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_z3.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 17:05:58,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 17:05:58,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 17:05:58,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 17:05:58,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 17:05:58,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 17:05:58,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 17:05:58,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 17:05:58,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 17:05:58,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 17:05:58,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 17:05:58,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 17:05:58,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 17:05:58,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 17:05:58,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 17:05:58,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 17:05:58,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 17:05:58,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 17:05:58,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 17:05:58,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 17:05:58,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-10 17:05:58,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-10 17:05:58,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-10 17:05:58,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-10 17:05:58,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-10 17:05:58,837 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-10 17:05:58,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-10 17:05:58,837 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-10 17:05:58,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-10 17:05:58,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 17:05:58,839 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 17:05:58,839 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-10 17:05:58,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 17:05:58,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 17:05:58,858 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 17:05:58,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 17:05:58,858 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 17:05:58,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 17:05:58,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 17:05:58,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-10 17:05:58,860 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-10 17:05:58,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:05:58,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 17:05:58,893 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 17:05:58,896 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 17:05:58,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 17:05:58,897 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 17:05:58,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c [2018-04-10 17:05:59,188 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3544cb85a [2018-04-10 17:05:59,272 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 17:05:59,272 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 17:05:59,273 INFO L168 CDTParser]: Scanning ArraysOfVariableLength_true-valid-memsafety.c [2018-04-10 17:05:59,273 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 17:05:59,273 INFO L215 ultiparseSymbolTable]: [2018-04-10 17:05:59,274 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 17:05:59,274 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength_true-valid-memsafety.c [2018-04-10 17:05:59,274 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo ('foo') in ArraysOfVariableLength_true-valid-memsafety.c [2018-04-10 17:05:59,274 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 17:05:59,274 INFO L233 ultiparseSymbolTable]: [2018-04-10 17:05:59,286 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3544cb85a [2018-04-10 17:05:59,289 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 17:05:59,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 17:05:59,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 17:05:59,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 17:05:59,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 17:05:59,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45eb8ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59, skipping insertion in model container [2018-04-10 17:05:59,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,310 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 17:05:59,321 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 17:05:59,414 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 17:05:59,434 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 17:05:59,438 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-10 17:05:59,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59 WrapperNode [2018-04-10 17:05:59,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 17:05:59,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 17:05:59,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 17:05:59,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 17:05:59,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (1/1) ... [2018-04-10 17:05:59,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 17:05:59,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 17:05:59,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 17:05:59,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 17:05:59,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (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 17:05:59,505 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 17:05:59,505 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 17:05:59,506 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo [2018-04-10 17:05:59,506 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 17:05:59,506 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 17:05:59,507 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 17:05:59,692 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 17:05:59,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 05:05:59 BoogieIcfgContainer [2018-04-10 17:05:59,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 17:05:59,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 17:05:59,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 17:05:59,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 17:05:59,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 05:05:59" (1/3) ... [2018-04-10 17:05:59,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6759eaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 05:05:59, skipping insertion in model container [2018-04-10 17:05:59,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 05:05:59" (2/3) ... [2018-04-10 17:05:59,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6759eaac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 05:05:59, skipping insertion in model container [2018-04-10 17:05:59,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 05:05:59" (3/3) ... [2018-04-10 17:05:59,697 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c [2018-04-10 17:05:59,703 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 17:05:59,707 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-04-10 17:05:59,729 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 17:05:59,730 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 17:05:59,730 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 17:05:59,730 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-10 17:05:59,730 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 17:05:59,730 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 17:05:59,730 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 17:05:59,730 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 17:05:59,731 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 17:05:59,731 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 17:05:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-04-10 17:05:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 17:05:59,751 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:05:59,752 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:05:59,752 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:05:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash 154629517, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:05:59,766 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:05:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:05:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:05:59,815 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 17:05:59,833 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 17:05:59,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 17:05:59,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:05:59,834 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 17:05:59,834 INFO L182 omatonBuilderFactory]: Interpolants [52#true, 53#false, 57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-10 17:05:59,834 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 17:05:59,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-10 