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/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 22:43:02,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 22:43:02,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 22:43:02,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 22:43:02,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 22:43:02,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 22:43:02,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 22:43:02,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 22:43:02,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 22:43:02,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 22:43:02,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 22:43:02,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 22:43:02,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 22:43:02,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 22:43:02,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 22:43:02,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 22:43:02,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 22:43:02,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 22:43:02,057 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 22:43:02,058 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 22:43:02,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 22:43:02,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 22:43:02,066 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 22:43:02,067 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 22:43:02,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 22:43:02,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 22:43:02,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 22:43:02,076 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 22:43:02,077 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 22:43:02,077 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 22:43:02,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 22:43:02,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 22:43:02,078 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 22:43:02,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 22:43:02,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 22:43:02,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:43:02,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 22:43:02,080 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 22:43:02,080 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 22:43:02,080 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 22:43:02,081 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 22:43:02,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 22:43:02,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 22:43:02,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 22:43:02,082 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 22:43:02,082 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 22:43:02,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 22:43:02,126 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 22:43:02,130 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 22:43:02,131 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 22:43:02,132 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 22:43:02,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:43:02,289 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 22:43:02,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 22:43:02,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 22:43:02,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 22:43:02,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 22:43:02,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6f32fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02, skipping insertion in model container [2018-01-29 22:43:02,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,319 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:43:02,358 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:43:02,480 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:43:02,500 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:43:02,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02 WrapperNode [2018-01-29 22:43:02,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 22:43:02,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 22:43:02,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 22:43:02,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 22:43:02,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (1/1) ... [2018-01-29 22:43:02,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 22:43:02,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 22:43:02,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 22:43:02,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 22:43:02,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (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 22:43:02,587 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 22:43:02,587 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 22:43:02,587 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemrchr [2018-01-29 22:43:02,587 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 22:43:02,587 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 22:43:02,587 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 22:43:02,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure cmemrchr [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 22:43:02,588 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 22:43:02,589 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 22:43:02,768 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 22:43:02,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:43:02 BoogieIcfgContainer [2018-01-29 22:43:02,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 22:43:02,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 22:43:02,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 22:43:02,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 22:43:02,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:43:02" (1/3) ... [2018-01-29 22:43:02,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e7959b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:43:02, skipping insertion in model container [2018-01-29 22:43:02,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:43:02" (2/3) ... [2018-01-29 22:43:02,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e7959b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:43:02, skipping insertion in model container [2018-01-29 22:43:02,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:43:02" (3/3) ... [2018-01-29 22:43:02,774 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:43:02,781 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 22:43:02,787 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-29 22:43:02,833 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 22:43:02,833 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 22:43:02,833 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 22:43:02,833 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 22:43:02,833 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 22:43:02,834 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 22:43:02,834 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 22:43:02,834 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 22:43:02,835 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 22:43:02,853 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-01-29 22:43:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-29 22:43:02,860 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:43:02,861 