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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-29 00:52:01,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 00:52:01,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 00:52:01,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 00:52:01,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 00:52:01,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 00:52:01,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 00:52:01,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 00:52:01,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 00:52:01,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 00:52:01,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 00:52:01,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 00:52:01,149 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 00:52:01,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 00:52:01,151 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 00:52:01,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 00:52:01,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 00:52:01,158 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 00:52:01,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 00:52:01,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 00:52:01,164 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 00:52:01,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 00:52:01,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 00:52:01,170 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 [2018-01-29 00:52:01,178 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 00:52:01,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 00:52:01,179 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 00:52:01,179 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 00:52:01,179 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 00:52:01,180 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 00:52:01,180 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 00:52:01,180 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 00:52:01,180 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 00:52:01,180 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 00:52:01,181 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 00:52:01,182 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 00:52:01,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 00:52:01,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 00:52:01,183 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 00:52:01,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 00:52:01,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 00:52:01,183 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 00:52:01,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 00:52:01,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 00:52:01,184 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 00:52:01,184 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 00:52:01,185 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 00:52:01,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 00:52:01,227 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 00:52:01,230 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 00:52:01,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 00:52:01,232 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 00:52:01,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c [2018-01-29 00:52:01,330 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 00:52:01,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-29 00:52:01,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 00:52:01,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 00:52:01,343 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 00:52:01,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc7df70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01, skipping insertion in model container [2018-01-29 00:52:01,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,361 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:52:01,376 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:52:01,485 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:52:01,500 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:52:01,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01 WrapperNode [2018-01-29 00:52:01,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 00:52:01,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 00:52:01,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 00:52:01,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 00:52:01,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 00:52:01,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 00:52:01,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 00:52:01,537 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 00:52:01,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (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 [2018-01-29 00:52:01,586 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 00:52:01,586 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 00:52:01,587 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 00:52:01,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 00:52:01,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 00:52:01,587 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 00:52:01,587 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-29 00:52:01,587 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-29 00:52:01,588 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-29 00:52:01,588 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 00:52:01,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 00:52:01,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 00:52:01,669 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-01-29 00:52:01,734 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 00:52:01,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:01 BoogieIcfgContainer [2018-01-29 00:52:01,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 00:52:01,734 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-29 00:52:01,735 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-29 00:52:01,736 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-29 00:52:01,739 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:01" (1/1) ... [2018-01-29 00:52:01,749 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-29 00:52:01,749 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-01-29 00:52:01,750 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-29 00:52:01,786 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-29 00:52:01,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-29 00:52:02,409 INFO L311 AbstractInterpreter]: Visited 31 different actions 43 times. Merged at 10 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 21 variables. [2018-01-29 00:52:02,412 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-29 00:52:02,420 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-29 00:52:02,421 INFO L239 apSepIcfgTransformer]: array groups: Set: [2018-01-29 00:52:02,421 INFO L241 apSepIcfgTransformer]: select infos: Set: [2018-01-29 00:52:02,422 INFO L544 PartitionManager]: partitioning result: [2018-01-29 00:52:02,423 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-29 00:52:02,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:52:02 BasicIcfg [2018-01-29 00:52:02,430 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-29 