17:05:59,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-10 17:05:59,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-10 17:05:59,844 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 3 states. [2018-04-10 17:05:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:05:59,909 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-04-10 17:05:59,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-10 17:05:59,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-10 17:05:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:05:59,917 INFO L225 Difference]: With dead ends: 49 [2018-04-10 17:05:59,917 INFO L226 Difference]: Without dead ends: 46 [2018-04-10 17:05:59,919 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:05:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-10 17:05:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-10 17:05:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-10 17:05:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-04-10 17:05:59,943 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 13 [2018-04-10 17:05:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:05:59,943 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-04-10 17:05:59,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-10 17:05:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-04-10 17:05:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-10 17:05:59,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:05:59,944 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:05:59,944 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:05:59,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1849425411, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:05:59,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:05:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,001 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 17:06:00,019 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 17:06:00,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-10 17:06:00,019 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:06:00,019 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 17:06:00,020 INFO L182 omatonBuilderFactory]: Interpolants [160#(<= __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0), 161#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 153#true, 154#false, 158#(= 0 main_~i~1), 159#(= 0 |__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size|)] [2018-04-10 17:06:00,020 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 17:06:00,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 17:06:00,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 17:06:00,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 17:06:00,022 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 6 states. [2018-04-10 17:06:00,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:06:00,204 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2018-04-10 17:06:00,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 17:06:00,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-04-10 17:06:00,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:06:00,205 INFO L225 Difference]: With dead ends: 73 [2018-04-10 17:06:00,205 INFO L226 Difference]: Without dead ends: 73 [2018-04-10 17:06:00,206 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-10 17:06:00,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-10 17:06:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2018-04-10 17:06:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-10 17:06:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-10 17:06:00,212 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 15 [2018-04-10 17:06:00,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:06:00,212 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-10 17:06:00,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 17:06:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-10 17:06:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 17:06:00,213 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:06:00,213 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:06:00,213 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:06:00,213 INFO L82 PathProgramCache]: Analyzing trace with hash -779177800, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:06:00,216 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:06:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,229 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-10 17:06:00,237 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,237 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,238 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,238 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,272 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-10 17:06:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,286 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 17:06:00,304 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 17:06:00,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 17:06:00,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:06:00,305 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 17:06:00,305 INFO L182 omatonBuilderFactory]: Interpolants [304#(= 1 (select |#valid| |main_~#b~0.base|)), 311#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 298#true, 299#false, 303#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp))] [2018-04-10 17:06:00,305 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 17:06:00,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 17:06:00,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 17:06:00,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-04-10 17:06:00,306 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 5 states. [2018-04-10 17:06:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:06:00,380 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-04-10 17:06:00,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 17:06:00,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-10 17:06:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:06:00,383 INFO L225 Difference]: With dead ends: 55 [2018-04-10 17:06:00,383 INFO L226 Difference]: Without dead ends: 55 [2018-04-10 17:06:00,383 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2018-04-10 17:06:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-10 17:06:00,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-10 17:06:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-10 17:06:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-04-10 17:06:00,388 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 19 [2018-04-10 17:06:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:06:00,388 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-04-10 17:06:00,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 17:06:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-04-10 17:06:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-10 17:06:00,389 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:06:00,389 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:06:00,389 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:06:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash -779177799, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:06:00,393 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:06:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,404 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-10 17:06:00,406 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,406 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,407 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,407 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-10 17:06:00,412 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 400) (store %0 %1 400)) :qid itp)) :qid itp)) is different from true [2018-04-10 17:06:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,462 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 17:06:00,479 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 17:06:00,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 17:06:00,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:06:00,480 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 17:06:00,480 INFO L182 omatonBuilderFactory]: Interpolants [438#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 424#true, 425#false, 429#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 400) (store %0 %1 400)) :qid itp)) :qid itp)), 430#(and (= 400 (select |#length| |main_~#b~0.base|)) (= 0 |main_~#b~0.offset|)), 431#(and (= 400 (select |#length| |main_~#b~0.base|)) (<= 0 (+ (* 4 main_~i~1) |main_~#b~0.offset|)) (<= (+ (* 4 main_~i~1) |main_~#b~0.offset| 4) (select |#length| |main_~#b~0.base|)))] [2018-04-10 17:06:00,480 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 17:06:00,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 17:06:00,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 17:06:00,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-10 17:06:00,481 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 6 states. [2018-04-10 17:06:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:06:00,611 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-04-10 17:06:00,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 17:06:00,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-10 17:06:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:06:00,612 