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:43:02,861 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:43:02,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1810541873, now seen corresponding path program 1 times [2018-01-29 22:43:02,868 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:43:02,869 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:43:02,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:02,925 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:02,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:02,991 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:43:03,193 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 22:43:03,196 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:43:03,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-29 22:43:03,199 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-29 22:43:03,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-29 22:43:03,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:43:03,216 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 8 states. [2018-01-29 22:43:03,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:43:03,500 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2018-01-29 22:43:03,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-29 22:43:03,502 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-01-29 22:43:03,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:43:03,516 INFO L225 Difference]: With dead ends: 72 [2018-01-29 22:43:03,516 INFO L226 Difference]: Without dead ends: 56 [2018-01-29 22:43:03,520 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-01-29 22:43:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-29 22:43:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-01-29 22:43:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-29 22:43:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2018-01-29 22:43:03,557 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 30 [2018-01-29 22:43:03,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:43:03,557 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2018-01-29 22:43:03,557 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-29 22:43:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2018-01-29 22:43:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-29 22:43:03,558 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:43:03,558 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:43:03,558 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:43:03,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1810541872, now seen corresponding path program 1 times [2018-01-29 22:43:03,558 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:43:03,559 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:43:03,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:03,560 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:03,560 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:03,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:43:03,916 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 22:43:03,916 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:43:03,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-29 22:43:03,917 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-29 22:43:03,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-29 22:43:03,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-01-29 22:43:03,918 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 13 states. [2018-01-29 22:43:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:43:04,396 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2018-01-29 22:43:04,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-29 22:43:04,396 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-01-29 22:43:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:43:04,398 INFO L225 Difference]: With dead ends: 96 [2018-01-29 22:43:04,399 INFO L226 Difference]: Without dead ends: 86 [2018-01-29 22:43:04,400 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2018-01-29 22:43:04,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-01-29 22:43:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 57. [2018-01-29 22:43:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-29 22:43:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-01-29 22:43:04,410 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 30 [2018-01-29 22:43:04,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:43:04,411 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-01-29 22:43:04,411 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-29 22:43:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-01-29 22:43:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-29 22:43:04,412 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:43:04,413 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:43:04,413 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:43:04,413 INFO L82 PathProgramCache]: Analyzing trace with hash 2022063606, now seen corresponding path program 1 times [2018-01-29 22:43:04,413 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:43:04,413 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:43:04,415 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:04,415 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:04,415 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:04,439 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:43:04,514 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 22:43:04,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:43:04,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:43:04,515 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:43:04,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:43:04,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:43:04,515 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 4 states. [2018-01-29 22:43:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:43:04,557 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-01-29 22:43:04,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 22:43:04,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-01-29 22:43:04,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:43:04,558 INFO L225 Difference]: With dead ends: 57 [2018-01-29 22:43:04,558 INFO L226 Difference]: Without dead ends: 44 [2018-01-29 22:43:04,559 INFO L553 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 22:43:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-29 22:43:04,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-29 22:43:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-29 22:43:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-01-29 22:43:04,563 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 41 [2018-01-29 22:43:04,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:43:04,564 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-01-29 22:43:04,564 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:43:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-01-29 22:43:04,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-29 22:43:04,565 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:43:04,565 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:43:04,565 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:43:04,565 INFO L82 PathProgramCache]: Analyzing trace with hash -2068738797, now seen corresponding path program 1 times [2018-01-29 22:43:04,565 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:43:04,565 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:43:04,566 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:04,566 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:04,567 