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 0.1.23-5f7ec6e [2018-01-31 08:27:03,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:27:03,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:27:03,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:27:03,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:27:03,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:27:03,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:27:03,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:27:03,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:27:03,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:27:03,961 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:27:03,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:27:03,963 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:27:03,964 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:27:03,965 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:27:03,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:27:03,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:27:03,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:27:03,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:27:03,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:27:03,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 08:27:03,981 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:27:03,982 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:27:03,982 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 08:27:03,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:27:03,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:27:03,993 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:27:03,993 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:27:03,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:27:03,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:27:03,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:27:03,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:27:03,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:27:03,995 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:27:03,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:27:03,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:27:03,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:27:03,996 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:27:03,996 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:27:03,996 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:27:03,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:27:03,997 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:27:03,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:27:03,997 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:27:03,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:27:03,997 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:27:03,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:27:03,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:27:03,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:27:03,998 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:27:03,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:27:03,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:27:03,999 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:27:03,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:27:03,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:27:03,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:27:04,000 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:27:04,000 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:27:04,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:27:04,058 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:27:04,061 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:27:04,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:27:04,063 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:27:04,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:27:04,250 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:27:04,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:27:04,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:27:04,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:27:04,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:27:04,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3833cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04, skipping insertion in model container [2018-01-31 08:27:04,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,295 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:27:04,351 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:27:04,527 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:27:04,545 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:27:04,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04 WrapperNode [2018-01-31 08:27:04,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:27:04,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:27:04,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:27:04,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:27:04,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... [2018-01-31 08:27:04,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:27:04,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:27:04,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:27:04,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:27:04,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:27:04,662 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:27:04,663 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:27:04,663 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemrchr [2018-01-31 08:27:04,663 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:27:04,663 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:27:04,663 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:27:04,663 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:27:04,663 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:27:04,664 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:27:04,664 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 08:27:04,668 INFO L128 BoogieDeclarations]: Found specification of procedure cmemrchr [2018-01-31 08:27:04,668 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:27:04,668 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:27:04,668 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:27:05,101 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:27:05,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:27:05 BoogieIcfgContainer [2018-01-31 08:27:05,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:27:05,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:27:05,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:27:05,107 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:27:05,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:27:04" (1/3) ... [2018-01-31 08:27:05,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63143cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:27:05, skipping insertion in model container [2018-01-31 08:27:05,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:04" (2/3) ... [2018-01-31 08:27:05,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63143cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:27:05, skipping insertion in model container [2018-01-31 08:27:05,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:27:05" (3/3) ... [2018-01-31 08:27:05,112 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:27:05,121 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:27:05,129 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 08:27:05,173 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:27:05,173 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:27:05,173 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:27:05,173 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:27:05,173 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:27:05,173 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:27:05,173 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:27:05,174 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:27:05,174 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:27:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-01-31 08:27:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-31 08:27:05,201 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:05,202 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:05,202 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:27:05,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1810541873, now seen corresponding path program 1 times [2018-01-31 08:27:05,210 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:05,211 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:05,269 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:05,270 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:05,270 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:05,368 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:05,800 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:05,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 08:27:05,803 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 08:27:05,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 08:27:05,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:27:05,820 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 8 states. [2018-01-31 08:27:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:06,379 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2018-01-31 08:27:06,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-31 