INFO L225 Difference]: With dead ends: 58 [2018-04-10 17:06:00,612 INFO L226 Difference]: Without dead ends: 58 [2018-04-10 17:06:00,612 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-04-10 17:06:00,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-10 17:06:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-10 17:06:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-10 17:06:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2018-04-10 17:06:00,616 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 19 [2018-04-10 17:06:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:06:00,616 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2018-04-10 17:06:00,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 17:06:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2018-04-10 17:06:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 17:06:00,617 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:06:00,617 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:06:00,617 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:06:00,617 INFO L82 PathProgramCache]: Analyzing trace with hash 226405917, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:06:00,621 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:06:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 17:06:00,703 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 17:06:00,703 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 17:06:00,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:06:00,704 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 17:06:00,704 INFO L182 omatonBuilderFactory]: Interpolants [560#false, 564#(= 0 main_~i~1), 571#(= 1 main_~i~1), 572#(= 1 |__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n|), 573#(and (<= 0 __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0) (< __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0 __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n)), 574#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 559#true] [2018-04-10 17:06:00,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 17:06:00,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-10 17:06:00,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-10 17:06:00,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-10 17:06:00,705 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 7 states. [2018-04-10 17:06:00,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:06:00,924 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2018-04-10 17:06:00,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 17:06:00,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-04-10 17:06:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:06:00,926 INFO L225 Difference]: With dead ends: 105 [2018-04-10 17:06:00,927 INFO L226 Difference]: Without dead ends: 105 [2018-04-10 17:06:00,927 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-10 17:06:00,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-10 17:06:00,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 80. [2018-04-10 17:06:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-10 17:06:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2018-04-10 17:06:00,934 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 28 [2018-04-10 17:06:00,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:06:00,934 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2018-04-10 17:06:00,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-10 17:06:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2018-04-10 17:06:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-10 17:06:00,935 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:06:00,935 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:06:00,935 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:06:00,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1571351062, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:06:00,939 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:06:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 17:06:01,013 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 17:06:01,014 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 17:06:01,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 17:06:01,014 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 17:06:01,014 INFO L182 omatonBuilderFactory]: Interpolants [768#true, 769#false, 779#(= 1 (select |#valid| |main_~#b~0.base|)), 780#(= 1 (select |#valid| |__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base|)), 781#(= 1 (select |#valid| __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base)), 782#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-10 17:06:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 17:06:01,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 17:06:01,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 17:06:01,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 17:06:01,015 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand 6 states. [2018-04-10 17:06:01,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 17:06:01,088 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2018-04-10 17:06:01,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 17:06:01,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-04-10 17:06:01,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 17:06:01,100 INFO L225 Difference]: With dead ends: 79 [2018-04-10 17:06:01,100 INFO L226 Difference]: Without dead ends: 79 [2018-04-10 17:06:01,100 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-10 17:06:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-10 17:06:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-10 17:06:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-10 17:06:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2018-04-10 17:06:01,105 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 29 [2018-04-10 17:06:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 17:06:01,105 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2018-04-10 17:06:01,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 17:06:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2018-04-10 17:06:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-10 17:06:01,106 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 17:06:01,106 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 17:06:01,106 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-10 17:06:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1571351061, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 17:06:01,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 17:06:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 17:06:01,144 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 112 column 526: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-10 17:06:01,148 INFO L168 Benchmark]: Toolchain (without parser) took 1858.46 ms. Allocated memory was 400.6 MB in the beginning and 635.4 MB in the end (delta: 234.9 MB). Free memory was 339.5 MB in the beginning and 540.6 MB in the end (delta: -201.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 5.3 GB. [2018-04-10 17:06:01,149 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 400.6 MB. Free memory is still 359.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 17:06:01,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.11 ms. Allocated memory is still 400.6 MB. Free memory was 338.9 MB in the beginning and 330.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-04-10 17:06:01,150 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 ms. Allocated memory is still 400.6 MB. Free memory was 330.9 MB in the beginning and 328.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 17:06:01,152 INFO L168 Benchmark]: RCFGBuilder took 222.88 ms. Allocated memory was 400.6 MB in the beginning and 612.4 MB in the end (delta: 211.8 MB). Free memory was 328.3 MB in the beginning and 574.0 MB in the end (delta: -245.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. [2018-04-10 17:06:01,152 INFO L168 Benchmark]: TraceAbstraction took 1453.87 ms. Allocated memory was 612.4 MB in the beginning and 635.4 MB in the end (delta: 23.1 MB). Free memory was 574.0 MB in the beginning and 540.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 5.3 GB. [2018-04-10 17:06:01,155 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 400.6 MB. Free memory is still 359.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 154.11 ms. Allocated memory is still 400.6 MB. Free memory was 338.9 MB in the beginning and 330.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.28 ms. Allocated memory is still 400.6 MB. Free memory was 330.9 MB in the beginning and 328.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 222.88 ms. Allocated memory was 400.6 MB in the beginning and 612.4 MB in the end (delta: 211.8 MB). Free memory was 328.3 MB in the beginning and 574.0 MB in the end (delta: -245.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1453.87 ms. Allocated memory was 612.4 MB in the beginning and 635.4 MB in the end (delta: 23.1 MB). Free memory was 574.0 MB in the beginning and 540.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 112 column 526: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 112 column 526: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_17-06-01-168.csv Received shutdown request...