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 --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memset2_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:52:53,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:52:53,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:52:53,372 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:52:53,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:52:53,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:52:53,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:52:53,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:52:53,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:52:53,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:52:53,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:52:53,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:52:53,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:52:53,384 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:52:53,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:52:53,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:52:53,389 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:52:53,391 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:52:53,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:52:53,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:52:53,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:52:53,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:52:53,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:52:53,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:52:53,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:52:53,414 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:52:53,415 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:52:53,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:52:53,416 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:52:53,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:52:53,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:52:53,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:52:53,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:52:53,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:52:53,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:52:53,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:52:53,424 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 14:52:53,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:52:53,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:52:53,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:52:53,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:52:53,453 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:52:53,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:52:53,454 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:52:53,454 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:52:53,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:52:53,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:52:53,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:52:53,455 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:52:53,456 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:52:53,456 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:52:53,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:52:53,457 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:52:53,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:52:53,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:52:53,458 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:52:53,458 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:52:53,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:52:53,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:52:53,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:52:53,459 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:52:53,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:52:53,460 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-10-10 14:52:53,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:52:53,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:52:53,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:52:53,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:52:53,560 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:52:53,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset2_false-valid-deref-write.c [2018-10-10 14:52:53,852 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ac64335/0ebe5a65dbeb49d5b078cffa214f60fc/FLAG3b5bfc64f [2018-10-10 14:52:54,075 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:52:54,076 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety/memset2_false-valid-deref-write.c [2018-10-10 14:52:54,083 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ac64335/0ebe5a65dbeb49d5b078cffa214f60fc/FLAG3b5bfc64f [2018-10-10 14:52:54,099 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ac64335/0ebe5a65dbeb49d5b078cffa214f60fc [2018-10-10 14:52:54,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:52:54,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:52:54,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:52:54,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:52:54,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:52:54,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7963de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54, skipping insertion in model container [2018-10-10 14:52:54,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:52:54,157 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:52:54,312 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:52:54,322 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:52:54,341 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:52:54,358 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:52:54,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54 WrapperNode [2018-10-10 14:52:54,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:52:54,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:52:54,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:52:54,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:52:54,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:52:54,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:52:54,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:52:54,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:52:54,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (1/1) ... [2018-10-10 14:52:54,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:52:54,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:52:54,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:52:54,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:52:54,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (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 14:52:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:52:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:52:55,023 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:52:55,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:52:55 BoogieIcfgContainer [2018-10-10 14:52:55,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:52:55,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:52:55,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:52:55,028 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:52:55,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:52:54" (1/3) ... [2018-10-10 14:52:55,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123b3111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:52:55, skipping insertion in model container [2018-10-10 14:52:55,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:52:54" (2/3) ... [2018-10-10 14:52:55,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123b3111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:52:55, skipping insertion in model container [2018-10-10 14:52:55,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:52:55" (3/3) ... [2018-10-10 14:52:55,032 INFO L112 eAbstractionObserver]: Analyzing ICFG memset2_false-valid-deref-write.c [2018-10-10 14:52:55,042 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:52:55,051 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-10-10 14:52:55,069 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-10-10 14:52:55,094 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:52:55,095 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:52:55,096 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:52:55,096 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:52:55,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:52:55,096 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:52:55,096 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:52:55,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:52:55,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:52:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-10-10 14:52:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-10 14:52:55,121 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:52:55,122 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:52:55,124 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:52:55,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:52:55,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1867926922, now seen corresponding path program 1 times [2018-10-10 14:52:55,133 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:52:55,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:52:55,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:55,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:52:55,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:52:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:52:55,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:52:55,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:52:55,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:52:55,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:52:55,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:52:55,381 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 5 states. [2018-10-10 14:52:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:52:55,804 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-10-10 14:52:55,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 14:52:55,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-10-10 14:52:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:52:55,821 INFO L225 Difference]: With dead ends: 51 [2018-10-10 14:52:55,821 INFO L226 Difference]: Without dead ends: 46 [2018-10-10 14:52:55,823 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:52:55,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-10 14:52:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-10-10 14:52:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-10-10 14:52:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-10-10 14:52:55,858 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 23 [2018-10-10 14:52:55,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:52:55,858 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-10-10 14:52:55,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:52:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-10-10 14:52:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-10 14:52:55,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:52:55,860 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:52:55,860 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:52:55,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:52:55,861 INFO L82 PathProgramCache]: Analyzing trace with hash 2071159790, now seen corresponding path program 1 times [2018-10-10 14:52:55,861 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:52:55,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:52:55,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:55,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:52:55,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:52:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:52:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:52:55,933 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-10 14:52:55,945 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,946 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,947 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,947 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,947 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2018-10-10 14:52:55,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:52:55,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:52:55 BoogieIcfgContainer [2018-10-10 14:52:55,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:52:55,963 INFO L168 Benchmark]: Toolchain (without parser) took 1851.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -756.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:52:55,967 INFO L168 Benchmark]: CDTParser took 0.21 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 14:52:55,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.89 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 14:52:55,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.57 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 14:52:55,970 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 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 14:52:55,970 INFO L168 Benchmark]: RCFGBuilder took 599.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-10 14:52:55,972 INFO L168 Benchmark]: TraceAbstraction took 937.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2018-10-10 14:52:55,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 245.89 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 40.57 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 23.16 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 599.36 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 937.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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: [L21] CALL struct compstat cstats ; [L21] RET struct compstat cstats ; [L22] CALL memset((void *)(& cstats), 0, 41UL) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 3 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 62 SDslu, 45 SDs, 0 SdLazy, 50 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...