java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero_false-valid-deref-write.c
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This is Ultimate 0.1.23-acfac67
[2018-01-28 22:16:01,613 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-01-28 22:16:01,615 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-01-28 22:16:01,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-01-28 22:16:01,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-01-28 22:16:01,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-01-28 22:16:01,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-01-28 22:16:01,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-01-28 22:16:01,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-01-28 22:16:01,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-01-28 22:16:01,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-01-28 22:16:01,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-01-28 22:16:01,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-01-28 22:16:01,638 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-01-28 22:16:01,638 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-01-28 22:16:01,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-01-28 22:16:01,643 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-01-28 22:16:01,645 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-01-28 22:16:01,646 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-01-28 22:16:01,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-01-28 22:16:01,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-01-28 22:16:01,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-01-28 22:16:01,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-01-28 22:16:01,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-01-28 22:16:01,651 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-01-28 22:16:01,653 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-01-28 22:16:01,653 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-01-28 22:16:01,654 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-01-28 22:16:01,654 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-01-28 22:16:01,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-01-28 22:16:01,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-01-28 22:16:01,655 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
[2018-01-28 22:16:01,665 INFO L110 SettingsManager]: Loading preferences was successful
[2018-01-28 22:16:01,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-01-28 22:16:01,666 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-01-28 22:16:01,666 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-01-28 22:16:01,666 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-01-28 22:16:01,666 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-01-28 22:16:01,667 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-01-28 22:16:01,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-01-28 22:16:01,667 INFO L133 SettingsManager]: * sizeof long=4
[2018-01-28 22:16:01,668 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-01-28 22:16:01,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-01-28 22:16:01,668 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-01-28 22:16:01,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-01-28 22:16:01,669 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-01-28 22:16:01,669 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-01-28 22:16:01,669 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-01-28 22:16:01,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-01-28 22:16:01,669 INFO L133 SettingsManager]: * sizeof long double=12
[2018-01-28 22:16:01,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-01-28 22:16:01,670 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-01-28 22:16:01,670 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-01-28 22:16:01,670 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-01-28 22:16:01,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-01-28 22:16:01,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-01-28 22:16:01,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-01-28 22:16:01,671 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-01-28 22:16:01,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-01-28 22:16:01,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-01-28 22:16:01,671 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-01-28 22:16:01,672 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-01-28 22:16:01,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-01-28 22:16:01,672 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-01-28 22:16:01,673 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-01-28 22:16:01,673 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-01-28 22:16:01,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-01-28 22:16:01,721 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-01-28 22:16:01,725 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-01-28 22:16:01,727 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-01-28 22:16:01,728 INFO L276 PluginConnector]: CDTParser initialized
[2018-01-28 22:16:01,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero_false-valid-deref-write.c
[2018-01-28 22:16:01,857 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-01-28 22:16:01,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-01-28 22:16:01,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-01-28 22:16:01,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-01-28 22:16:01,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-01-28 22:16:01,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:16:01" (1/1) ...
[2018-01-28 22:16:01,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55515a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:01, skipping insertion in model container
[2018-01-28 22:16:01,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:16:01" (1/1) ...
[2018-01-28 22:16:01,892 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-28 22:16:01,911 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-01-28 22:16:02,021 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-28 22:16:02,035 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-01-28 22:16:02,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02 WrapperNode
[2018-01-28 22:16:02,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-01-28 22:16:02,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-01-28 22:16:02,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-01-28 22:16:02,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-01-28 22:16:02,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (1/1) ...
[2018-01-28 22:16:02,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-01-28 22:16:02,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-01-28 22:16:02,077 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-01-28 22:16:02,077 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-01-28 22:16:02,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (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
[2018-01-28 22:16:02,127 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-01-28 22:16:02,127 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-01-28 22:16:02,127 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2018-01-28 22:16:02,128 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure memset
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-01-28 22:16:02,128 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-01-28 22:16:02,200 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2018-01-28 22:16:02,254 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-01-28 22:16:02,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:16:02 BoogieIcfgContainer
[2018-01-28 22:16:02,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-01-28 22:16:02,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-01-28 22:16:02,255 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-01-28 22:16:02,258 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-01-28 22:16:02,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:16:01" (1/3) ...
[2018-01-28 22:16:02,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57db2547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:16:02, skipping insertion in model container
[2018-01-28 22:16:02,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:16:02" (2/3) ...
[2018-01-28 22:16:02,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57db2547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:16:02, skipping insertion in model container
[2018-01-28 22:16:02,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:16:02" (3/3) ...