08:27:06,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-01-31 08:27:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:06,391 INFO L225 Difference]: With dead ends: 72 [2018-01-31 08:27:06,391 INFO L226 Difference]: Without dead ends: 56 [2018-01-31 08:27:06,395 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-01-31 08:27:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-31 08:27:06,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-01-31 08:27:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-31 08:27:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2018-01-31 08:27:06,435 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 30 [2018-01-31 08:27:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:06,436 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2018-01-31 08:27:06,436 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 08:27:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2018-01-31 08:27:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-31 08:27:06,437 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:06,437 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:06,438 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:27:06,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1810541872, now seen corresponding path program 1 times [2018-01-31 08:27:06,439 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:06,439 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:06,440 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:06,440 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:06,440 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:06,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:07,115 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:07,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-31 08:27:07,148 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-31 08:27:07,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-31 08:27:07,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-01-31 08:27:07,149 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand 13 states. [2018-01-31 08:27:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:08,217 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2018-01-31 08:27:08,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-31 08:27:08,218 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-01-31 08:27:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:08,220 INFO L225 Difference]: With dead ends: 96 [2018-01-31 08:27:08,220 INFO L226 Difference]: Without dead ends: 86 [2018-01-31 08:27:08,221 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2018-01-31 08:27:08,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-01-31 08:27:08,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 57. [2018-01-31 08:27:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-31 08:27:08,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-01-31 08:27:08,231 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 30 [2018-01-31 08:27:08,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:08,232 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-01-31 08:27:08,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-31 08:27:08,232 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-01-31 08:27:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-31 08:27:08,233 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:08,233 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:08,233 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:27:08,234 INFO L82 PathProgramCache]: Analyzing trace with hash 2022063606, now seen corresponding path program 1 times [2018-01-31 08:27:08,234 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:08,234 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:08,235 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,235 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:08,235 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:08,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:08,364 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:08,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 08:27:08,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 08:27:08,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 08:27:08,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:27:08,365 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 4 states. [2018-01-31 08:27:08,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:08,449 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-01-31 08:27:08,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 08:27:08,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-01-31 08:27:08,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:08,450 INFO L225 Difference]: With dead ends: 57 [2018-01-31 08:27:08,450 INFO L226 Difference]: Without dead ends: 44 [2018-01-31 08:27:08,451 INFO L554 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 [2018-01-31 08:27:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-31 08:27:08,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-01-31 08:27:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-01-31 08:27:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-01-31 08:27:08,458 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 41 [2018-01-31 08:27:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:08,458 INFO L432 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-01-31 08:27:08,458 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 08:27:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-01-31 08:27:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-31 08:27:08,460 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:08,460 INFO L351 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] [2018-01-31 08:27:08,460 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:27:08,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2068738797, now seen corresponding path program 1 times [2018-01-31 08:27:08,460 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:08,461 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:08,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,462 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:08,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:08,487 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:08,953 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:27:08,953 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 [2018-01-31 08:27:08,959 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:09,005 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:27:09,108 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 [2018-01-31 08:27:09,110 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 08:27:09,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 08:27:09,156 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-01-31 08:27:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:09,711 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:27:09,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 28 [2018-01-31 08:27:09,712 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-01-31 08:27:09,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-01-31 08:27:09,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2018-01-31 08:27:09,712 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 29 states. [2018-01-31 08:27:10,620 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 43 DAG size of output 41 [2018-01-31 08:27:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:11,737 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2018-01-31 08:27:11,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-31 08:27:11,738 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 41 [2018-01-31 08:27:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:11,739 INFO L225 Difference]: With dead ends: 69 [2018-01-31 08:27:11,739 INFO L226 Difference]: Without dead ends: 68 [2018-01-31 08:27:11,741 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=349, Invalid=2303, Unknown=0, NotChecked=0, Total=2652 [2018-01-31 08:27:11,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-01-31 08:27:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2018-01-31 08:27:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-01-31 08:27:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2018-01-31 08:27:11,751 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 41 [2018-01-31 08:27:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:11,751 INFO L432 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2018-01-31 08:27:11,751 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-01-31 08:27:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-01-31 08:27:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-31 08:27:11,756 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:11,756 INFO L351 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] [2018-01-31 08:27:11,756 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cmemrchrErr0RequiresViolation, cmemrchrErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:27:11,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1730465549, now seen corresponding path program 2 times [2018-01-31 08:27:11,757 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:11,757 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:11,758 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:11,758 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:11,758 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:11,792 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:12,591 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:27:12,591 