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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 08:38:56,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:38:56,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:38:56,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:38:56,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:38:56,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:38:56,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:38:56,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:38:56,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:38:56,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:38:56,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:38:56,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:38:56,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:38:56,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:38:56,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:38:56,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:38:56,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:38:56,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:38:56,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:38:56,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:38:56,906 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 08:38:56,906 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 08:38:56,906 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 08:38:56,907 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 08:38:56,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 08:38:56,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 08:38:56,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 08:38:56,910 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 08:38:56,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 08:38:56,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:38:56,911 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:38:56,912 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 08:38:56,922 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:38:56,923 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:38:56,923 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:38:56,924 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:38:56,924 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:38:56,924 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:38:56,924 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:38:56,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:38:56,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:38:56,925 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:38:56,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:38:56,926 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:38:56,926 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:38:56,926 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:38:56,926 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:38:56,926 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:38:56,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:38:56,927 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:38:56,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:38:56,927 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:38:56,928 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:38:56,928 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:38:56,928 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:38:56,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:38:56,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:38:56,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:38:56,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:38:56,930 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:38:56,931 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:38:56,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:38:56,984 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:38:56,987 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:38:56,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:38:56,989 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:38:56,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.c [2018-01-31 08:38:57,108 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:38:57,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:38:57,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:38:57,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:38:57,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:38:57,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b95efdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57, skipping insertion in model container [2018-01-31 08:38:57,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,156 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:38:57,176 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:38:57,348 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:38:57,373 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:38:57,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57 WrapperNode [2018-01-31 08:38:57,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:38:57,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:38:57,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:38:57,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:38:57,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... [2018-01-31 08:38:57,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:38:57,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:38:57,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:38:57,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:38:57,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 08:38:57,511 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:38:57,511 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:38:57,511 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-31 08:38:57,511 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:38:57,512 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-31 08:38:57,513 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:38:57,513 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:38:57,513 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:38:57,980 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:38:57,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:38:57 BoogieIcfgContainer [2018-01-31 08:38:57,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:38:57,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:38:57,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:38:57,987 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:38:57,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:38:57" (1/3) ... [2018-01-31 08:38:57,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be6fb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:38:57, skipping insertion in model container [2018-01-31 08:38:57,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:38:57" (2/3) ... [2018-01-31 08:38:57,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be6fb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:38:57, skipping insertion in model container [2018-01-31 08:38:57,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:38:57" (3/3) ... [2018-01-31 08:38:57,991 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_false-valid-deref-write.c [2018-01-31 08:38:58,001 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:38:58,010 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-01-31 08:38:58,052 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:38:58,052 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:38:58,053 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:38:58,053 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:38:58,053 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:38:58,053 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:38:58,053 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:38:58,053 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:38:58,054 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:38:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-01-31 08:38:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-31 08:38:58,080 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:38:58,081 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:38:58,082 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 08:38:58,087 INFO L82 PathProgramCache]: Analyzing trace with hash 514068382, now seen corresponding