[2018-01-28 22:16:02,261 INFO L107 eAbstractionObserver]: Analyzing ICFG memsetNonZero_false-valid-deref-write.c
[2018-01-28 22:16:02,267 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-01-28 22:16:02,273 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-01-28 22:16:02,316 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-01-28 22:16:02,316 INFO L323 AbstractCegarLoop]: Hoare is true
[2018-01-28 22:16:02,317 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-01-28 22:16:02,317 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-01-28 22:16:02,317 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-01-28 22:16:02,317 INFO L327 AbstractCegarLoop]: Difference is false
[2018-01-28 22:16:02,317 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-01-28 22:16:02,318 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-01-28 22:16:02,318 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-01-28 22:16:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states.
[2018-01-28 22:16:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-01-28 22:16:02,345 INFO L322 BasicCegarLoop]: Found error trace
[2018-01-28 22:16:02,346 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-28 22:16:02,347 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]===
[2018-01-28 22:16:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876918, now seen corresponding path program 1 times
[2018-01-28 22:16:02,354 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-28 22:16:02,355 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-28 22:16:02,404 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-28 22:16:02,404 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-28 22:16:02,404 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-28 22:16:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-01-28 22:16:02,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-01-28 22:16:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-01-28 22:16:02,513 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-01-28 22:16:02,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-01-28 22:16:02,515 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-01-28 22:16:02,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-01-28 22:16:02,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-01-28 22:16:02,528 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states.
[2018-01-28 22:16:02,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-01-28 22:16:02,582 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions.
[2018-01-28 22:16:02,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-01-28 22:16:02,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2018-01-28 22:16:02,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-01-28 22:16:02,593 INFO L225 Difference]: With dead ends: 26
[2018-01-28 22:16:02,593 INFO L226 Difference]: Without dead ends: 22
[2018-01-28 22:16:02,596 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
[2018-01-28 22:16:02,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2018-01-28 22:16:02,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2018-01-28 22:16:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2018-01-28 22:16:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions.
[2018-01-28 22:16:02,690 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8
[2018-01-28 22:16:02,691 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-01-28 22:16:02,691 INFO L432 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions.
[2018-01-28 22:16:02,691 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-01-28 22:16:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions.
[2018-01-28 22:16:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-01-28 22:16:02,691 INFO L322 BasicCegarLoop]: Found error trace
[2018-01-28 22:16:02,691 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-01-28 22:16:02,692 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolation, mainErr0RequiresViolation]===
[2018-01-28 22:16:02,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1964876917, now seen corresponding path program 1 times
[2018-01-28 22:16:02,692 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-01-28 22:16:02,692 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-01-28 22:16:02,693 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-28 22:16:02,694 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-01-28 22:16:02,694 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-01-28 22:16:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-28 22:16:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-01-28 22:16:02,743 INFO L389 BasicCegarLoop]: Counterexample might be feasible
[2018-01-28 22:16:02,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:16:02 BoogieIcfgContainer
[2018-01-28 22:16:02,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-01-28 22:16:02,759 INFO L168 Benchmark]: Toolchain (without parser) took 901.50 ms. Allocated memory was 305.7 MB in the beginning and 466.6 MB in the end (delta: 161.0 MB). Free memory was 266.5 MB in the beginning and 436.7 MB in the end (delta: -170.2 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,761 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 305.7 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.55 ms. Allocated memory is still 305.7 MB. Free memory was 265.5 MB in the beginning and 257.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,762 INFO L168 Benchmark]: Boogie Preprocessor took 34.46 ms. Allocated memory is still 305.7 MB. Free memory was 257.5 MB in the beginning and 256.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,762 INFO L168 Benchmark]: RCFGBuilder took 178.02 ms. Allocated memory is still 305.7 MB. Free memory was 256.5 MB in the beginning and 243.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,763 INFO L168 Benchmark]: TraceAbstraction took 502.97 ms. Allocated memory was 305.7 MB in the beginning and 466.6 MB in the end (delta: 161.0 MB). Free memory was 243.3 MB in the beginning and 436.7 MB in the end (delta: -193.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-01-28 22:16:02,766 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 305.7 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 176.55 ms. Allocated memory is still 305.7 MB. Free memory was 265.5 MB in the beginning and 257.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 34.46 ms. Allocated memory is still 305.7 MB. Free memory was 257.5 MB in the beginning and 256.5 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB.
* RCFGBuilder took 178.02 ms. Allocated memory is still 305.7 MB. Free memory was 256.5 MB in the beginning and 243.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 502.97 ms. Allocated memory was 305.7 MB in the beginning and 466.6 MB in the end (delta: 161.0 MB). Free memory was 243.3 MB in the beginning and 436.7 MB in the end (delta: -193.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: -1]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L26] FCALL struct ppp_comp_stats cstats ;
VAL [cstats={83:0}]
[L27] FCALL memset((void *)(& cstats), 10, 81UL)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 26 locations, 3 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 3 SDslu, 13 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-16-02-776.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-16-02-776.csv
Received shutdown request...