java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 11:24:16,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 11:24:16,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 11:24:16,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 11:24:16,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 11:24:16,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 11:24:17,004 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 11:24:17,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 11:24:17,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 11:24:17,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 11:24:17,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 11:24:17,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 11:24:17,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 11:24:17,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 11:24:17,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 11:24:17,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 11:24:17,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 11:24:17,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 11:24:17,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 11:24:17,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 11:24:17,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 11:24:17,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 11:24:17,027 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 11:24:17,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 11:24:17,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 11:24:17,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 11:24:17,030 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 11:24:17,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 11:24:17,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 11:24:17,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 11:24:17,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 11:24:17,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 11:24:17,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 11:24:17,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 11:24:17,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 11:24:17,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 11:24:17,037 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 11:24:17,052 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 11:24:17,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 11:24:17,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 11:24:17,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 11:24:17,054 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 11:24:17,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 11:24:17,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 11:24:17,055 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 11:24:17,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 11:24:17,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 11:24:17,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 11:24:17,056 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 11:24:17,056 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 11:24:17,056 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 11:24:17,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 11:24:17,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 11:24:17,057 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 11:24:17,057 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 11:24:17,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 11:24:17,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 11:24:17,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:24:17,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 11:24:17,058 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 11:24:17,058 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 11:24:17,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 11:24:17,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump [2018-10-10 11:24:17,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 11:24:17,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 11:24:17,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 11:24:17,147 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 11:24:17,147 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 11:24:17,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-10-10 11:24:17,442 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0faff84cf/6c86eafd52854eba82c4e06fcd4192cf/FLAGad45d676b [2018-10-10 11:24:17,659 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 11:24:17,659 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/cstrncat_unsafe_false-valid-deref.i [2018-10-10 11:24:17,666 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0faff84cf/6c86eafd52854eba82c4e06fcd4192cf/FLAGad45d676b [2018-10-10 11:24:17,682 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0faff84cf/6c86eafd52854eba82c4e06fcd4192cf [2018-10-10 11:24:17,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 11:24:17,695 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 11:24:17,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 11:24:17,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 11:24:17,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 11:24:17,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:17,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640dbb71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17, skipping insertion in model container [2018-10-10 11:24:17,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:17,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 11:24:17,741 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 11:24:17,917 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:24:17,930 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 11:24:17,950 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 11:24:17,968 INFO L193 MainTranslator]: Completed translation [2018-10-10 11:24:17,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17 WrapperNode [2018-10-10 11:24:17,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 11:24:17,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 11:24:17,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 11:24:17,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 11:24:17,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:17,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 11:24:18,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 11:24:18,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 11:24:18,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 11:24:18,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... [2018-10-10 11:24:18,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 11:24:18,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 11:24:18,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 11:24:18,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 11:24:18,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 11:24:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 11:24:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 11:24:18,734 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 11:24:18,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:24:18 BoogieIcfgContainer [2018-10-10 11:24:18,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 11:24:18,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 11:24:18,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 11:24:18,742 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 11:24:18,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 11:24:17" (1/3) ... [2018-10-10 11:24:18,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26425e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:24:18, skipping insertion in model container [2018-10-10 11:24:18,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 11:24:17" (2/3) ... [2018-10-10 11:24:18,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26425e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 11:24:18, skipping insertion in model container [2018-10-10 11:24:18,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 11:24:18" (3/3) ... [2018-10-10 11:24:18,746 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrncat_unsafe_false-valid-deref.i [2018-10-10 11:24:18,756 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 11:24:18,769 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-10-10 11:24:18,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-10-10 11:24:18,818 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 11:24:18,819 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 11:24:18,819 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 11:24:18,819 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 11:24:18,819 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 11:24:18,819 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 11:24:18,820 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 11:24:18,820 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 11:24:18,820 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 11:24:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-10-10 11:24:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-10 11:24:18,852 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 11:24:18,853 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-10 11:24:18,856 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 11:24:18,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 11:24:18,862 INFO L82 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2018-10-10 11:24:18,864 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 11:24:18,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 11:24:18,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:18,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 11:24:18,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 11:24:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 11:24:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 11:24:18,994 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-10 11:24:19,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 11:24:19 BoogieIcfgContainer [2018-10-10 11:24:19,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 11:24:19,027 INFO L168 Benchmark]: Toolchain (without parser) took 1332.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -786.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:24:19,029 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:24:19,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 11:24:19,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:24:19,032 INFO L168 Benchmark]: Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:24:19,032 INFO L168 Benchmark]: RCFGBuilder took 687.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2018-10-10 11:24:19,034 INFO L168 Benchmark]: TraceAbstraction took 287.84 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 11:24:19,038 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 687.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 764.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287.84 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L16] char *s1; [L17] char *s2; [L18] int n = __VERIFIER_nondet_int(); [L19] CALL cstrncat(s1, s2, n) [L4] char *s = s1; [L5] CALL \read(*s) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 11 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...