path program 1 times [2018-01-31 08:38:58,089 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:38:58,090 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:38:58,146 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,147 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:38:58,147 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:38:58,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:38:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:38:58,249 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:38:58,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-31 08:38:58,251 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-31 08:38:58,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-31 08:38:58,267 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 08:38:58,269 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-01-31 08:38:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:38:58,307 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions. [2018-01-31 08:38:58,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-31 08:38:58,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-01-31 08:38:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:38:58,321 INFO L225 Difference]: With dead ends: 119 [2018-01-31 08:38:58,321 INFO L226 Difference]: Without dead ends: 61 [2018-01-31 08:38:58,330 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-31 08:38:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-31 08:38:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-01-31 08:38:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-01-31 08:38:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-01-31 08:38:58,376 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 14 [2018-01-31 08:38:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:38:58,377 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-01-31 08:38:58,377 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-31 08:38:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-01-31 08:38:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-31 08:38:58,378 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:38:58,378 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:38:58,378 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 08:38:58,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1745345203, now seen corresponding path program 1 times [2018-01-31 08:38:58,379 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:38:58,379 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:38:58,382 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,382 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:38:58,383 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:38:58,408 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:38:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:38:58,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:38:58,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 08:38:58,519 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-31 08:38:58,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-31 08:38:58,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 08:38:58,520 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 3 states. [2018-01-31 08:38:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:38:58,783 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2018-01-31 08:38:58,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-31 08:38:58,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-01-31 08:38:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:38:58,787 INFO L225 Difference]: With dead ends: 106 [2018-01-31 08:38:58,787 INFO L226 Difference]: Without dead ends: 86 [2018-01-31 08:38:58,788 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-31 08:38:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-01-31 08:38:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 65. [2018-01-31 08:38:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-01-31 08:38:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2018-01-31 08:38:58,806 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 15 [2018-01-31 08:38:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:38:58,806 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2018-01-31 08:38:58,806 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-31 08:38:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2018-01-31 08:38:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-31 08:38:58,807 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:38:58,808 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:38:58,808 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]=== [2018-01-31 08:38:58,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1619552690, now seen corresponding path program 1 times [2018-01-31 08:38:58,808 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:38:58,808 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:38:58,810 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,810 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:38:58,810 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:38:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 08:38:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-31 08:38:58,899 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-01-31 08:38:58,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:38:58 BoogieIcfgContainer [2018-01-31 08:38:58,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:38:58,926 INFO L168 Benchmark]: Toolchain (without parser) took 1817.54 ms. Allocated memory was 304.1 MB in the beginning and 460.8 MB in the end (delta: 156.8 MB). Free memory was 264.8 MB in the beginning and 422.7 MB in the end (delta: -157.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:38:58,928 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 304.1 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:38:58,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.26 ms. Allocated memory is still 304.1 MB. Free memory was 262.8 MB in the beginning and 254.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:38:58,929 INFO L168 Benchmark]: Boogie Preprocessor took 44.87 ms. Allocated memory is still 304.1 MB. Free memory was 254.8 MB in the beginning and 252.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:38:58,929 INFO L168 Benchmark]: RCFGBuilder took 546.34 ms. Allocated memory is still 304.1 MB. Free memory was 252.9 MB in the beginning and 235.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:38:58,930 INFO L168 Benchmark]: TraceAbstraction took 943.53 ms. Allocated memory was 304.1 MB in the beginning and 460.8 MB in the end (delta: 156.8 MB). Free memory was 235.9 MB in the beginning and 422.7 MB in the end (delta: -186.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:38:58,933 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 304.1 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 262.26 ms. Allocated memory is still 304.1 MB. Free memory was 262.8 MB in the beginning and 254.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.87 ms. Allocated memory is still 304.1 MB. Free memory was 254.8 MB in the beginning and 252.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 546.34 ms. Allocated memory is still 304.1 MB. Free memory was 252.9 MB in the beginning and 235.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 943.53 ms. Allocated memory was 304.1 MB in the beginning and 460.8 MB in the end (delta: 156.8 MB). Free memory was 235.9 MB in the beginning and 422.7 MB in the end (delta: -186.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; VAL [b={402:0}] [L22] i = 0 VAL [b={402:0}, i=0] [L22] COND TRUE i < 100 VAL [b={402:0}, i=0] [L23] CALL foo(i, b, i + 1) VAL [\old(n)=0, \old(size)=1, b={402:0}] [L13] int a[n], i; VAL [\old(n)=0, \old(size)=1, b={402:0}, b={402:0}, n=0, size=1] [L14] i = 0 VAL [\old(n)=0, \old(size)=1, b={402:0}, b={402:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, b={402:0}, b={402:0}, i=0, n=0, size=1] [L15] a[i] VAL [\old(n)=0, \old(size)=1, b={402:0}, b={402:0}, i=0, n=0, size=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 64 locations, 8 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 21 SDslu, 47 SDs, 0 SdLazy, 25 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, 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, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-38-58-942.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-38-58-942.csv Received shutdown request...