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/memsetNonZero2_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-29 00:52:02,439 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 00:52:02,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 00:52:02,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 00:52:02,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 00:52:02,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 00:52:02,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 00:52:02,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 00:52:02,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 00:52:02,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 00:52:02,465 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 00:52:02,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 00:52:02,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 00:52:02,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 00:52:02,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 00:52:02,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 00:52:02,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 00:52:02,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 00:52:02,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 00:52:02,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 00:52:02,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 00:52:02,485 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 00:52:02,486 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 00:52:02,486 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 00:52:02,494 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 00:52:02,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 00:52:02,495 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 00:52:02,496 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 00:52:02,496 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 00:52:02,496 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 00:52:02,496 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 00:52:02,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 00:52:02,497 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 00:52:02,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 00:52:02,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 00:52:02,499 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 00:52:02,499 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 00:52:02,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 00:52:02,499 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 00:52:02,499 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 00:52:02,500 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 00:52:02,501 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 00:52:02,501 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 00:52:02,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 00:52:02,544 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 00:52:02,548 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 00:52:02,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 00:52:02,549 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 00:52:02,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-01-29 00:52:02,646 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 00:52:02,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-01-29 00:52:02,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 00:52:02,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 00:52:02,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 00:52:02,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134e83e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02, skipping insertion in model container [2018-01-29 00:52:02,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,674 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:52:02,688 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 00:52:02,801 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:52:02,816 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 00:52:02,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02 WrapperNode [2018-01-29 00:52:02,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 00:52:02,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 00:52:02,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 00:52:02,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 00:52:02,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (1/1) ... [2018-01-29 00:52:02,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 00:52:02,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 00:52:02,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 00:52:02,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 00:52:02,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (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 00:52:02,900 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 00:52:02,900 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 00:52:02,900 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 00:52:02,900 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 00:52:02,900 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-29 00:52:02,901 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 00:52:02,901 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 00:52:02,980 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-01-29 00:52:03,053 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 00:52:03,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:03 BoogieIcfgContainer [2018-01-29 00:52:03,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 00:52:03,054 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-01-29 00:52:03,055 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-01-29 00:52:03,056 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-01-29 00:52:03,060 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:03" (1/1) ... [2018-01-29 00:52:03,067 INFO L103 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-01-29 00:52:03,068 INFO L104 apSepIcfgTransformer]: To be partitioned heap arrays found [] [2018-01-29 00:52:03,068 INFO L150 apSepIcfgTransformer]: starting freeze-var-style preprocessing [2018-01-29 00:52:03,113 INFO L218 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-01-29 00:52:03,171 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-29 00:52:03,703 INFO L311 AbstractInterpreter]: Visited 29 different actions 41 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 00:52:03,705 INFO L226 apSepIcfgTransformer]: finished equality analysis [2018-01-29 00:52:03,715 INFO L238 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-01-29 00:52:03,715 INFO L239 apSepIcfgTransformer]: array groups: Set: [2018-01-29 00:52:03,715 INFO L241 apSepIcfgTransformer]: select infos: Set: [2018-01-29 00:52:03,717 INFO L544 PartitionManager]: partitioning result: [2018-01-29 00:52:03,718 INFO L86 ransitionTransformer]: executing heap partitioning transformation [2018-01-29 00:52:03,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:52:03 BasicIcfg [2018-01-29 00:52:03,725 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-01-29 00:52:03,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 00:52:03,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 00:52:03,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 00:52:03,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 12:52:02" (1/4) ... [2018-01-29 00:52:03,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c6bb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:52:03, skipping insertion in model container [2018-01-29 00:52:03,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 12:52:02" (2/4) ... [2018-01-29 