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:04,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:43:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:43:04,997 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:43:04,997 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:43:05,003 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:05,035 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:43:05,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-29 22:43:05,098 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-29 22:43:05,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-29 22:43:05,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-01-29 22:43:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:43:05,529 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:43:05,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 28 [2018-01-29 22:43:05,530 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-01-29 22:43:05,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-01-29 22:43:05,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2018-01-29 22:43:05,531 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 29 states. [2018-01-29 22:43:06,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:43:06,819 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2018-01-29 22:43:06,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-29 22:43:06,820 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 41 [2018-01-29 22:43:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:43:06,820 INFO L225 Difference]: With dead ends: 69 [2018-01-29 22:43:06,821 INFO L226 Difference]: Without dead ends: 68 [2018-01-29 22:43:06,822 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=349, Invalid=2303, Unknown=0, NotChecked=0, Total=2652 [2018-01-29 22:43:06,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-01-29 22:43:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2018-01-29 22:43:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-01-29 22:43:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2018-01-29 22:43:06,828 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 41 [2018-01-29 22:43:06,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:43:06,828 INFO L432 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2018-01-29 22:43:06,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-01-29 22:43:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-01-29 22:43:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-29 22:43:06,830 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:43:06,830 INFO L350 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:43:06,830 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:43:06,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1730465549, now seen corresponding path program 2 times [2018-01-29 22:43:06,830 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:43:06,831 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:43:06,831 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:06,831 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:43:06,831 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:43:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:43:06,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:43:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:43:07,390 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:43:07,390 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:43:07,395 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-29 22:43:07,410 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:43:07,418 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-29 22:43:07,422 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-29 22:43:07,426 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:43:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:43:10,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-29 22:43:10,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2018-01-29 22:43:10,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-29 22:43:10,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-29 22:43:10,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2018-01-29 22:43:10,484 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 34 states. [2018-01-29 22:43:14,824 WARN L146 SmtUtils]: Spent 2635ms on a formula simplification. DAG size of input: 48 DAG size of output 38 [2018-01-29 22:43:23,880 WARN L146 SmtUtils]: Spent 6994ms on a formula simplification. DAG size of input: 71 DAG size of output 43 [2018-01-29 22:43:24,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:43:24,201 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-01-29 22:43:24,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-01-29 22:43:24,201 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 63 [2018-01-29 22:43:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:43:24,202 INFO L225 Difference]: With dead ends: 68 [2018-01-29 22:43:24,202 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 22:43:24,203 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=421, Invalid=2771, Unknown=0, NotChecked=0, Total=3192 [2018-01-29 22:43:24,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 22:43:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 22:43:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 22:43:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 22:43:24,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-01-29 22:43:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:43:24,204 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 22:43:24,204 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-01-29 22:43:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 22:43:24,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 22:43:24,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 22:43:24,506 WARN L146 SmtUtils]: Spent 232ms on a formula simplification. DAG size of input: 106 DAG size of output 61 [2018-01-29 22:43:24,551 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,551 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 566) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point cmemrchrFINAL(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L546(lines 546 549) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,552 INFO L399 ceAbstractionStarter]: For program point L544'(lines 544 550) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L546'(lines 546 549) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point cmemrchrErr0RequiresViolation(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L547'''''''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L540'(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point cmemrchrErr1RequiresViolation(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point cmemrchrEXIT(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:43:24,553 INFO L402 ceAbstractionStarter]: At program point cmemrchrENTRY(lines 540 552) the Hoare annotation is: true [2018-01-29 22:43:24,553 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L395 ceAbstractionStarter]: At program point L546'''(lines 546 549) the Hoare annotation is: (let ((.cse6 (select |#length| cmemrchr_~s.base))) (let ((.cse0 (= 1 (select |#valid| cmemrchr_~s.base))) (.cse2 (select |#length| cmemrchr_~cp~2.base)) (.cse3 (= 1 (select |#valid| cmemrchr_~cp~2.base))) (.cse4 (= |cmemrchr_#in~n| .cse6)) (.cse5 (= cmemrchr_~s.offset 0))) (or (let ((.cse1 (+ cmemrchr_~cp~2.offset 1))) (and .cse0 (<= .cse1 .cse2) .cse3 (<= (+ (* 4294967296 (div cmemrchr_~n 4294967296)) 1) cmemrchr_~n) .cse4 (= .cse1 (mod (+ cmemrchr_~n 1) 4294967296)) (<= .cse2 2147483647) (<= 0 cmemrchr_~cp~2.offset) .cse5)) (< |cmemrchr_#in~n| 1) (and .cse0 (= cmemrchr_~n .cse6) .cse3 .cse4 (= cmemrchr_~cp~2.offset (mod cmemrchr_~n 4294967296)) (= cmemrchr_~n .cse2) .cse5) (not (= 0 |cmemrchr_#in~s.offset|)) (not (= |cmemrchr_#in~n| (select |#length| |cmemrchr_#in~s.base|))) (not (= 1 (select |#valid| |cmemrchr_#in~s.base|))) (let ((.cse8 (mod (+ cmemrchr_~n 2) 4294967296)) (.cse7 (+ cmemrchr_~cp~2.offset 2))) (and .cse0 (<= .cse7 .cse2) .cse3 (<= 1 cmemrchr_~cp~2.offset) (<= .cse8 2147483647) .cse4 .cse5 (= .cse8 .cse7))) (< 2147483647 |cmemrchr_#in~n|)))) [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point L547''''''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point L549''(line 549) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point L547'''''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 566) the Hoare annotation is: true [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 566) the Hoare annotation is: true [2018-01-29 22:43:24,554 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 566) no Hoare annotation was computed. [2018-01-29 22:43:24,554 INFO L395 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (and (<= 1 main_~n~5) (= (select |#length| main_~nondetArea~5.base) main_~n~5) (= main_~nondetArea~5.offset 0) (= (select |#length| |main_#t~malloc6.base|) main_~n~5) (<= main_~n~5 2147483647) (= 1 (select |#valid| |main_#t~malloc6.base|)) (= 1 (select |#valid| main_~nondetArea~5.base)) (= |main_#t~malloc6.offset| 0) (= (store |#valid| |main_#t~malloc6.base| 0) |old(#valid)|)) [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L556'(line 556) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L556''(line 556) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L557''(lines 557 559) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 553 566) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L560'(lines 560 562) no Hoare annotation was computed. [2018-01-29 22:43:24,555 INFO L399 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L557(lines 557 559) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 553 566) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 553 566) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 553 566) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-01-29 22:43:24,556 INFO L399 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-01-29 22:43:24,566 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,567 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,568 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,568 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,568 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,569 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,569 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,569 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,569 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,575 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,575 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,575 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,576 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,576 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,576 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,576 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,577 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,577 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:43:24 BoogieIcfgContainer [2018-01-29 22:43:24,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 22:43:24,581 INFO L168 Benchmark]: Toolchain (without parser) took 22290.71 ms. Allocated memory was 306.2 MB in the beginning and 562.0 MB in the end (delta: 255.9 MB). Free memory was 266.2 MB in the beginning and 439.9 MB in the end (delta: -173.7 MB). Peak memory consumption was 82.2 MB. Max. memory is 5.3 GB. [2018-01-29 22:43:24,582 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 22:43:24,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.00 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 255.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-29 22:43:24,583 INFO L168 Benchmark]: Boogie Preprocessor took 34.81 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 254.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-29 22:43:24,583 INFO L168 Benchmark]: RCFGBuilder took 224.71 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 236.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. [2018-01-29 22:43:24,584 INFO L168 Benchmark]: TraceAbstraction took 21810.51 ms. Allocated memory was 306.2 MB in the beginning and 562.0 MB in the end (delta: 255.9 MB). Free memory was 236.4 MB in the beginning and 439.9 MB in the end (delta: -203.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 5.3 GB. [2018-01-29 22:43:24,586 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 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 213.00 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 255.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.81 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 254.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 224.71 ms. Allocated memory is still 306.2 MB. Free memory was 253.0 MB in the beginning and 236.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 21810.51 ms. Allocated memory was 306.2 MB in the beginning and 562.0 MB in the end (delta: 255.9 MB). Free memory was 236.4 MB in the beginning and 439.9 MB in the end (delta: -203.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 546]: Loop Invariant [2018-01-29 22:43:24,592 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,592 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,592 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,593 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,595 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,595 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,595 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:43:24,596 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((((1 == \valid[s] && cp + 1 <= unknown-#length-unknown[cp]) && 1 == \valid[cp]) && 4294967296 * (n / 4294967296) + 1 <= n) && \old(n) == unknown-#length-unknown[s]) && cp + 1 == (n + 1) % 4294967296) && unknown-#length-unknown[cp] <= 2147483647) && 0 <= cp) && s == 0) || \old(n) < 1) || ((((((1 == \valid[s] && n == unknown-#length-unknown[s]) && 1 == \valid[cp]) && \old(n) == unknown-#length-unknown[s]) && cp == n % 4294967296) && n == unknown-#length-unknown[cp]) && s == 0)) || !(0 == s)) || !(\old(n) == unknown-#length-unknown[s])) || !(1 == \valid[s])) || (((((((1 == \valid[s] && cp + 2 <= unknown-#length-unknown[cp]) && 1 == \valid[cp]) && 1 <= cp) && (n + 2) % 4294967296 <= 2147483647) && \old(n) == unknown-#length-unknown[s]) && s == 0) && (n + 2) % 4294967296 == cp + 2)) || 2147483647 < \old(n) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 57 locations, 3 error locations. SAFE Result, 21.7s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 15.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 216 SDtfs, 560 SDslu, 1596 SDs, 0 SdLazy, 983 SolverSat, 76 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 79 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=4, 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, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 204 HoareAnnotationTreeSize, 7 FomulaSimplifications, 189 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 389 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 302 ConstructedInterpolants, 5 QuantifiedInterpolants, 184843 SizeOfPredicates, 26 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 16/98 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/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-43-24-600.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-43-24-600.csv Received shutdown request...