00:52:02,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 00:52:02,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 00:52:02,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 00:52:02,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:52:01" (1/4) ... [2018-01-29 00:52:02,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1676bfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:52:02, skipping insertion in model container [2018-01-29 00:52:02,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:01" (2/4) ... [2018-01-29 00:52:02,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1676bfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:52:02, skipping insertion in model container [2018-01-29 00:52:02,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:01" (3/4) ... [2018-01-29 00:52:02,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1676bfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:52:02, skipping insertion in model container [2018-01-29 00:52:02,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:52:02" (4/4) ... [2018-01-29 00:52:02,438 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-29 00:52:02,445 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 00:52:02,450 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-29 00:52:02,480 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 00:52:02,480 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 00:52:02,480 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 00:52:02,480 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 00:52:02,480 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 00:52:02,480 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 00:52:02,480 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 00:52:02,480 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 00:52:02,481 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 00:52:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-01-29 00:52:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-29 00:52:02,497 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:02,498 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-29 00:52:02,499 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:02,503 INFO L82 PathProgramCache]: Analyzing trace with hash 296383023, now seen corresponding path program 1 times [2018-01-29 00:52:02,559 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:02,560 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:02,611 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:02,611 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:02,612 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:02,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:52:02,719 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:02,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 00:52:02,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 00:52:02,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 00:52:02,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:52:02,730 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-01-29 00:52:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:02,819 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2018-01-29 00:52:02,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 00:52:02,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-01-29 00:52:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:02,829 INFO L225 Difference]: With dead ends: 28 [2018-01-29 00:52:02,829 INFO L226 Difference]: Without dead ends: 24 [2018-01-29 00:52:02,832 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 00:52:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-01-29 00:52:02,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-01-29 00:52:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-29 00:52:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-01-29 00:52:02,858 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 6 [2018-01-29 00:52:02,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:02,859 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-01-29 00:52:02,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 00:52:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-01-29 00:52:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-01-29 00:52:02,860 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:02,860 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-01-29 00:52:02,860 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:02,861 INFO L82 PathProgramCache]: Analyzing trace with hash 296383025, now seen corresponding path program 1 times [2018-01-29 00:52:02,861 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:02,861 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:02,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:02,862 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:02,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:02,881 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:52:02,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:02,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 00:52:02,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 00:52:02,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 00:52:02,944 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:52:02,944 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 4 states. [2018-01-29 00:52:02,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:02,981 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-01-29 00:52:02,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 00:52:02,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-01-29 00:52:02,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:02,982 INFO L225 Difference]: With dead ends: 24 [2018-01-29 00:52:02,983 INFO L226 Difference]: Without dead ends: 23 [2018-01-29 00:52:02,984 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 00:52:02,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-29 00:52:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-29 00:52:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-29 00:52:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2018-01-29 00:52:02,988 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2018-01-29 00:52:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:02,989 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2018-01-29 00:52:02,989 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 00:52:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-01-29 00:52:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-29 00:52:02,989 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:02,990 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:52:02,990 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1185537242, now seen corresponding path program 1 times [2018-01-29 00:52:02,990 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:02,990 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:02,991 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:02,991 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:02,992 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:03,003 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 00:52:03,092 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:03,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 00:52:03,093 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 00:52:03,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 00:52:03,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:52:03,094 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 