00:52:03,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c6bb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:52:03, skipping insertion in model container [2018-01-29 00:52:03,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:52:03" (3/4) ... [2018-01-29 00:52:03,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c6bb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:52:03, skipping insertion in model container [2018-01-29 00:52:03,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 29.01 12:52:03" (4/4) ... [2018-01-29 00:52:03,732 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg [2018-01-29 00:52:03,739 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 00:52:03,745 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-29 00:52:03,775 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 00:52:03,776 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 00:52:03,776 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 00:52:03,776 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 00:52:03,776 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 00:52:03,776 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 00:52:03,776 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 00:52:03,776 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 00:52:03,777 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 00:52:03,788 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-01-29 00:52:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-29 00:52:03,792 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:03,793 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-29 00:52:03,793 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash 4531405, now seen corresponding path program 1 times [2018-01-29 00:52:03,798 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:03,798 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:03,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:03,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:03,891 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:03,927 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:03,968 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 00:52:03,971 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:03,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-29 00:52:03,973 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-29 00:52:03,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-29 00:52:03,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:52:03,982 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-01-29 00:52:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:04,049 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2018-01-29 00:52:04,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-29 00:52:04,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-01-29 00:52:04,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:04,060 INFO L225 Difference]: With dead ends: 26 [2018-01-29 00:52:04,060 INFO L226 Difference]: Without dead ends: 22 [2018-01-29 00:52:04,062 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:52:04,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-01-29 00:52:04,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-01-29 00:52:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-01-29 00:52:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2018-01-29 00:52:04,089 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 4 [2018-01-29 00:52:04,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:04,090 INFO L432 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2018-01-29 00:52:04,090 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-29 00:52:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-01-29 00:52:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-01-29 00:52:04,091 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:04,091 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-01-29 00:52:04,092 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:04,092 INFO L82 PathProgramCache]: Analyzing trace with hash 4531407, now seen corresponding path program 1 times [2018-01-29 00:52:04,092 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:04,092 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:04,093 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:04,093 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:04,093 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:04,106 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:04,153 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 00:52:04,153 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:04,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-29 00:52:04,154 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-29 00:52:04,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-29 00:52:04,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:52:04,155 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states. [2018-01-29 00:52:04,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:04,170 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-01-29 00:52:04,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-29 00:52:04,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-01-29 00:52:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:04,171 INFO L225 Difference]: With dead ends: 22 [2018-01-29 00:52:04,171 INFO L226 Difference]: Without dead ends: 21 [2018-01-29 00:52:04,172 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 00:52:04,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-01-29 00:52:04,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-01-29 00:52:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-01-29 00:52:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2018-01-29 00:52:04,176 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 4 [2018-01-29 00:52:04,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:04,177 INFO L432 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2018-01-29 00:52:04,177 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-29 00:52:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-01-29 00:52:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-29 00:52:04,177 INFO L322 BasicCegarLoop]: Found error trace [2018-01-29 00:52:04,178 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 00:52:04,178 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]=== [2018-01-29 00:52:04,178 INFO L82 PathProgramCache]: Analyzing trace with hash 870146032, now seen corresponding path program 1 times [2018-01-29 00:52:04,178 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 00:52:04,178 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 00:52:04,179 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:04,180 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 00:52:04,180 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 00:52:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 00:52:04,192 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 00:52:04,264 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 00:52:04,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 00:52:04,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 00:52:04,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 00:52:04,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 00:52:04,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 00:52:04,265 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 4 states. [2018-01-29 00:52:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 00:52:04,392 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2018-01-29 00:52:04,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 00:52:04,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-29 00:52:04,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 00:52:04,393 INFO L225 Difference]: