.3 GB. [2018-04-10 13:49:02,040 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 381.2 MB. Free memory is still 342.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 183.50 ms. Allocated memory is still 381.2 MB. Free memory was 323.0 MB in the beginning and 312.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.94 ms. Allocated memory is still 381.2 MB. Free memory is still 312.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 280.53 ms. Allocated memory was 381.2 MB in the beginning and 565.7 MB in the end (delta: 184.5 MB). Free memory was 312.4 MB in the beginning and 522.8 MB in the end (delta: -210.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 969.03 ms. Allocated memory is still 565.7 MB. Free memory was 522.8 MB in the beginning and 430.2 MB in the end (delta: 92.6 MB). Peak memory consumption was 92.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L32] FCALL int i, b[100]; VAL [b={402:0}] [L33] i = 0 VAL [b={402:0}, i=0] [L33] COND TRUE i < 100 VAL [b={402:0}, i=0] [L34] CALL foo(i, b, i + 1) VAL [\old(n)=0, \old(size)=1, b={402:0}] [L21] FCALL int a[n], i; VAL [\old(n)=0, \old(size)=1, a={403:0}, b={402:0}, b={402:0}, n=0, size=1] [L21] int a[n], i; [L22] i = 0 VAL [\old(n)=0, \old(size)=1, a={403:0}, b={402:0}, b={402:0}, i=0, n=0, size=1] [L22] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, a={403:0}, b={402:0}, b={402:0}, i=0, n=0, size=1] [L23] EXPR, FCALL b[i] VAL [\old(n)=0, \old(size)=1, a={403:0}, b={402:0}, b={402:0}, b[i]=405, i=0, n=0, size=1] [L23] FCALL a[i] = b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 68 locations, 11 error locations. UNSAFE Result, 0.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 246 SDtfs, 96 SDslu, 255 SDs, 0 SdLazy, 164 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 3154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_13-49-02-045.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_13-49-02-045.csv Received shutdown request...