4 states. [2018-01-29 00:52:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:03,153 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-01-29 00:52:03,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 00:52:03,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-01-29 00:52:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:03,154 INFO L225 Difference]: With dead ends: 23 [2018-01-29 00:52:03,154 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 00:52:03,155 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 00:52:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 00:52:03,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 00:52:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 00:52:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 00:52:03,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-01-29 00:52:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:03,156 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 00:52:03,156 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 00:52:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 00:52:03,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 00:52:03,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 00:52:03,205 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 31) no Hoare annotation was computed. [2018-01-29 00:52:03,205 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 31) no Hoare annotation was computed. [2018-01-29 00:52:03,205 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 31) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 00:52:03,205 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 31) no Hoare annotation was computed. [2018-01-29 00:52:03,205 INFO L402 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-29 00:52:03,205 INFO L399 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,205 INFO L402 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-01-29 00:52:03,205 INFO L399 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 31) the Hoare annotation is: true [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 31) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 31) the Hoare annotation is: true [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 31) no Hoare annotation was computed. [2018-01-29 00:52:03,206 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 25 31) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 25 31) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line -1) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 25 31) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 25 31) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L395 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: (and (= (store |#valid| |main_~#cstats~2.base| 0) |old(#valid)|) (= 0 |main_~#cstats~2.offset|) (= 1 (select |#valid| main_~point~2.base)) (= 1 (select |#valid| |main_~#cstats~2.base|)) (= 80 (select |#length| |main_~#cstats~2.base|)) (= (select |#length| main_~point~2.base) 80) (= main_~point~2.offset 0)) [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point L26'(line 26) no Hoare annotation was computed. [2018-01-29 00:52:03,207 INFO L399 ceAbstractionStarter]: For program point L26''(line 26) no Hoare annotation was computed. [2018-01-29 00:52:03,208 INFO L399 ceAbstractionStarter]: For program point L29'(line 29) no Hoare annotation was computed. [2018-01-29 00:52:03,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:52:03 BasicIcfg [2018-01-29 00:52:03,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 00:52:03,212 INFO L168 Benchmark]: Toolchain (without parser) took 1881.39 ms. Allocated memory was 308.3 MB in the beginning and 475.5 MB in the end (delta: 167.2 MB). Free memory was 269.3 MB in the beginning and 412.1 MB in the end (delta: -142.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:03,213 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:52:03,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.46 ms. Allocated memory is still 308.3 MB. Free memory was 268.3 MB in the beginning and 260.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:03,213 INFO L168 Benchmark]: Boogie Preprocessor took 29.86 ms. Allocated memory is still 308.3 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-29 00:52:03,214 INFO L168 Benchmark]: RCFGBuilder took 197.45 ms. Allocated memory is still 308.3 MB. Free memory was 259.3 MB in the beginning and 246.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:03,214 INFO L168 Benchmark]: IcfgTransformer took 696.04 ms. Allocated memory was 308.3 MB in the beginning and 327.7 MB in the end (delta: 19.4 MB). Free memory was 246.4 MB in the beginning and 238.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:03,214 INFO L168 Benchmark]: TraceAbstraction took 780.56 ms. Allocated memory was 327.7 MB in the beginning and 475.5 MB in the end (delta: 147.8 MB). Free memory was 238.3 MB in the beginning and 412.1 MB in the end (delta: -173.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:52:03,216 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 308.3 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.46 ms. Allocated memory is still 308.3 MB. Free memory was 268.3 MB in the beginning and 260.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.86 ms. Allocated memory is still 308.3 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 197.45 ms. Allocated memory is still 308.3 MB. Free memory was 259.3 MB in the beginning and 246.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 5.3 GB. * IcfgTransformer took 696.04 ms. Allocated memory was 308.3 MB in the beginning and 327.7 MB in the end (delta: 19.4 MB). Free memory was 246.4 MB in the beginning and 238.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 780.56 ms. Allocated memory was 327.7 MB in the beginning and 475.5 MB in the end (delta: 147.8 MB). Free memory was 238.3 MB in the beginning and 412.1 MB in the end (delta: -173.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 26 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 215 LocStat_NO_SUPPORTING_DISEQUALITIES : 81 LocStat_NO_DISJUNCTIONS : -52 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 40 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 59 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 41 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 4.124500 RENAME_VARIABLES(MILLISECONDS) : 0.028061 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 3.847066 PROJECTAWAY(MILLISECONDS) : 0.093552 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.253596 DISJOIN(MILLISECONDS) : 1.022767 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.047505 ADD_EQUALITY(MILLISECONDS) : 0.030704 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.016967 #CONJOIN_DISJUNCTIVE : 64 #RENAME_VARIABLES : 114 #UNFREEZE : 0 #CONJOIN : 109 #PROJECTAWAY : 105 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 4 #RENAME_VARIABLES_DISJUNCTIVE : 113 #ADD_EQUALITY : 59 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 28 locations, 3 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 SDtfs, 28 SDslu, 62 SDs, 0 SdLazy, 59 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 43 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-29_00-52-03-227.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-29_00-52-03-227.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-29_00-52-03-227.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-29_00-52-03-227.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_00-52-03-227.csv Received shutdown request...