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 [2018-01-31 08:27:12,601 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-31 08:27:12,623 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 08:27:12,635 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 08:27:12,639 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-31 08:27:12,644 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:27:17,356 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:17,376 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:27:17,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2018-01-31 08:27:17,377 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-01-31 08:27:17,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-01-31 08:27:17,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2018-01-31 08:27:17,378 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 34 states. [2018-01-31 08:27:27,411 WARN L146 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 48 DAG size of output 32 [2018-01-31 08:27:27,557 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 80 DAG size of output 38 [2018-01-31 08:27:27,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:27,710 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-01-31 08:27:27,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-01-31 08:27:27,710 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 63 [2018-01-31 08:27:27,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:27,711 INFO L225 Difference]: With dead ends: 68 [2018-01-31 08:27:27,711 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:27:27,713 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=420, Invalid=2770, Unknown=2, NotChecked=0, Total=3192 [2018-01-31 08:27:27,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:27:27,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:27:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:27:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:27:27,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-01-31 08:27:27,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:27,714 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:27:27,714 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-01-31 08:27:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:27:27,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:27:27,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:27:28,373 WARN L146 SmtUtils]: Spent 548ms on a formula simplification. DAG size of input: 100 DAG size of output 61 [2018-01-31 08:27:28,524 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 25 DAG size of output 1 [2018-01-31 08:27:28,526 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 566) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point cmemrchrFINAL(lines 540 552) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point L546(lines 546 549) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-01-31 08:27:28,527 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L544'(lines 544 550) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L546'(lines 546 549) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point cmemrchrErr0RequiresViolation(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L547'''''''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point L540'(lines 540 552) no Hoare annotation was computed. [2018-01-31 08:27:28,528 INFO L399 ceAbstractionStarter]: For program point cmemrchrErr1RequiresViolation(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point cmemrchrEXIT(lines 540 552) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L402 ceAbstractionStarter]: At program point cmemrchrENTRY(lines 540 552) the Hoare annotation is: true [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,529 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|)))) [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L547''''''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L549''(line 549) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L547'''''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-01-31 08:27:28,529 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:28,530 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 566) the Hoare annotation is: true [2018-01-31 08:27:28,530 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,530 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 566) the Hoare annotation is: true [2018-01-31 08:27:28,530 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 566) no Hoare annotation was computed. [2018-01-31 08:27:28,531 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)|)) [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L556'(line 556) no Hoare annotation was computed. [2018-01-31 08:27:28,531 INFO L399 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L556''(line 556) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L557''(lines 557 559) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 553 566) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L560'(lines 560 562) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L557(lines 557 559) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 553 566) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-01-31 08:27:28,532 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-31 08:27:28,533 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-31 08:27:28,533 INFO L399 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-31 08:27:28,533 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 553 566) no Hoare annotation was computed. [2018-01-31 08:27:28,533 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 553 566) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:27:28,533 INFO L399 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-01-31 08:27:28,533 INFO L399 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-01-31 08:27:28,543 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,544 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,545 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,546 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,553 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,553 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,553 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,553 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:27:28 BoogieIcfgContainer [2018-01-31 08:27:28,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:27:28,557 INFO L168 Benchmark]: Toolchain (without parser) took 24306.36 ms. Allocated memory was 304.1 MB in the beginning and 562.6 MB in the end (delta: 258.5 MB). Free memory was 262.8 MB in the beginning and 461.0 MB in the end (delta: -198.2 MB). Peak memory consumption was 60.3 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:28,559 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:27:28,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.63 ms. Allocated memory is still 304.1 MB. Free memory was 262.8 MB in the beginning and 252.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:28,564 INFO L168 Benchmark]: Boogie Preprocessor took 40.63 ms. Allocated memory is still 304.1 MB. Free memory was 252.8 MB in the beginning and 250.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:28,565 INFO L168 Benchmark]: RCFGBuilder took 500.92 ms. Allocated memory is still 304.1 MB. Free memory was 250.8 MB in the beginning and 233.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:28,565 INFO L168 Benchmark]: TraceAbstraction took 23452.84 ms. Allocated memory was 304.1 MB in the beginning and 562.6 MB in the end (delta: 258.5 MB). Free memory was 233.8 MB in the beginning and 461.0 MB in the end (delta: -227.2 MB). Peak memory consumption was 31.3 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:28,567 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 299.63 ms. Allocated memory is still 304.1 MB. Free memory was 262.8 MB in the beginning and 252.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.63 ms. Allocated memory is still 304.1 MB. Free memory was 252.8 MB in the beginning and 250.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 500.92 ms. Allocated memory is still 304.1 MB. Free memory was 250.8 MB in the beginning and 233.8 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 23452.84 ms. Allocated memory was 304.1 MB in the beginning and 562.6 MB in the end (delta: 258.5 MB). Free memory was 233.8 MB in the beginning and 461.0 MB in the end (delta: -227.2 MB). Peak memory consumption was 31.3 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 [2018-01-31 08:27:28,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,579 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,579 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,579 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,579 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,579 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,582 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:28,584 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, 23.3s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 14.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 216 SDtfs, 559 SDslu, 1595 SDs, 0 SdLazy, 984 SolverSat, 77 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 79 SyntacticMatches, 3 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 14.6s 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, 380 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s 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-0-2018-01-31_08-27-28-590.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-0-2018-01-31_08-27-28-590.csv Received shutdown request...