With dead ends: 21 [2018-01-29 00:52:04,393 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 00:52:04,394 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 00:52:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 00:52:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 00:52:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 00:52:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 00:52:04,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-01-29 00:52:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 00:52:04,395 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 00:52:04,395 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 00:52:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 00:52:04,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 00:52:04,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 00:52:04,429 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 24) no Hoare annotation was computed. [2018-01-29 00:52:04,430 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 24) no Hoare annotation was computed. [2018-01-29 00:52:04,430 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 00:52:04,430 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 24) no Hoare annotation was computed. [2018-01-29 00:52:04,430 INFO L402 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-01-29 00:52:04,430 INFO L399 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,430 INFO L402 ceAbstractionStarter]: At program point L-1''(line -1) the Hoare annotation is: true [2018-01-29 00:52:04,430 INFO L399 ceAbstractionStarter]: For program point L-1'(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,430 INFO L399 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,431 INFO L399 ceAbstractionStarter]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,431 INFO L399 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,431 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 24) the Hoare annotation is: true [2018-01-29 00:52:04,431 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 24) no Hoare annotation was computed. [2018-01-29 00:52:04,431 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 24) the Hoare annotation is: true [2018-01-29 00:52:04,431 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 24) no Hoare annotation was computed. [2018-01-29 00:52:04,431 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 20 24) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 20 24) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point mainErr2EnsuresViolation(lines 20 24) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L395 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (and (= |main_~#cstats~2.offset| 0) (= (select |#length| |main_~#cstats~2.base|) 40) (= (store |#valid| |main_~#cstats~2.base| (select (store |#valid| |main_~#cstats~2.base| 0) |main_~#cstats~2.base|)) |old(#valid)|) (= 1 (select |#valid| |main_~#cstats~2.base|))) [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line -1) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point L21''(line 21) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-01-29 00:52:04,432 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 20 24) no Hoare annotation was computed. [2018-01-29 00:52:04,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:52:04 BasicIcfg [2018-01-29 00:52:04,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 00:52:04,437 INFO L168 Benchmark]: Toolchain (without parser) took 1790.98 ms. Allocated memory was 305.1 MB in the beginning and 469.2 MB in the end (delta: 164.1 MB). Free memory was 266.2 MB in the beginning and 413.3 MB in the end (delta: -147.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:04,438 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:52:04,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.09 ms. Allocated memory is still 305.1 MB. Free memory was 265.2 MB in the beginning and 258.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:04,438 INFO L168 Benchmark]: Boogie Preprocessor took 27.28 ms. Allocated memory is still 305.1 MB. Free memory was 258.0 MB in the beginning and 256.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:04,439 INFO L168 Benchmark]: RCFGBuilder took 204.41 ms. Allocated memory is still 305.1 MB. Free memory was 256.0 MB in the beginning and 243.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:04,439 INFO L168 Benchmark]: IcfgTransformer took 671.14 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 243.4 MB in the beginning and 246.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 5.3 GB. [2018-01-29 00:52:04,440 INFO L168 Benchmark]: TraceAbstraction took 710.43 ms. Allocated memory was 326.1 MB in the beginning and 469.2 MB in the end (delta: 143.1 MB). Free memory was 246.5 MB in the beginning and 415.3 MB in the end (delta: -168.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 00:52:04,442 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 305.1 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 171.09 ms. Allocated memory is still 305.1 MB. Free memory was 265.2 MB in the beginning and 258.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.28 ms. Allocated memory is still 305.1 MB. Free memory was 258.0 MB in the beginning and 256.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 204.41 ms. Allocated memory is still 305.1 MB. Free memory was 256.0 MB in the beginning and 243.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB. * IcfgTransformer took 671.14 ms. Allocated memory was 305.1 MB in the beginning and 326.1 MB in the end (delta: 21.0 MB). Free memory was 243.4 MB in the beginning and 246.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 710.43 ms. Allocated memory was 326.1 MB in the beginning and 469.2 MB in the end (delta: 143.1 MB). Free memory was 246.5 MB in the beginning and 415.3 MB in the end (delta: -168.8 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 : 24 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 176 LocStat_NO_SUPPORTING_DISEQUALITIES : 69 LocStat_NO_DISJUNCTIONS : -48 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 38 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 57 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 39 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 3.241176 RENAME_VARIABLES(MILLISECONDS) : 0.025295 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 2.951789 PROJECTAWAY(MILLISECONDS) : 0.077192 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.150790 DISJOIN(MILLISECONDS) : 0.529224 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.045262 ADD_EQUALITY(MILLISECONDS) : 0.045394 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.019422 #CONJOIN_DISJUNCTIVE : 61 #RENAME_VARIABLES : 110 #UNFREEZE : 0 #CONJOIN : 106 #PROJECTAWAY : 101 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 4 #RENAME_VARIABLES_DISJUNCTIVE : 109 #ADD_EQUALITY : 57 #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: 20]: 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, 26 locations, 3 error locations. SAFE Result, 0.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 SDtfs, 16 SDslu, 34 SDs, 0 SdLazy, 41 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 35 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 486 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/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-01-29_00-52-04-453.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-01-29_00-52-04-453.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-01-29_00-52-04-453.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-01-29_00-52-04-453.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero2_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_00-52-04-453.csv Received shutdown request...